Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 1500mAh. This Kastar battery charger with foldable flat pin for easy storage. The charger Input: AC 100~240V 50~60Hz; Output: DC ...

I designed a compact, standalone Li-ion battery charger that is simple to build, extremely affordable, and easy to integrate directly into projects.

There’s a good chance that if you build something which includes the ability to top up a lithium-ion battery, it’s going to involve the incredibly common TP4056 charger IC. Now, there’s certainly ...

Battery performance is critical to mobile device performance, and technology advances with lithium-ion batteries continue to increase the available energy packed into our portable devices. With ...

Here is a tried and tested sample circuit of a Li-Ion battery charger that can be used to charge any 3.7V Li-Ion battery using a 5VDC (USB, Solar Panel…) power supply. At the heart of the circuit is ...