Dual Micro USB 3.7v to 5V 2A Power Bank DIY 18650

Dual Micro USB 3.7v to 5V 2A Power Bank DIY 18650 Lipo Charger

This module is a DIY accessory for mobile power, consisting of a 18650 circuit board shell and a dual micro-USB charging module that converts 3.7V to 5V 2A. You can use it to create your own mobile power device, but you need to have some basic electronic assembly skills.

We need to note the following points when installing products:

1. Batteries to parallel, the voltage in 3.2-4.2V can work between, 18650 flat and polymer battery can be.
2. We can connect the battery to the motherboard B + negative-, installed against the necessary burning motherboard.
3. New and old batteries, model brand inconsistent batteries cannot be mixed.

Features

1. 4-level LED lamp display power, not working state intelligent automatic shutdown.
2. The built-in lithium battery protection IC, over-current, overpressure, under-voltage protection.
3. Dual USB output ports.
4. Input requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5V 1A above.
5. Requirements for rechargeable batteries:
6. Compatible Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery.

specification-

Package Includes

• 1 x Dual Micro USB 3.7v to 5v 2A Power Bank Charging Module.