12 AA Panasonic Eneloop Pro (Replace sanyo XX) NiMH 2550mAh (Min. 2450mAh) Rechageable Batteries + Free Battery Holder 12 Panasonic Eneloop Pro AA 2550mAh (Min. 2450mAh) Batteries Free Battery Holder Fully charged and ready to use out of the package Packaging May Vary maintain 85% of their charge for up to one year