ND Brand Never Low Power Battery Chip resetter for 125 126 ink cartridge: Workforce 320 323 60 435 520 545 630 633 635 645 325 520 The Chip Resetter come without Batteries. Please use a printer USB cable to connect the resetter with a computer for the power supply. The item does not includes USB Cabble The Chip resetter can work on all Compatible Epson 125& 126 ink cartridge.