ExpertPower 15.6v 3000mAh NiMh Extended Battery for Panasonic EY9230B EY9231 EY9231B EY3530 EY3531 EY3793 EY6432 Brand New | Ni-Mh | 15.6 Volts | 3000 mAh | Black ExpertPower products are tested to match and/or exceed OEM specs Before purchasing, please make sure your charger is compatible with Ni-Mh technology. Products trademarked ExpertPower are marketed and sold exclusively by ExpertPower. 1 Year Warranty