Rechargeable cordless phone battery for uniden BT-909 BT909 3 * AAA ni-mh 800mAh 3.6V rechargeable batteries _ - AliExpress Mobile
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
4.8v 800mAh Ni-MH Battery Pack Replacement for RC Car – Batteryhawk, LLC