3168Wh LiFePO4 battery for over 3,500 life cycles. AC high voltage input 0-100% full charge in 2.5 hours; Standalone power station with 100W USB-C, 12V/10A car port and USB-A port. Compatible with R3500 for a maximum of 6,336Wh capacity. (1*R3500+1*B3000) Only Works with R3500 +B3000