Dealikee 20 PCS Micro USB 5V 1A 18650 Lithium Charger Module Charging Board with Dual Protection Functions

Inputs with MICRO USB 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. Charging cut-off voltage: 4.2V; Maximum charge current: 1000mA. Input voltage: 5V; Battery over-discharge protection voltage: 2.5V; Batteryovercurrent protection current: 3A; Connect the battery to the B + B-, inserted into the USB female mobilephone charger, the red light is being charged, the green light to full. The charge should disconnect the load OUT terminal on the positive and negative can not be wrong, otherwise it will damage directly. Micro USB 5V 1A 18650 Lithium Battery Charging Board Charger Module with Dual Protection Function. Note: When the battery is connected for the first time, the protection circuit can be activated by charging it with 5V voltage.