eneloop Eneloop Panasonic BQBS1E4SA D Size Battery Adapters for Use with NiMH Rechargeable AA Battery Cells 4 Pack

eneloop D size battery adapters are designed for use with eneloop AA rechargeable batteries. eneloop C and D size spacers allow for eneloop AA batteries to be inserted and utilized in C and D size battery applications. The battery cells maintain their original eneloop AA rechargeable battery performance characteristics including 2000mAh typical (1900 minimum), up to 2100 recharges, and will hold 70% of their charge for up to 10 years, (when not in use). These adapters are a great alternative when C and D size batteries are not available. Battery life will vary based on the application.