NiMH Battery with Micro USB Port AAA 400mAh 1.2V Ni-MH Rechargeable Battery Micro USB Charging 2400mwh 1.5V NiMH Nicad AA Battery - China USB Rechargeable Battery and Lithium AA Battery USB price | Made-in-China.com
GP Batteries GP40AAAM Non-standard battery (rechargeable) 2/3 AAA Flat top NiMH 1.2 V 400 mAh | Conrad.com
AAA NiMH Rechargeable Battery (400 mAh)
Amazon.com: 4 x AAA NiMH Rechargeable Batteries (400 mAh) : Health & Household