3.7V to 9V 5V Charge Discharge Integrated Module for 18650 Lithium Battery J5019

Features:
1. Boost adjustable: 3.7V liter 9V 2A, lithium battery charging boost discharge integrated module, adjustable module.
2. High safety: with over-voltage protection, stable and reliable.
3. Easy to operate: The product connection has a clear function mark and is easy to operate.
4. Professional materials: The products are all industrial grades, which can work for a long time and have a long service life.
5. Easy to carry: This product has a portable size so it is very easy to carry.

Descriptions:
This product uses a high-quality chip boost and adjustable safety.
The product can be used to modify the multimeter and refit the lithium battery to charge.

Specifications:
Color:green

Package Included:
1 x 3.7V to 9V 5V multimeter modification