Specifications: 1. Solar panel Maximum power: 150 W. Optimal operating voltage (Vmp): 20 V. Optimal operating current (Imp): 7.5 A. Open voltage (Voc): 24 V. Short-circuit current (Isc): 9 A. Efficiency: 19.8% Folded size: 660 x 445 x 18 mm, extension size: 1345 x 660 x 3 mm. Weight: 3.9 kg. Operating temperature: -20 ? ~ + 60 ?. STC (standard test condition): radiation level 1000 W / m², temperature 25 ?, AM = 1.52. 20 A solar controller Voltage: DC 12 V / 24 V. Nominal load current: 20 A. Overload protection: 14.4V / 28.8V Overload float charge: 13.7 V / 27.4 V Charging voltage: 12.6 V / 25.2 V. Protection against discharge: 10.7V / 21.4V USB output: 5 V / 3 A. Size: 150 x 78 x 35 mm.Package Listing: 1. 1 x 150 W foldable solar panel 2. 1 x 20A solar controller with 0.2m wire and 1.5m wire 3. 0.2 m 2.5 mm2 alligator clip cable 4. 0.2 m, 2.5 mm2 PV cable