Extend your power with the Firman Zero-E B104201 Expansion Pack +1000. Adding 1040Wh of capacity to your Zero-E Power Station, this slide-lock battery pack connects seamlessly — stack up to 10 packs for a total of 11,440Wh. Built with Lithium Iron Phosphate (LFP) technology, it delivers over 4,000 charge cycles for long-term reliability. Use it independently with its built-in 100W USB-C port, or combine with your Zero-E system for serious backup power. Lightweight, safe, and versatile, the B104201 keeps your essentials running during outages, road trips, or off-grid living.
