Industry-Electronics 4duino 5V 1A Lit-Battery Micro USB Charger with protection Module
100% Brand New & High Quality
Mini USB input terminal with a female, can be directly input to do with the phone charger rechargeable lithium battery,
And still retains the input voltage wiring pads, can be very convenient DIY
Input voltage: 5V
Charging cut-off voltage: 4.2V ± 1%
Maximum charge current: 1000mA
Battery over-discharge protection voltage: 2.5V
Battery overcurrent protection current: 3A
Board size: 2.6 * 1.7CM
It can be used for voltage 3.6 3.7V, etc. 18650, polymer and other lithium battery charge and discharge protection, single or multiple parallel