Duracell Rechargeable AAA 750mAh batteries let you charge 100's times. They are suitable for your regularly used devices like a wireless mouse or a babyphone. They come pre-charged so you can power your devices right away and will stay charged for up to 12 months, when not in use. Additionally, Duracell Rechargeable AAA 750mAh batteries are guaranteed to last 3 years. These powerful NiMH batteries work in any NiMH charger and are available in AA 1300mAh and AAA 750mAh sizes.