The Jackery Battery Pack 1000 Plus is a 1264Wh LiFePO4 expansion battery built exclusively for the Jackery Explorer 1000 Plus system. It increases total energy storage for longer runtimes during home backup, off-grid travel, and continuous outdoor power needs. With a long cycle life, stable chemistry, and dedicated expansion ports, it offers a reliable way to scale the Explorer 1000 Plus into a multi-day backup solution. Extended Backup Capacity The 1264Wh capacity adds significant runtime to the Explorer 1000 Plus, supporting extended operation of appliances, tools, and electronics. With multiple Battery Pack 1000 Plus units connected to the main station, total system capacity increases substantially, enabling multi-day support for camping, remote work, outages, and off-grid setups. Long-Life LiFePO4 Battery The Battery Pack 1000 Plus uses LiFePO4 chemistry for stable, long-lasting performance. It maintains over 70% of its original capacity after 4000 cycles, offering years of dependable use for frequent travelers, off-grid users, and households needing reliable emergency storage. Dedicated Compatibility This expansion battery is engineered specifically for the Jackery Explorer 1000 Plus. Dual DC expansion ports allow secure, high-current linking that preserves full system performance and ensures seamless communication between batteries. Specifications Battery Capacity: 1264Wh Battery Chemistry: LiFePO4 (Lithium Iron Phosphate) Cycle Life: 4000 cycles at 70 percent capacity Compatibility: Jackery Explorer 1000 Plus Weight: About 22.5 lbs Dimensions: 14 × 10.24 × 7.8 in Expansion Ports: 2 × DC expansion ports Expansion Port Output: 32.5V–46.8V = 68A Max Charge Temperature: 0–45°C Discharge Temperature: -10–45°C Warranty: 3-year warrantyGuarantee: 30-Day Money Back Guarantee Partner item — ships directly from Jackery.