- -_-MakeHow to use: output 2 wires, the output is on the green light, the normal standby state, the red light when charging, when the rechargeable battery voltage reaches about 4.16V, the red light turns to green, the charger does not completely stop charging at this time, but uses a small current The trickle continues to charge, and the highest cut-off voltage is 4.21V. The charger is equipped with a full set of protection, so no short circuit will damage the charger.
Indicator status: green light is standby(It is 4.16V trickle state when charging to protect the lithium battery)
The red light is charging! Flashing green light is 4.21V over voltage
Flashing red light means battery failure or short circuit