Xtech 4 AA Ultra High Capacity 3100mah Rechargeable Batteries with AC/DC Travel Turbo Quick Charger for Canon Speedlite 270EX, 270EX II, 320EX, 430EX, 430EX II, 580EX, 580EX II, & 600EX-RT Flashes, Speedlite Transmitter ST-E3-RT, Macro Ring Lite MR-14EX, MR-14EXII & Macro Twin Lite MT-24EX 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