Amazon.com: Synergy Digital SDCP-C308 - Ni-CD, 3.6 Volt, 900 mAh, Ultra Hi-Capacity Battery - Replacement Battery for AT&T, Panasonic, VTech 80-5071-00-00, RadioShack 23-298 Cordless Phone Batteries : Electronics
Amazon.com: 2 Pack HHR-P107 NI-MH Rechargeable Battery for Panasonic 3.6V 650mAh Battery for Cordless Phones : Electronics
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
Amazon.com: Synergy Digital Cordless Phone Battery, Works with Lenmar CBD312 Cordless Phone, (Ni-CD, 3.6V, 400 mAh) Ultra Hi-Capacity Battery : Electronics
GE 3.6-Volt 800mAh Ni-MH Cordless Phone Battery 76402 - The Home Depot
Power Gear Rechargeable Cordless Phone Battery, 3.6V, 700mAh, NiMH 76154 - The Home Depot