Purecrea 4x18650 Lithium Battery Shield 5V 3A / 3V 1A

This 1x18650 Battery Shield is perfect for powering your Raspberry Pi, Arduino, ESP8266, or ESP32 using a 18650 Li-ion battery. The shield also includes charging electronics, allowing you to recharge the lithium batteries via the Micro USB port. (Batteries are not included). Caution: When inserting the 18650 lithium batteries, please observe the polarity + and –; otherwise, the charging chip will be destroyed!

Recommended Accessories:
18650 Lithium Battery without protection circuit

Features:
Battery protection against overcharging and deep discharge
Easy charging via Micro USB or USB Type-C port with up to 0.5A
Side switch to turn on and off
3A 5V USB Type-A output or solder pins (5 pieces of 5V solder pins available)
1A 3V output via solder pins (5 pieces of 3V solder pins available)
LED indicator 4x red for charging status

Operation:
After the 18650 cells are inserted, the shield must be powered briefly via the Micro USB or USB Type-C (only then will it turn on). By briefly pressing the side button (K1), you can check the charging status. To turn off the 5V and 3V outputs, the side button (K1) must be pressed for more than 3 seconds. (new version: press twice briefly) To turn on, simply press the side button (K1) briefly.

Technical Details:
Number of 18650 batteries: 4
Protection circuit: Overcharge protection and deep discharge protection
Micro-USB + USB Type-C port for charging
Maximum output current 5V: 3A (temporarily tested up to 4A)
Maximum output current 3V: 1A
1x 5V 3A USB Type-A socket
5x 5V 3A connection for solder pins
5x 3V 1A connection for solder pins
4x mounting hole diameter 3mm
Dimensions: 102 x 96 x 22mm
Weight: 67g

Delivery includes:
4x18650 Lithium Battery Shield 5V 3A / 3V 1A (batteries are not included).