Motorola KEBT-1300 2-Way Radio Battery (Ni-MH 3.6V 1500mAh) Rechargeable Battery - replacement for Motorola 53615 (Ni-MH 3.6V 1500mAh) Rechargeable Battery replacement for Motorola 53615 Made with high quality Japanese cells. 100% compatible with your OEM battery. 1 year warranty