Battery won't charge when using navigation

[msoprano13]

I don't get it. When I drive and use navigation my battery drains even though I have it charging and the battery has the little charging icon. I've tried both the usb port in my car and the car charger.

My original evo would be 100 percent charged after driving for hours with navigation and music and calls.

Any ideas. This could make me return the phone. I rely heavily on this.

 

[trunkmonkey1972]

What is the charge behavior in the car when nav is not running? Playing music? Doing nothing but still turned on?

 

[msoprano13]

It would usually charge.

 

[trunkmonkey1972]

It would usually charge.

Apparently it is using more than it's getting, to state the obvious. USB is generally a weak charge. Check the mA output of the 12v charger and see if you can find a bigger one. Also try repositioning phone in car for maximum GPS and network signal strength. Try powersave, turn off sync, etc - the usual battery saver stuff. I think what you're seeing is normal given the CPU load and GPS and screen on constantly. Let us know how it goes as this will be common scenario.

 

[camiller]

Are you using the same cable as you used with the EVO?

Also be aware that if the charger supports Apple devices your GS3 may not see it as a full power charger but rather a 500mA charger, regardless of what the rating of the charger says. Some good discussion here: http://forums.androidcentral.com/samsung-galaxy-s-iii/195415-max-safe-amps-car-charger-us.html

 

[msoprano13]

I am using the same charger that came with the original evo. I will try the battery saver stuff but I would like to avoid doing all that stuff.

Is there a better charger that i could use?

I also can't see the S3 drawing that much more power then the evo.

 

[anon(156377)]

Samsung phones only fast charge if you use a charge-only cable OR charger. This means grounding pin 2 and 3. I can't find a change only cable so I bought an USB adapter that grounds the pins for my Note. Otherwise your phone will only receive 500mA. This has been covered in the Note section on here and XDA. I will get you a link to the adapter later. If my Note charges with the screen on during navigation, the SGIII will too.

EDIT: http://www.satechi.net/index.php/cell-phone-accessories/chargers/smart-adapter-compatible-with-samsung-galaxy-s-usb-usb-adapter

 

[msoprano13]

Samsung phones only fast charge if you use a charge-only cable OR charger. This means grounding pin 2 and 3. I can't find a change only cable so I bought an USB adapter that grounds the pins for my Note. Otherwise your phone will only receive 500mA. This has been covered in the Note section on here and XDA. I will get you a link to the adapter later. If my Note charges with the screen on during navigation, the SGIII will too.

Thanks I will be looking out for it

 

[trunkmonkey1972]

Would this apply to both USB port and 12v charging? I wonder if my Palm Pre 12v charger would do fast charge. It was the 'official' one from Sprint store. Is there a way to tell?

 

[anon(156377)]

Would this apply to both USB port and 12v charging? I wonder if my Palm Pre 12v charger would do fast charge. It was the 'official' one from Sprint store. Is there a way to tell?

Not really that I know of . I know Samsung wall chargers are internally shorted, not the cable itself.

 

[sparksd]

Samsung phones only fast charge if you use a charge-only cable OR charger. This means grounding pin 2 and 3. I can't find a change only cable so I bought an USB adapter that grounds the pins for my Note. Otherwise your phone will only receive 500mA. This has been covered in the Note section on here and XDA. I will get you a link to the adapter later. If my Note charges with the screen on during navigation, the SGIII will too.

A charge-only cable:

Amazon.com: Naztech Micro USB Charging Cable - BlackBerry, Cal-Comp, HTC, LG, Samsung, Nokia, and Sony Ericsson: Cell Phones & Accessories

Dave

 

[sparksd]

Would this apply to both USB port and 12v charging? I wonder if my Palm Pre 12v charger would do fast charge. It was the 'official' one from Sprint store. Is there a way to tell?

If you look at Settings > Battery when charging, it will say "Charging (AC)" or "Charging (USB)". What is not clear to me is if the (USB) indication comes from measured power draw or recognition that the phone has a USB connection to a data source. Take a look at this when connected to your car charger.

Dave

 

[anon(156377)]

Here is the adapter: https://forums.androidcentral.com/e...msung-galaxy-s-usb-usb-adapter&token=d2ikOicU

 

[sparksd]

If you look at Settings > Battery when charging, it will say "Charging (AC)" or "Charging (USB)". What is not clear to me is if the (USB) indication comes from measured power draw or recognition that the phone has a USB connection to a data source. Take a look at this when connected to your car charger.

Dave

Just to follow up: I tried a variety of car chargers I have - some very cheap ones in there - with a variety of cables and battery status always showed "Charging (AC)". Use same cables on my PC and I get "Charging (USB)".

Dave

 

[msoprano13]

Here is the adapter: Smart Adapter Compatible with Samsung Galaxy S - USB / USB Adapter

So if I buy this adapter and use the USB port in my car I will be able to charge the phone while all of my apps are running?

 

[anon(156377)]

So if I buy this adapter and use the USB port in my car I will be able to charge the phone while all of my apps are running?

Yes.

 

[camiller]

So if I buy this adapter and use the USB port in my car I will be able to charge the phone while all of my apps are running?

Maybe, iff the USB port in your car is capable of supplying the juice! If the USB port in your car can produce more then 500mA AND you use that adapter.

 

[msoprano13]

Well going with that theory is there a regular car charger that will work?

Bottom line I need this thing to charge without crippling the phone by shutting everything down.

 

[anon(156377)]

Well going with that theory is there a regular car charger that will work?

Bottom line I need this thing to charge without crippling the phone by shutting everything down.

Like I said, you either need a high output Samsung "friendly" charger (that grounds pins 2 and 3) OR that adapter I mentioned, OR a charge-only cable (that grounds pins 2 and 3) OR modify an existing micro-USB you may have. Buying a new charger won't work, trust me. I am running a 3.1, yes 3.1 Amp charger from Rocketfish, beefiest charger Best Buy sells and my phone WILL NOT charge while using Navigation if I don't use the adapter. This is the case with most, if not all Samsung phones. Your phone will only receive ~500mA without one of the above, and ~960mA (hardware limit, no way around this that I know of) with the above. DO NOT use a charge-only cable or adapter in your car (assuming the USB does more than just charge--like play your iPod.) It may either damage the USB port on the car or the phone itself. Check with your manufacturer.

All that said, what is your charger rated for? I'm betting if it charged your EVO, it'll charge your SIII with above items.

EDIT: for $15 you can get that adapter AND a 2.1A charger (with great reviews I might add!) http://www.amazon.com/Satechi-Light...ag=hawk-future-20&ascsubtag=UUacUvbUpU2028916

 

[anon(848791)]

Good info. I have noticed that my evo 3d and s3 would hardly charge if I use Bluetooth for listening to Pandora, use GPS and stuff, all at the same time. My car comes with USB port and a cig lighter, which I use to charge the phone with an adapter that fits an USB cable.
Edit,
Just tried to charge via USB hook up and phone says charging USB, while the cig lighter the battery charges with AC.