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Nexus 7 could be heat issues???

My Nexus 7 gets hot!!! Playing none intense games, searching the web, charging and watching a YouTube video. Could this be hurting the device??? It's 86 degrees here where I'm from and 75 in my house. I now charge via Mac because the charger gets so hot!!! Now, I love my Nexus 7 and thank GOD my only issue is a skeptical one. So, I have a iPad 1 2 and 3 the iPad 3 gets kinda hot during intense hourly gameplay and that's it, this seams to not be able to handle the smallest task without getting hot, could it be the plastic back or maybe its okay and I'm just a little uptight about my gadgets???
Sent from my Nexus 7 using xda premium

Making the processor work hard generates heat! This is normal, the longer you do it the hotter it will get. Unlike laptops there is no cooling fan.
Don't worry the processor can still run safely upto temperatures where you couldn't be holding it but that's not likely to happen (unless you're hyper sensitive)

We avg 80°F indoors here. Yesterday was a warm 111°F outside...
Devices can get hot, not normally be big deal. My Rezound gets up around 115°F on a regular basis.
Sent from my Nexus 7

Your probably a little uptight with your toys. When electronics do work that's what happens.
Just like computers if your device is getting to hot it should just shut off
Sent from my Nexus 7 using Tapatalk 2

Okay thanks for the response. Now I feel a lot better, it's not a real issue just a could be...thanks!
Sent from my Nexus 7 using xda premium

If you're also charging and using the tablet at the same time, it'll also become really hot as well. Source: My Galaxy Nexus, EVO 3D, SGS2 all did the same thing.

chlehqls said:
If you're also charging and using the tablet at the same time, it'll also become really hot as well. Source: My Galaxy Nexus, EVO 3D, SGS2 all did the same thing.
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Yeah, thanks, but I'm not doing that. Intact, I never do that and it still gets hot with normal use.
Sent from my Nexus 7 using xda premium

my nexus 7 was acting weird and was also getting really hot, my unit was lagging like crazy too, so i returned my unit and now am trying to find 16gb unit somewhere around here.

I have noticed that my replacement Nexus (with no screen lift) doesn't seem to get as hot as my first.

from case?
How many of you that think your N7 is running too hot.....have a case of some sort on it?
Some of the cases look like they would trap heat. I am a little surprised not to see some sort of case like a folio type that has breathing cut out sections to help dissipate heat when using for gaming and other heat producing use types.

RR215 said:
How many of you that think your N7 is running too hot.....have a case of some sort on it?
Some of the cases look like they would trap heat. I am a little surprised not to see some sort of case like a folio type that has breathing cut out sections to help dissipate heat when using for gaming and other heat producing use types.
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Click to collapse
But I thought that the rubber back would somewhat take a cases place. Anyway, I would never put a case on this.
Sent from my Nexus 7 using xda premium

I've been using mine for the last hour plus, and I wouldn't even say that it is warm, let alone hot.

Only intense gaming would make it warmer where as for regular use it would run fine. Even when it gets warm it doesn't get warm up to worrying degrees / level.
Sent from my Nexus 7 using xda premium

The back left of mine gets pretty warm. Worryingly so. Just watching YouTube does it.

Don't these things have heat sensors built in that will make the device handle itself if it gets too hot? Usually computer components can get pretty dang hot before having problems, too.

I won't use a case... but if it comes down to it, I might modify one that's open around the area that gets warm.
And using ANYTHING other than the Nexus 7 charger will take forever. You're lucky to get .5amp out of a Mac socket whereas the factory charger is 2amp.

Or maybe these things were built for the winter and not the summer. It does not feel good in the hand because the heat from normal task makes my hands sweat. Maybe it's because it's so slim and the chip inside is so powerful? Still, I don't like it.
Sent from my Nexus S using xda premium

jalyn02 said:
Or maybe these things were built for the winter and not the summer. It does not feel good in the hand because the heat from normal task makes my hands sweat. Maybe it's because it's so slim and the chip inside is so powerful? Still, I don't like it.
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Heat is a subjective thing... it was 94° here in western NY yesterday and I was showing off the Tegra 3 by playing Dark Meadow: The Pact. The back was a little warm, but nothing I would consider uncomfortable.

