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FEATURES: 3 Meters Cable cord and plug Exposed 28meters 19v solar panel Charge, Outside or inside which is spacious and light or Outdoor with plenty Of sunlight Specification: Circuit control: Used under the control of customized control Circuit Battery: 12V Performance Test Conditions: A. Ambient Temperature: 25 +_1c B. Light Intensity Test: 38,000 Lux Fabric Packaging Technology :Fabric seam Packaging Material: 600D Waterproof Fabric Solar Main Material BOM: Solar Cell, PET, EVA, Epoxy Tree PCB Board, Controller, Cable Wire, Fabric Material Battery Chip: Monomorphic Photoelectric Conversion rate: 21.5% Working Voltage: 18V +5% Working Current: 1670 mA +-5% Open Circuit Voltage: 21.6V +5% Short Circuit Current: 1810mA Expand Size: 600mm 360mm + 2% Folding Size: 300mm 360mm + 2% Controller Output: 5.1V Service Life: 5 Years Cryopreservation: -30 C High Temperature Preservation: 60 C Operating Conditions: -35 C-65 C Solar Control Panel: 1'type C outlet, 2 USB Outlet, 1"12V DC outlet