Duracell rechargeable aaa batteries duracell rechargeable aaa batteries are suitable for your mid drained devices or the devices you use frequently like a wireless mouse or a games console controller they are coming with the unique duralock technology and are guaranteed to stay charged up to 6 months being charged they are also guaranteed to last 3 years retain up to 80 percent of their charge after 6 months when not in use or 300 recharges whichever comes first batteries