sRDennyCrane said:
Heat is a subjective thing... it was 94° here in western NY yesterday and I was showing off the Tegra 3 by playing Dark Meadow: The Pact. The back was a little warm, but nothing I would consider uncomfortable.
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No dude! This baby gets uncomfortably hot just doing normal task. I remember when the iPad 3 got bad press for playing highly intensive games and getting a little hot, my Nexus 7 gets hot during normal task.
Sent from my Nexus S using xda premium

I'm starting to think it's because of the plastic back cover. See, if it was metal then the aluminum would play as a heat sink, but for 200$ I guess this is what you get?
Sent from my Nexus S using xda premium

overheating issue?

My phone gets pretty hot when gaming. Does this happen to anyone else?

Your phone has a quad core processor and brilliant screen inside of an all metal body. Of course its going to get hot. Other phones(my old gs3 for example ) get just as hot. You just don't notice it due to the plastic body.
Sent from my HTCONE using xda app-developers app

acme64 said:
My phone gets pretty hot when gaming. Does this happen to anyone else?
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Metal is a better conductor of heat than most other phones (various types of glass and plastics). It will feel warmer, even at the same temperature.
The plus side of it feeling warmer is that, ironically, the internals should be cooler, all things equal.

Well does your pc get hot while gaming ? Does the Xbox or ps3 yup so safe to assume heavy gpu tasked games will make it hot . Try to not be charging at the same time . Remember no removal of the battery so when it gets to hot we have little recourse to cool the AC works though lol
HTC-DNA,HTC-ONE,s3x2,s4-i9500

I've never had a metal phone before. Didn't even occur to me the frame would be the heatsink as well. I can breathe easier now thanks
Sent from my HTCONE using Tapatalk 2

Overheating?

After an hour of use, I notice the chromecast dongle is very hot to the touch. I'm concern that it might get too hot and get damaged. Also on a side note, is it safe to leave it plug to my TV 24/7?

Should be safe to leave it in. Also noticed it get way hot...

utstudent said:
After an hour of use, I notice the chromecast dongle is very hot to the touch. I'm concern that it might get too hot and get damaged. Also on a side note, is it safe to leave it plug to my TV 24/7?
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Click to collapse
Wondering the same. I have been unplugging mine when not in use, but I don't want to have to be plugging and unplugging it. I'd rather leave it alone and just change video inputs when I'm ready to use.
Sent from my Nexus 4 using Tapatalk 2

Yea I noticed the heat too but seems be fine when not in use

test
i have test..it's working..

On the package it warns that it is normal for it to get very hot. Anyway, there is a huge heat sink inside to get the heat anyway from the components. Just don't touch it.

I actually just posted a new topic regarding this. I believe my chromecast overheating resulted in some very bad thngs. First i noticed that it would not output any video. So i unplugged it from my tv, it was very hot. I then unplugged the usb and plugged it back in. At this time it just sat on the white light. I attempted to factory reset it by holding down the button for 25 seconds. Still nothing. I got an RMA for it from google, but im still concerned that i was using it very sparingly, and it still overheated in such a way that it damaged the Chromecast. Though after leaving it unplugged for about 6 hours it worked again in the am. Though when trying it again when i came home from work it was doing the same thing, and still has for the last 3 days even with being unplugged for 12+ hours.

I had a USB WiFi PC dongle that was getting this hot more or less. It lasted a few weeks than it started having problems until it died. I know we can't compare devices by how much they get warm, but still I believe heating will be an issue for this first version of CC.

I also feel it is too hot. I unplug mine while not in use.

The engineers planned on them running hot. How hot is yours? Have you checked with a thermometer?
Sent from my SCH-I535 using Tapatalk 4

I've used mine quite a bit since I got it last week but haven't touched it. I plugged it in and walked away on both my TVs (I bought 2 of them). I read many places that the device getting hot is normal. Assuming it continues to work as intended with the heat, I'm not worried about it. My only concern is if the heat will damage the HDMI port on my TV but even then you'd be surprised how much tolerance devices have for heat and what kind of tests they are subjected to before they are released.

I wonder if the heat would disipate more if ine used the hdmi extension that comes with it and move the chromecast away from the tv a little?

