Duracell AA Rechargeable 1300mAh 4 Pack Batteries - stay charged up for longer. Not only will you get hundreds of uses out of each Duracell AA 1300mAH rechargeable battery, but they also stay charged longer so you can recharge less*. These high power 1300mAH AA NiMH batteries are ideally suited for high-drain or frequently used devices such as digital cameras. Recharge hundreds of times and save hundreds of pounds. 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. *Vs. ordinary rechargeable batteries, when not in use.