5V 2A Charge and Discharge 3.7V 4.2V Lithium Battery Boost Module

CD42 5V 2A Charge and Discharge  3.7V 4.2V Lithium Battery Boost Module, when using a lithium battery, its charge, and discharge need circuit protection to protect the lithium battery from being charged or damaged or to obtain a safe power supply from the lithium battery. The module has four LED indicators to indicate the current power of the lithium battery.

Features:

• Low-level trigger
• Over-current, over-voltage, short circuit protection
• The module comes with a lithium battery protection function.

Package Includes:

1 x 5V 2A Charge and Discharge  3.7V 4.2V Lithium Battery Boost Module