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

Enjoy a lasting charge with this Ultralast CEL-BTR781B lithium-ion battery, which delivers 3.7V of power to your compatible Casio cell phone. A rechargeable design allows easy replenishment, and overload protection offers defense against excess power.