More Power in Smaller Size: With a capacity of 1264Wh and a 2000W output, the 1000 Plus supports 99% of devices Expandable Capacity: Supports up to 3 add-on battery packs, expanding to 5kWh, ensuring 1-3 days of home backup power Industry-leading Sustainability: Setting new standards for sustainability. It is the first in the industry to be verified by TUV SUD Versatile & Fast Charging: 2 Hours Solar Charge with 4*SolarSaga 200W Solar Panels, 1.7 Hours Wall Charge Long-lasting Reliability: LiFePO4 battery cells, lasting up to 10 years - providing 4,000 charge cycles Intelligent Control: With the advanced APP feature, via WiFi or Bluetooth 6 months warranty