10 pz Tipo-C USB Caricabatteria al litio Modulo Batteria al litio ternaria ultra-piccola 3,7 V 4,2 V 1 A Funzione di carica automatica/interruzione con supporto batteria 18650

Product Description
This is a set of ultra-small ternary lithium battery charging boards.Compared with boards with the same function on the market, it is smaller and thinner.And fully functional, very suitable for buyers DIY lithium battery charging.
Specifications:
Input voltage range: 5~6V
Output voltage: 4.2V
Charging current: 1A
Plate size: 14×18×5mm (protrusion of C-Port female seat is about 1.5mm)
With protection board function: Yes(Over-voltage protection, over-discharge protection, over-current protection. Over-discharge protection value: 2.4V; Over-current protection value: 4A)
Charging mode:
1.When the charging current drops to 100mA after reaching the final float voltage, the charging cycle will be automatically terminated.
2.When the battery voltage drops below 4.05V (roughly corresponding to 80% to 90% of the battery capacity), the charging cycle restarts.
3.When the battery voltage is lower than 2.9V, the battery will be precharged with a current of 100mA.
Note:You need to connect the power supply to activate the protection board for the first use.
Package Includes:
10 x Type-C USB Ultra-Small Ternary Lithium Battery Charger Module
10 x 18650 Battery Holder