Specifications:Product Name: Emergency Energy Storage Power SupplyBattery Type: Ternary Lithium BatteryStorage Power Capacity:3000W/400A ≈ 5000Wh3000W/300A ≈3600Wh3000W/240A≈3000Wh Weight:Net Weight of 400A Machine : about 37 kgNet Weight of 300A Machine: about 32.5kgNet Weight of 240A Machine: about 29 kg Note: The standard configuration of the product is ternary lithium battery. If you need to change to lithium iron phosphate battery, please contact customer service