Mine gets fairly hot. It's not scalding hot, but it gets pretty warm, even when not streaming content. Should it cool down when it is just sitting at the ready to cast screen? I unplug mine when not in use.

evelbug said:
I wonder if the heat would disipate more if ine used the hdmi extension that comes with it and move the chromecast away from the tv a little?
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The heat doesn't come the from TV, so no.
Test it. Pull it out of the TV. It remains just as toasty.

adrynalyne said:
The heat doesn't come the from TV, so no.
Test it. Pull it out of the TV. It remains just as toasty.
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The added distance between the Chromecast and the TV likely would reduce the operating temperature, as the extra space will allow for increased convective transfer. Not massively, but not immeasurably, either.

apraetor said:
The added distance between the Chromecast and the TV likely would reduce the operating temperature, as the extra space will allow for increased convective transfer. Not massively, but not immeasurably, either.
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Yes, and depending on the design of the TV (location of the ports) and environment (tight enclosure, etc), the TV can add heat to surrounding devices.

It draws about the same power under load, around 4w, as a wifi dongle. And not getting hotter than these. Idle current is around 2w, this is quite a lot, and the thing staying quite warm all the time, so I wouldn't use the power supply.
Edit: Sorry, 0.2 & 0.4 Ampere, 1 & 2 Watts.

bhiga said:
Yes, and depending on the design of the TV (location of the ports) and environment (tight enclosure, etc), the TV can add heat to surrounding devices.
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Not to mention the TV heats up the air AROUND the CCast which is less capable of taking on more heat than it would in air that was Room Temp.
Heat goes to Cold and if there is no Cold... Heat stays right where it is! LOL

Asphyx said:
Not to mention the TV heats up the air AROUND the CCast which is less capable of taking on more heat than it would in air that was Room Temp.
Heat goes to Cold and if there is no Cold... Heat stays right where it is! LOL
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Newton's Law of Cooling, the rate of heat transfer from a hot object to its environment is exponentially proportional to the difference in temperature. Bigger the temp. gradient, the faster the heat loss. Same reason blowing on hot soup cools it much faster; you're minimizing the boundary layer effects. The Chromecast might feel very hot, but given the form-factor it was probably built with that in mind. By designing it to run much hotter than ambient conditions it can take advantage of the increased rate of cooling, thus dispersing heat more effectively. It would require exponentially more surface area to disperse the same amount of heat at a lower operating temperature.
---------- Post added at 05:05 PM ---------- Previous post was at 04:59 PM ----------
lecorbusier said:
It draws about the same power under load, around 4w, as a wifi dongle. And not getting hotter than these. Idle current is around 2w, this is quite a lot, and the thing staying quite warm all the time, so I wouldn't use the power supply.
Edit: Sorry, 0.2 & 0.4 Ampere, 1 & 2 Watts.
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Click to collapse
The maximum transmitted RF power permitted, assuming the lowest-gain antenna (good approximation for Chromecast) is 1 Watt. I don't know how the Chromecast handles WiFi continuity, but a good chunk of the power you are measuring is likely going to the transceiver.

apraetor said:
Newton's Law of Cooling, the rate of heat transfer from a hot object to its environment is exponentially proportional to the difference in temperature. Bigger the temp. gradient, the faster the heat loss. Same reason blowing on hot soup cools it much faster; you're minimizing the boundary layer effects. The Chromecast might feel very hot, but given the form-factor it was probably built with that in mind. By designing it to run much hotter than ambient conditions it can take advantage of the increased rate of cooling, thus dispersing heat more effectively. It would require exponentially more surface area to disperse the same amount of heat at a lower operating temperature.
---------- Post added at 05:05 PM ---------- Previous post was at 04:59 PM ----------
The maximum transmitted RF power permitted, assuming the lowest-gain antenna (good approximation for Chromecast) is 1 Watt. I don't know how the Chromecast handles WiFi continuity, but a good chunk of the power you are measuring is likely going to the transceiver.
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One of the main purposes of the Extender along with Getting away from TV interference and Hard to plug into HDMI ports is to get the CCast further away from the TV where the environment (air) is cooler because it is not being heated up by the TV.

