AKKU CP 39: Cordless phone battery, NiMH, 3,6 V, 300 mAh at reichelt elektronik
Ni-MH Battery for GP 30AAAM3BMX T427 3.6V 300mAh | eBay
EBL USB Rechargeable Batteries 1.5v AA 3300mWh Li-ion Lithium w/ Micro USB Cable - Walmart.com
AKKU CP 39: Cordless phone battery, NiMH, 3,6 V, 300 mAh at reichelt elektronik
Synergy Digital Cordless Phone Battery, Works with GP 30AAAM3BMX Cordless Phone, (Ni-MH, 3.6V, 300 mAh) Ultra High Capacity, Compatible with Binatone 30AAAM3BMX Battery - Walmart.com - Walmart.com
Amazon.com: Battery MA-1 Replacement for Tivoli iPAL MA-2, iPAL MA-3, iPAL MA-1, PAL MA-1, Digital Radio Battery : Electronics