4 PACK of Philips MultiLife NiMH Rechargeable Batteries - Choose AAA 1000mAh OR AA 2700mAh Batteries - An 8 slot battery charger is also available (works for both AA and AAA) -
iMah AAA Rechargeable Batteries 1.2V 550mAh Ni-MH, Also Compatible with Panasonic Cordless Phone Battery 1.2V 400mAh BK40AAABU, 550mAh HHR-55AAABU and 750mAh HHR-75AAA/B, 6-Pack