This Anker SOLIX BP3800 Expansion Battery offers a substantial 3,840Wh capacity powered by long-lasting LFP (Lithium Iron Phosphate) batteries. It is designed for seamless expansion with the Anker SOLIX F3800 power station, allowing you to increase capacity up to 26.9kWh by adding up to six battery packs. Built with Anker InfiniPower technology, it boasts a 10-year lifespan with 3,000 life cycles, thanks to its EV-class LFP batteries, durable components, and smart temperature control system. Enjoy peace of mind with a 5-year hassle-free warranty. The package includes the Anker SOLIX BP3800 Expansion Battery and a Battery-to-Host Cable. This battery pack weighs 83.78 pounds.