UltraLast - Lithium-Ion Battery for Select Casio Cell Phones

ULTRALAST Lithium-Ion Battery for Select Casio Cell Phones: Compatible with select Casio cell phones; 3.7V of power; rechargeable; overload protection

Keep your Casio Commando C771, GzOne Commando or GzOne Commando C771 cell phone operational with this Ultralast CEL-BTR771B battery that delivers 3.7V of power. Rechargeable lithium-ion battery features overload protection to safeguard your phone.