Keep phone cool while charging (wireless/wired)

Hey everyone. I'm new to the Nexus 5 community, got my phone a week ago and so far it feels like ive had it for ever. Great device and so worth my limited money.
Anyways. I have been doing these methods on all my phones and so far i haven't seen anyone else trying this.
1. Speed cool your phone
If you have a heat sink from an old pc laying around (unless its one of those huge gaming computer heat sinks) it can now have a purpose again. If your phone gets hot, simply put the heatsink copper side up and put your phone on it. about 2 minutes later your phone should be as cool as it can get without using a freezer.
2. Keep phone cool while wireless charging.
I got a wireless charger recently, and sometimes the phone doesn't get hot at all, and other times it gets VERY hot (about 115 degrees F). So instead of finding the 'perfect' position for my phone to stay cool, i found that using simple cup stands or what ever they are called, helps.
You know those things at restaurants that you put your cup on? those things. For best effect, use 2 or 3 of these, put them under your phone while your phone is on the wireless charger. I think it helps because the cardboard isn't very dense and absorbs and quickly lets off most of the heat and my phone never got over 101 degrees F yet.
3. The first method can also be used while charging your phone though a wire.
Sometimes i want to watch a movie or something while charging my phone on a wire, i simply put it ontop of the heatsink and watch the movie. Might be a bit uncomfortable, so try to found a way for it to be comfortable.
Hope this helps anyone, im still working on a way to make a home made (thin) heat sink for wireless charging.

heat sink testing
So far ive built the heatsink, its about 6 - 7 mm thick using those cardboard cup stand things mentioned above, coper wire, and silicone, and some superglue. i thought tape (specifically the adhesive) would melt under heat.
So far, i have charged my phone all the way up from 20%, temeprature hit 118 degrees F (note this is wireless charging).
Currently testing the heat sink. Charging it up from 85 %. So far at 92% and max temperature is 97F but has gone down to 96F. The heat sink is pretty warm compared to the phone (the phone is actually quite cool).
If you would like to mess around with the design this is how i built it.
Took one cardboard cup plate and put a copper coil on it. I just took about 10 inches of copper wire (thin kind) and made it into a wide coil (ill post pictures later), and then hammered it to be more or less flat. Put small amounts of superglue to hold it in place. Took the second cardboard plate, and put it on top. Used silicone to seal the edge to hold. Also add some super glue to the top of the coil to glue it to the top cardboard piece.
Simply put the heatsink under the phone while wireless charging.

Pictures of heatsink
Here are the pictures.
Ill post screenshots later of the test.

I do the same thing for wireless charging. Instead of making one, I bought a set of ceramic/porcelain/granite (I don't really know) coasters. I used one coaster for wireless charging, and four more under my laptop for when it is on the counter or table (keeps it cool and above any drinks that may spill).

upndwn4par said:
I do the same thing for wireless charging. Instead of making one, I bought a set of ceramic/porcelain/granite (I don't really know) coasters. I used one coaster for wireless charging, and four more under my laptop for when it is on the counter or table (keeps it cool and above any drinks that may spill).
Click to expand...
Click to collapse
link to the materials? Sounds like good idea.
I have this huge granite/porcelain slab my mom uses to beak bread. i wish it wasn't a 2 foot x 2 foot size, maybe i could have used that instead.
ALSO
so far the temperatures would go up to about 99F and then go back down to around 96...i think what happens is the phone heats up, then the heatsink takes the heat, and cools down while the phone heats up again...cycle

russian392 said:
link to the materials? Sounds like good idea.
I have this huge granite/porcelain slab my mom uses to beak bread. i wish it wasn't a 2 foot x 2 foot size, maybe i could have used that instead.
ALSO
so far the temperatures would go up to about 99F and then go back down to around 96...i think what happens is the phone heats up, then the heatsink takes the heat, and cools down while the phone heats up again...cycle
Click to expand...
Click to collapse
As I mentioned, I am not exactly sure what the material is. My guess is ceramic. I had the idea when I saw them in a store.
You can find them just about anywhere, and decorated any way you like (mine are plain). Link to Amazon
The granite slab you mentioned should work just fine. I never precisely monitored the temperature, but I know its a lot cooler.

