The Dolgin Turbo Chargers accept Panasonic CGP, Sony L/M NPF970, Canon BP, JVC GY-HD100many other battery packs. Fast, safe simultaneous charge; high capacity battery packs (up to 6 AH) are ready in about 3.5 hours. As a battery is being charged, charge status is displayed in Volts, mAh (as counted by the charger fuel gauge) and percent of charge (estimated, using proprietary algorithm).