http://tinyurl.com/o4ahm8rMaglite RN2019 NIMH Battery Heavy-Duty Rechargeable Flashlight SystemProduct Review Click on the link for more reviewsExtended On Time - 34% Increase in battery capacity (requires full charge cycle)Charger operates on A/C or D/C currentIncludes, rechargeable flashlight, charging cradle, rechargeable battery (NiMH), 2 mounting brackets and 12 volt adapterEasily replaced high-intensity halogen lamp with spare stored in tail cap1/4 turn, cam action focus, spot-to-flood