Required accessory for using optional rechargeable Li-ion battery for TD-2120N, TD-2130N and TD-2130NHC thermal printers. Simple assembly procedure requires the removal of one access panel, plugging in the power connector and mounting the battery base unit to the bottom of the thermal printer using four Phillips head screws (included). Requires Phillips #2 screwdriver (not included) to remove the access panel and to mount the battery base unit to the bottom of the printer. No other tools are required
