720Wh Capacity Expandable Capacity X-Stream Fast Charge Lithium-Ion Battery Power up to 10 Devices Simultaneously Capacity: 720Wh (28.8V) Charging Method: AC Wall Outlet, 12V Car Adapter, Solar Panel(s) Shelf Life: 1 year (once fully charged) Cell Chemistry: Lithium-ion Cycle Life: 800 cycles to 80%+ capacity AC Charge Input Power: X-Stream Charge 660W Max AC Charge Input Voltage: 230Vac (50Hz) Solar Charge Input: 200W 10-25Vdc 12A Max Car Charger: 12Vdc 8A Max AC Output (x2): 600W (Surge 1200W) total, 230Vac ( 50Hz/60Hz) USB-A Output (x2): 5Vdc, 2.4A, 12W Max per port USB-A Fast Charge (x1): 5V/2.4A,9V/2A,12V/1.5A 18W Max Type-C Output (x1): 5Vdc, 9Vdc, 12Vdc, 15Vdc, 20Vdc, 5A, 100W Max Car Power Output (x1): 136W, 13.6Vdc, 10A Max DC5521 Output (x2): 13.6Vdc, 3A Max per port Management Systems: BMS Over Voltage Protection Overload Protection Over Temperature Protection Short Circuit Protection Low-Temperature Protection Low Voltage Protection Overcurrent Protection Full Recharge Time 1.6 hours (AC) 8 hours (12V Car Adapter) 4-8 hours (Using 2x 110W Solar Panels in parallel with direct sunlight) 6-12 hours (Using 1x 160W Solar Panel with direct sunlight)