Newcastle Systems PowerPack Ultra Series PP4.0 - external battery pack - lead acid - 480 Wh

The PowerPack Ultra Portable Power System provides quiet, seamless AC power for 8 hours at a time. This lightweight, compact unit is ideal for powering a laptop and barcode printer. At the end of use, simply plug the unit into a standard wall outlet to recharge. Eliminate the need for hazardous extension cords.