NiMH Rechargeable Batterys Charge Module Charg-ing Board with Protections 3-Cell(3S) 4.5V no Terminal

Features:
Micro USB lithium batterys charg-ing board.
with overcharge, overdischarge and overcurrent protection.
Automatic low-power sleep mode when input voltage is removed.
Maintenance charge mode(timer termination).
Can be used for multimeter, converted to lithium batterys charging.