Firman Expansion Power Pack +1000 is the i solution for those seeking more power than the base ZERO-E. With Firman, you can connect up to 10 power packs to your ZERO-E, providing a significant boost for tackling various tasks. These stackable power packs utilize the same gasless, sustainable technology, ing zero emissions and requiring no maintenance. Delivering ultra-quiet, clean, and dependable power, they enable you to accomplish all your tasks guilt- while also being environmentally friendly. It’s important to note that the ZERO-E Power Pack functions only as an add-on to the ZERO-E and cannot operate independently. Model Number: B104201