Take the GP recyko with 850 mah. A high capacity battery. Can be recharged up to three hundred times, which not only saves your wallet, but also protects the environment. * AAA 1.2v rechargeable battery * The batteries can be used immediately after removing them from the packaging and do not need to be charged first * Suitable for all devices *Guaranteed to last 6 years or 300 cycles, whichever comes first