Amazon.com: Replacement for Siemens Gigaset SL30 Battery - Fully Compatible with Siemens Active M1, Gigaset 4000 Micro, Gigaset 4000L Micro, 4000s Micro - (1300mAh Li-ion) : Cell Phones & Accessories
Amazon.com: Synergy Digital Cordless Phone Batteries and Charger, Compatible with Siemens GIGASET 4010 Cordless Phone Charger Replacement of 4 AA NiMH 2800mAh Rechargeable Batteries, with Charger : Electronics