What is 18650 lithium battery?

Fenix ARB-L18-3500 Rechargeable 18650 Battery

30000mAh 3.7V Flat Head Li-ion Battery 18650 Li-ion Rechargeable Battery for LED Flashlight/electronic Gadget Cabinet Light 1/2/4/5/6pcs

Everything You Need to Know About the 18650 Battery

Ultrafire 18650 Rechargeable Batteries

For Select Flashlights and Gimbals, Equivalent to Nitecore Design, Overcharge and Discharge Protection, 300 Recharge Cycles, Button Top Contact, Suitable for High-Drain Electronics. The 18650 Rechargeable Lithium-Ion Battery from Watson is a 3.7V 2600mAh Li-Ion battery that works with select flashlights powered gimbals and other electronic devices. Featuring overcharge and discharge circuit protection this battery can be charged approximately 300 times without the risk of damage.

Watson 18650 Rechargeable Lithium-Ion Battery (3.7V, 2600mAh) LI-1826

2600mAh 18650 Rechargeable Battery

18650 Lithium-ion Rechargeable Cell - 2500mAh 3.7V 20A

18650 2200mAh 3.7V Rechargeable flashlight battery. PCB protected with Raised Positive terminal. Lithium batteries hold more power than standard

Battery: Rechargeable Lithium Ion 18650 Raised Positive - AE LIGHT

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

UltraFire 3400mAh 3.7V 18650 USB Rechargeable Lithium Battery with Pro

Tenergy Li-ion 18650 Cylindrical 3.6V 2200mAh Flat Top Rechargeable Battery - UL Listed 30023-0

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