MH-CD42 Charge and discharge module for 3.7V 5V/2A Lithium battery

MH-CD42 Lithium Battery Charger.

This lithium battery charger offers simultaneous charging, discharging, and both functions, battery protection, and a 4-level LED charging indicator. It allows any 3.7V lithium battery to be connected to achieve a 5V output with a current of up to 2.1A.

Specifications:

Charging voltage: DC4.5V-5.5V (DC5V recommended).

Charging current: 0-2.1A.

Quiescent charge current: 100uA.

Full voltage: 4.2V ± 1%.

Discharge current: 0-3.5A.

Quiescent discharge current: 50uA.

Discharge efficiency: up to 96%.

Output voltage: 5V.

Output current: 0-2.1A

Ambient temperature: -20 ∼ +85°C.

The module comes with a lithium battery protection function.

Overcurrent protection (OCP).

Overvoltage protection (OVP).

Short circuit protection (SCP).

Overheat protection (OTP).

Four-level charge indicator.