Rep: 61
2
3
I need to charge my battery externally. My only concern is overcharging and ruining the battery. I know there is a circuit somewhere that prevents overcharging. Is that circuit built into the battery, or is it part of the phones hardware?
Is this a good question?
Rep: 479.4k
35
329
971
Its in both!
The sensors are within the battery and the controlling logic is within the phone. Li-Ion batteries need to be charged with a special charger you can't just plug any power source to the battery.
Here's a basic writeup on what needs to be done: Charging Lithium-ion. As you can see its a bit of work. Here's a sample circuit: Make this Li-Ion Battery Charger Circuit. The only problem here is you would need to dig a bit deeper to find out if this would work for a iPhone 4s battery, I'm not sure it would.
Was this answer helpful?
Past 24 Hours: 0
Past 7 Days: 0
Past 30 Days: 0
All Time: 977
