AAA x 4 Pcs + 4 Transforming shell ( Singpost to letter box 60cts per set ) Panasonic Eneloop Pro AAA Rechargeable Ni-Mh Batteries MAKE IN JAPAN Rechargeable up to 500 times Pre-Charged, Ready to Use Holds 85% Charge After Year of Storage Typical Capacity 950 mAh Free gift AAA tramsform AA battery shell put in your AAA battery in the shell and you can use as a AA battery ( NOTE: During charging need to remove the shell )