What is 18650 lithium battery?

18650 battery：18 means a diameter of 18mm, 65 means a length of 65mm, and 0 means a cylindrical battery. 18650 means that the diameter is 18 mm and the length is 65 mm.

18650 Lithium-Ion Batteries, 2300-2499 mAh Actual Capacity – Higher Wire Inc.

18650 Battery Vs AA Battery: Comprehensive Comparison Guide

PKCELL Flat Top 18650 Li-Ion 3.7V 2600mAh Rechargeable Battery

PCB Protected Rechargeable Lithium Battery Point Top 3.7V 2000mAh Icr 18650 Battery - China 18650 Battery and 2000mAh Battery price

Evo Gimbals Li-ion Batteries 2600mAh IMR-18650 HC (3 Pack)

18650 battery is a Li-Ion rechargeable battery with 3000 mAh Battery Capacity. They are safe to use, environment friendly and has a long battery life.

18650 Li-ion Rechargeable Battery 1C (1200 mAh) - Original

EBL 18650 3.7V Li-ion Rechargeable Battery

3C Max 3.6v 2500mah 18650 Lithium Ion Battery Lithium Cylindrical Cells

ADDTECH 18650 Lithium Battery