Battery quantity: 3-7 Brand: AERDU warranty: 2 Product certification: CE cycle times: 2000 Battery specification: 12V~24V Shell material: plastic, sheet metal weight: 5~20kg Battery type: lithium-ion battery specification and model: 300W standard version, 300W professional version, 500W standard version, 500W professional version, 1000W standard version, 1000W professional version, 1500W standard version, 1500W professional version, 2000W standard version, 2000W professional version, 12.6V5A charger, 25.2V10A charger, 29.4V10A charger output parameters: 200V~220V Product series: outdoor power supply, emergency power supply, solar power station protection type: software protection power supply type: other power supply display mode: digital, LCD input parameters: 12~24V