The rechargeable battery pack enables the CP600 to print anywhere, even without AC power (1200mAh). Compatibility -- CP-200 -- CP-300 -- CP-330 -- SELPHY CP510 -- SELPHY CP600 -- SELPHY CP710 -- SELPHY CP730 -- SELPHY CP770 -- SELPHY CP780 Blue -- SELPHY CP780 Pink -- SELPHY CP780 Silver -- SELPHY CP790 -- SELPHY CP800 Black -- SELPHY CP800 White -- SELPHY CP900 Black Wireless -- SELPHY CP900 White Wireless