Duracell AA Duralock NiMH 2500mAh Pre-Charged rechargeable batteries are a great product for high drain devices and items that are in constant use.These batteries combine the convenience and power of an alkaline battery with the money saving and environmental benefits of a rechargeable battery. The high capacity of these batteries means they can be used in various devices such as digital cameras, hand held video games and wireless mice to name a few.Duracell's DURALOCK technology means these batteries are guaranteed to stay powered for up to 5 years* when not being used. This huge leap forward in battery technology has been made possible by improvements in the purity of ingredients and upgrades to the construction of the battery cell meaning less power is lost when in storage.7dayshop is pleased to advise these Duracell batteries are compatible with all of our high performance 7dayshop NiMH battery chargers - Please see our linked product links for suggestions.Specifications Battery type: AA HR06 NiMH Capacity: 2500mAh Precharged: Yes Rechargeable: Yes Duralock technology: Yes Guaranteed to last 5 years by DuracellWhat's in the Box? 2 x Duracell Recharge Ultra AA NiMh batteries - 2500mAh, pre-charged and stay charged