JX-887Y LI-ION BATTERY BOOSTER & CHARGER MODULE
Using this module, you can repair or build a lithium-ion battery. Due to the increasing use of lithium batteries, all of them have a lot of batteries that are similar to laptop batteries that do not work on the previous device but can be used as a power bank.
The battery connector is visible in the back of the charger.
Input Voltage: 5 Volts
Charging current: 1 amp
Length: 7 cm
Width: 2 cm
USB connector for consumer
Output Connector: Micro USB to charge the battery