This 3.7V 2600mA lithium-ion battery is a spare/replacement battery for the Nightstick XPR-5522GMX Series flashlight. Like all lithium-ion batteries, this unit has no recharge memory effect meaning it can be charged a little or a lot with no impact on the life of the battery.

NOTE: AFTERMARKET 3RD PARTY BATTERY PACKS INVALIDATE INTRINSICALLY SAFE CERTIFICATIONS & ARE POTENTIALLY DANGEROUS. USE ONLY NIGHTSTICK MANUFACTURED BATTERY PACKS.