4 x BT Verve 450 /410 Quad Cordless Phone Batteries GP 5M702BMX NiMH 2.4v 600mAh: Amazon.co.uk: Electronics & Photo
ANSMANN AA Dect Phone Batteries [Pack of 2] Rechargeable 1300 mAh NiMH High Capacity AA Type Size Battery For DECT Cordless / Portable Phones: Amazon.co.uk: Electronics & Photo