18650 Battery Shield V8 Mobile Power Bank 3V/5V for Arduino ESP32 ESP8 – diymore
Battery Source
Help identifying this battery. It is an 18650 but both positive and negative terminals are on the same end. It is for a bike light. Does it have a special name? :
DVISI 10Pcs/lot 3.7V 5000mAh 26650 Rechargeable Batteries Positive Negative in same side with Protection plate Wholesale