Panasonic Eneloop "AA" (2) Recharagable Batteries & "D" (2) Spacers

Recharge up to 2100 times
Maintain up to 70% of their charge after 10 years (when not it use)
2000mAh type, 1900mAh min, Ni-MH pre-charged rechargeable battery
D size spacers allow eneloop AA batteries to be used as D cell batteries
No memory effect - batteries can be recharged when fully, or partially discharged