900DH1A1P | GP Batteries Rechargeable Battery, Ni-MH, D, 1.2V, 9Ah | Distrelec Danmark
Rechargeable NiMH
Amazon.com: Synergy Digital Cordless Phone Battery, Works with GP GP80AAAH3BXZ Cordless Phone, (Ni-MH, 3.6V, 800 mAh) Ultra Hi-Capacity, Compatible with Clarity C4220/4230 Battery : Electronics