Hi-quality Equivalent BT-N1 BT-N1U Battery for SHARP VL-E33U VL-E37U VL-E600U Series [Ni-MH 2100mAh 3.6v] Battery Type:Ni-MH rechargeable battery|Dimension:56x46x19mm Capacity: 2100mAh |Volt:3.6V (Compatible with 3.7V) Compatible with: SHARP BT-N1 BT-N1U Battery Made with the highest quality cell *Full one year replacement warranty Note: 100% original manufacture compatible NOT OEM