Anker SOLIX BP2000 Expansion Battery Gen 2 doubles your power with 4,096Wh total capacity when paired with C2000 Gen 2—keeping essentials running twice as long. Built to last with a drop-proof unibody frame, 50,000-hour-rated components, and optimized cooling design. Retains 80% capacity even after 4,000 cycles for a 10-year lifespan. Experience extended performance and dependable energy wherever life takes you.