Ni-MH 2/3AAA Solar Battery, 2/3AAA 400mAh Rechargeable Battery, 2/3AAA 1.2V Low Self-Discharge Rechargeable Battery 8 Pack for Outdoor Solar Lights (Not AAA Size Batteries)

Customers find these solar batteries to be a good value, with one mentioning they last longer than expected. They are the right size for outdoor solar lights, fit well, and are compatible with various devices. The charging performance receives mixed feedback, with several customers reporting that they don't charge properly.