upndwn4par said:
As I mentioned, I am not exactly sure what the material is. My guess is ceramic. I had the idea when I saw them in a store.
You can find them just about anywhere, and decorated any way you like (mine are plain). Link to Amazon
The granite slab you mentioned should work just fine. I never precisely monitored the temperature, but I know its a lot cooler.
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Haha like I said that slab is huge for an oven made to bake on. So if I had something to cut me a slice I would.
I was just sitting at my PC and I saw the little cardboard things and though why not try it. I tried with two and it seemed to work okay-ish so like I used my copper heat sink I thought of putting copper in between. Took me 5 minutes to make.
But I'll definitely give the porcelain a try.
Sent from my Nexus 5 using XDA Premium 4 mobile app

I don't recommend putting anything between the phone and the wireless charger, increased distance means less power into the phone and more wasted into the air. Also I don't think the plastic case of the phone will interface well with a metal heatsink but I admire your tenacity.
Maybe log your temps with and without and compare, though you would have to adjust values for ambient room temps otherwise a warmer day could throw off all your results.

bblzd said:
I don't recommend putting anything between the phone and the wireless charger, increased distance means less power into the phone and more wasted into the air. Also I don't think the plastic case of the phone will interface well with a metal heatsink but I admire your tenacity.
Maybe log your temps with and without and compare, though you would have to adjust values for ambient room temps otherwise a warmer day could throw off all your results.
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Click to collapse
Yeah I noticed it takes a bit longer to charge but wireless charging is never actually fast as cord charging. I get about 1% ever minute with screen off and 1% every 2 minutes with screen on.
Sent from my Nexus 5 using XDA Premium 4 mobile app

Also I think its worth a try, maybe someone can come up with something more effective.
Sent from my Nexus 5 using XDA Premium 4 mobile app

just out of curiosity, completely. whats the point of this? heat is normal, especially while charging, and does not hurt the device. for the fun of it, i reach cpu temp shutdown purposefully all the time(105C), on all my devices, for years. heat has never ever caused any kind of damage to any of my devices. as the safety temps for battery and cpu shutdown are actually below the temps that our devices can handle before it can cause any damage.

simms22 said:
just out of curiosity, completely. whats the point of this? heat is normal, especially while charging, and does not hurt the device. for the fun of it, i reach cpu temp shutdown purposefully all the time(105C), on all my devices, for years. heat has never ever caused any kind of damage to any of my devices. as the safety temps for battery and cpu shutdown are actually below the temps that our devices can handle before it can cause any damage.
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Well looks like I have the exact opposite experience than you. All the phones I've had eventually had degraded battery's because of over heating. I had phones that would last 4 hours on an old battery and 12 on a new one. And that's just from gaming and such. Now charging is pretty much directly heating a battery. Also some people don't like picking up a piece if lava.
If you think its pointless then don't do it.
Sent from my Nexus 5 using XDA Premium 4 mobile app

russian392 said:
Well looks like I have the exact opposite experience than you. All the phones I've had eventually had degraded battery's because of over heating. I had phones that would last 4 hours on an old battery and 12 on a new one. And that's just from gaming and such. Now charging is pretty much directly heating a battery. Also some people don't like picking up a piece if lava.
If you think its pointless then don't do it.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Battery degradation occurs on all Li-ion batteries. Heat has very little effect on the overall lifespan of the battery. You can expect about a 30% loss in capacity every year no matter your usage patterns.

russian392 said:
Well looks like I have the exact opposite experience than you. All the phones I've had eventually had degraded battery's because of over heating. I had phones that would last 4 hours on an old battery and 12 on a new one. And that's just from gaming and such. Now charging is pretty much directly heating a battery. Also some people don't like picking up a piece if lava.
If you think its pointless then don't do it.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
im not planning on it. as i said the very first thing, out of curiosity.
now degraded batteries that early can happen, but its mostly because of manufacturing defects. the chances of that happening more than once in a row is fairly low. but you said multiple times. which leads me to believe that theres either something wrong with your phone physically, or maybe you are doing something wrong. as i said, on my g1(s), ion, og droid, nexus one, nexus s, galaxy nexus, nexus 4, nexus 7, and nexus 7, ive never had any issues because of heat or because of battery. i do all the testing for trinity kernel, while testing i try to "break" the kernel. part of that testing is keeping the temps right under the thermal shutdown temp for long periods of time. i have yet to see any kind of damage because of this(except for me "breaking" any test kernels).

