Need a charge circuitry for your 18650 lithium battery? Sorted! Nice and compact and you just need to plug it in with a micro USB cable to a 5V source.
Connector: Micro USB
Input voltage: 5V
Charging cut-off voltage: 4.2V ± 1%
Maximum charge current: 1000mA
Battery over-discharge protection voltage: 2.5V
Battery over current protection current: 3A
Board size: 17.16 mm x 26.17 mm