Amazon.com: Panasonic HHR-75AAA/B-4 Ni-MH Rechargeable Battery for Cordless Phones, 700 mAh (Pack of 2) : Electronics
Amazon.co.jp: Amazon Basics BQ-CC71AM-K Rechargeable Batteries, High Capacity Rechargeable NiMH Batteries, Set of 8 AA Batteries (Charged, Minimum Capacity 2,400 mAh, Can Be Used Approx. 500 Times) & Panasonic Charger, AA and
Amazon.com: EOCIK 4 Pack HHR-4DPA NI-MH Rechargeable Battery for Panasonic 1.2V 700mAh AAA Battery for Cordless Phones : Automotive
4PCS HHR-70AAAB-4 AAA Ni-MH Battery 750 mAh 1.2V for Panasonic Phone Rechargeable Battery for Cordless Phone : Amazon.ca: Electronics
Amazon.com: 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 : Electronics