Purecrea Li-ion Battery Charging Module with DC-DC Step Up Boost Converter

This LiPo module serves as a charge controller for a 3.7V 18650 Li-ion battery and simultaneously acts as a DC-DC step-up voltage converter, allowing you to power your 5V microcontroller with the battery. The 4.5V-8V power supply can be either soldered or connected via micro USB. The end discharge voltage is 4.2V, and the output voltage can be adjusted from 4.3-27V using a potentiometer. With this module, you can, for example, charge your 18650 batteries with a solar panel and power your Arduino or ESP. The module does not have over-discharge protection, so you should only use cells with protective circuitry.

Recommended accessories:
18650 battery holder with connection cable
Li-Ion battery 3.7V 3000mA NCR18650B 18650 with protective circuitry

Features:
18650 Li-ion battery charging module
4.2V charging voltage with overcharge protection
DC-DC step-up voltage converter
4.5V-8V input voltage solderable or via USB
Output voltage adjustable from 4.3-27V with potentiometer.

Technical details:
Input voltage: 4.5V-8V
Charging voltage: 4.2V
Output voltage: 4.3-27V
Output current: 1A
Max output current (short-term): 1.5A
USB interface: micro USB
Dimensions: 33 x 23 x 5mm
Weight: 6g

Delivery includes:
1x Li-ion battery charging module with DC-DC step-up boost converter.