3.7V 18650 Lithium Battery 2200mah

A rechargeable 18650 lithium-ion cell at 2200 mAh, a higher capacity than the 1300 mAh version and a common rating for reliable cells. Used in torches, portable projects, power banks and battery packs. It requires a proper lithium charger with the correct constant current then constant voltage profile — charging a lithium cell from an unregulated supply is genuinely dangerous, not merely bad practice. 2200 mAh gives longer run time per charge; Rechargeable hundreds of times; Standard 18650 format fits common holders; Suits power banks and portable builds