NEC 730088 Cordless Phone Battery Ni-MH, 3.6 Volt, 750 mAh - Ultra Hi-Capacity - Replacement for UNIDEN BT-930 Rechargeable Battery Replacement Battery for UNIDEN BT-930 - Ni-MH, 3.6 Volt, 750 mAh Compatible with your OEM battery. Made with high quality cells.