Synergy Digital Cordless Phone Battery, Works with Siemens Gigaset A240 Cordless Phone, (Ni-MH, 2.4V, 650 mAh) Ultra High Capacity, Compatible with GP 55AAAHR28MX Battery - Walmart.com
4 x AAA GP cordless Phone batteries Gigaset Siemens AS 405 | eBay
Amazon.com: GAXI Battery for Siemens Gigaset A12, Gigaset A120, Gigaset A14, Gigaset A140, Gigaset A140 Duo Replacement for Siemens Cordless Phone Battery : Electronics
Genuine Siemens Gigaset S450 Battery - EMT Company – emtcompany.com
2x phone battery for Siemens Gigaset S450 Battery recommended for cordless phones