From Amazon
VARTA Ready2Use pre-charged rechargeable AA Mignon Ni-Mh battery, 2-pack, 2,600 mAh - rechargeable without memory effect - ready for immediate use
Conrad Electronic
Varta RECH.AC.Power AA2600mAh BLI2 AA battery (rechargeable) NiMH 2600 mAh 1.2 V 2 pc(s)