| • Official OTTOVAC lithium ion battery cartridge upgrade for vacuum lifters • Integrated USB-C charging port allows quick and easy power cell refreshing • Powered by dual single cell 18500 lithium ion batteries for long runtime • Premium upgrade alternative replaces the standard AA alkaline battery tray • Smart engineering ensures consistent voltage delivery for strong pump performance | • Compact lightweight architectural layout slides smoothly into your device slot • Secure physical integration design fits tightly to resist heavy workspace vibration • Advanced built-in safety circuitry protects cells against unexpected short circuits • Smart internal charging controller actively guards the cell against overcharging • Provides a dependable source of uninterrupted power to finish large layout jobs |
