Is there way charging the battery GSM

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getmemot
Pre-kindergarten
Pre-kindergarten
Posts: 20
Joined: Tue Feb 09, 2016 10:28 pm

Is there way charging the battery GSM

Post by getmemot » Sat Mar 19, 2016 9:28 pm

is there any other way of charging the battery with out using the usb i have looked on the .sch and it looks like it can only be done through the USB5V there is a pad that connects to that it located right next to the usb slot i tried to solder a wire to it but the pad is so small i think i shortaged something out on my board :( just wanted to know is there anywhere else i can supply 5v to the usb to charge the battery?

Thanks

dbelam
Elementary-1
Elementary-1
Posts: 157
Joined: Wed Feb 03, 2016 2:59 am

Re: Is there way charging the battery GSM

Post by dbelam » Sun Mar 20, 2016 1:33 am

You can even try with external lipo charger, or with one power regulator: just set a voltage limit to 4.20V and charge with maximum 1C (that means if the battery has 500 mAh capacity, the max. charge current is 500 mA)

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