L.L. REPLACEMENT Phone Battery For Panasonic HHR-P104, HHR-P104A, KX-FG6550 (single) Type: Replacement Battery. Reachargeable: Yes. Chemistry: Ni-MH Voltage: 3.6V. Capacity: 900mAh. Color: Fruit Green Unit Weight: 1.6 oz Brand New. Package includes: One (1) cordless phone battery.