Pololu - Rechargeable NiMH AA Battery: 1.2 V, 2200 mAh, 1 cell

This is a generic rechargeable AA NiMH battery with a capacity of 2200 mAh. These batteries are well-suited for powering small- to medium-sized robots and can be used with our AA battery holders. You will need to charge these batteries before you first use them.

12V 1600mAh Rechargeable NiMh Battery - RobotShop

Pololu - Rechargeable NiMH Battery Pack: 4.8 V, 900 mAh, 4x1 AAA Cells, JR Connector

GENYESTAR Rechargeable AA Battery NIMH 1.2V Double A 2200mAh High Capacity 4 Pack Pre-Charged Solar Batteries Low Self Discharge for Solar Light Replacement Electronic Toys Household Devices : Health & Household

Exell 1.2V AA Size 2200mAh NiMH Rechargeable Battery w/ Tabs

Pololu - Battery Holders

Battery Rechargeable NiMH AA 1.2 V 2200 mAh 1 cell Philippines

Tenergy 1.2V 2000mAh Ni-MH AA Rechargeable Batteries (4 pk) - RobotShop

Battery Rechargeable NiMH AA 1.2 V 2200 mAh 1 cell Philippines

Exell 1.2V AA Size 2200mAh NiMH Rechargeable Battery w/ Tabs

Set of Panasonic Eneloop R3/AAA 800mAh rechargeable batteries - 4 pcs. - Kamami on-line store