Synergy Digital Cordless Phone Battery, Works with GE 5-2459 Cordless Phone, (NI-CD, 3.6V, 600 mAh) Ultra Hi-Capacity Battery : Amazon.ca: Electronics
Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery : Amazon.ca: Electronics