Duracell rechargeable batteries can be charged hundreds of times for thousands of photos to power cameras, game console controllers, wireless mice or other everyday devices.This 2-pack of triple AAA batteries is guaranteed to last 3 years or for 300 recharges (whichever comes sooner) and features Duralock technology, which means they retain up to 80% of their charge after 6 months once fully charged.With hundreds of recharge cycles, they are a great economic and environmental choice and can be used anywhere AAA batteries are used. For example, you could get up to 200 pictures per charge, up to 35 hours use out of a mouse or 6 hours in a game console controller.Duracell rechargeable batteries will charge in all good quality Ni-MH battery chargers including the 7dayshop rangeof Ni-Mh battery chargers (see links). AAA batteries are also known as LR3, LR03, KAAA and MN2400.Specifications Battery type: AAA (HR03 / MN2400) Battery technology: NiMh Capacity: 750mAh Voltage 1.2V Duralock technology: retains up to 80% of charge for up to 6 months after charging when not in use Guarantee: To last for 3 years of 300 recharges, whichever comes first What's included2 x Duracell Recharge Plus rechargeable AAA (HR03/ MN2400) NiMh 750mAh batteries (Split from 4 pack)