3.7v (1600mAh) Li-ion 18650 Battery also know as 18650 battery is a lithium-ion cell classified by its 18mm x 65mm size. slightly larger than a AA battery.
They’re often used in laptops, flashlights, and high-drain devices due to their superior capacity and discharge rates. 18650s rechargeable battery is good solution for replacements and usually boast 300-500 charge cycles.
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