raptir said:
Battery degradation occurs on all Li-ion batteries. Heat has very little effect on the overall lifespan of the battery. You can expect about a 30% loss in capacity every year no matter your usage patterns.
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True that too. But there is enough research to support that heat does slowly degrade the battery.
Sent from my Nexus 5 using XDA Premium 4 mobile app

simms22 said:
im not planning on it. as i said the very first thing, out of curiosity.
now degraded batteries that early can happen, but its mostly because of manufacturing defects. the chances of that happening more than once in a row is fairly low. but you said multiple times. which leads me to believe that theres either something wrong with your phone physically, or maybe you are doing something wrong. as i said, on my g1(s), ion, og droid, nexus one, nexus s, galaxy nexus, nexus 4, nexus 7, and nexus 7, ive never had any issues because of heat or because of battery. i do all the testing for trinity kernel, while testing i try to "break" the kernel. part of that testing is keeping the temps right under the thermal shutdown temp for long periods of time. i have yet to see any kind of damage because of this(except for me "breaking" any test kernels).
Click to expand...
Click to collapse
Interesting. But I'll stay on the safe side.
Sent from my Nexus 5 using XDA Premium 4 mobile app

russian392 said:
Interesting. But I'll stay on the safe side.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
cool.
as everything is different depending on everyone else's experiences in life.. most important is that you are satisfied by doing it

simms22 said:
cool.
as everything is different depending on everyone else's experiences in life.. most important is that you are satisfied by doing it
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You can say that again ?
Also...I notice that charging the phone bellow 80% (like even if I start charging at 75%) temps get to about 103° with my heat sink. But when it goes over 80% it starts to cool down. Still doing lots of testing and logging though.
Edit:
Here is something to read
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Sent from my Nexus 5 using XDA Premium 4 mobile app

russian392 said:
You can say that again ?
Also...I notice that charging the phone bellow 80% (like even if I start charging at 75%) temps get to about 103° with my heat sink. But when it goes over 80% it starts to cool down. Still doing lots of testing and logging though.
Edit:
Here is something to read
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
yea, it charges "faster" before 80%, then slows down. then slows down again around 92%. oh, and that article is outdated. our batteries are a newer tech than when that article was written(2010).

Using a Wireless charger doesn't generate that much heat lol.
I don't use my device while charging it either.

any physical thermal mods?

I was able to get crazy good benchmarks with the phone over the AC vent. So we obviously have a physical thermal issue. I have replaced the battery 3 times twice on my wife's mi mix. So I am wondering if anyone has tried to do anything.

I had planned to use slim copper shims with some premium thermal paste but never got around to it. The thermal pad/rubber on the sd821 looks like crap.

I don't get any perfomance improvement using copper shim, also complicated to install it correctly. At some point i got ghosting image on the lcd. Because it's little bit to thick.
Different height between cpu and pmic.
I'm planning to change it with some premium thermal pads. I'm sure it will be enough, because we don't talk about a 100W processor.

What kind of temps are you getting?

kevin168 said:
I don't get any perfomance improvement using copper shim, also complicated to install it correctly. At some point i got ghosting image on the lcd. Because it's little bit to thick.
Different height between cpu and pmic.
I'm planning to change it with some premium thermal pads. I'm sure it will be enough, because we don't talk about a 100W processor.
Click to expand...
Click to collapse
Thank you for sharing! So we can skip the copper shim. What about a copper back replacement? Like make an AutoCAD of the back plate and have it CnC'd online?
I know it sound like I'm putting too much effort but I love to tinker with things.

reID.entify said:
What kind of temps are you getting?
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Using miui nougat version + psychedelic kernel 0.7
Downclocked maximum cpu and gpu core.
Around 72-80c, while playing games like pubg.
I removed thermal control files also.
When normal use like browsing,chat,youtube.
It's just around 38-45c, phone is cooling down faster in my experience.
I'm living in a tropical country, my room temperature is ussually more than 30c.

This phone is a giant oven. If i install MIUI Stock just can B used to griddle Girl's Hair. So, a good 1 is adding thermal paste to the CPU CHIP directly, a good one. When i change the Battery i'll do it.
How much american dollars will cost?