This item Ni-MH battery stick, the chemistry is Ni-MH, that is, nickel-metal-hydride, and it's meant to be a replacement for other Ni-MH batteries. A battery stick is similar to a battery pack, in that it is actually multiple batteries bundled.This 3.6 volt Ni-MH battery is 3-cells in a stick.Package Included:OXWINOU 1Pack FL75375 Battery.
May require 3 - 5 Charge/Recharge cycles to reach maximum luminesce life. Other words customers have used to find this product: Stinger, Polystinger, Poly, extended, airsoft, streamlight, stream light, steamlight, flashlight, 75175, 75375, sim, stick, led, hp, ds, xt, nimh, rechargeable, 2200 mah,charger.