Xtech 4 AA Ultra High Capacity 3100mah Rechargeable Batteries with AC/DC Travel Turbo Quick Charger for Nikon SB-300, SB-400, SB-600, SB-700, SB-800, SB-900, & SB-910 Speedlights 100/240V Quick Turbo Charger for up to 4 AA, and AAA Batteries Best for Digital Cameras & High Drain Electronic Devices, Controlled by micro chips Dual LED Indicator when Charging - Green indicator light turns off when the batteries are fully charged Includes 4 AA 3100mah NI-MH Rechargeable Batteries, 100% Memory Free Charge up to 1000 Cycles, Car Adapter Plug & European Adapter Included, Five Year Limited Warranty