It is powered by most 12V lead-acid batteries, including 12V lithium batteries, and can be bent 30 degrees and installed in RVs, fishing boats, wooden houses, tents or any other outdoor scene. This power supply is energy-saving and environmentally friendly, making it ideal for outdoor work, travel or camping training. Features: PWM solar charge control with dual USB ports & LCD screen. Spare cable can be used to connect the charge control to battery. Can be bent 30 degrees and installed in RVs, fishing boats, wooden houses, tents or any other outdoor scene. Resistance to resistance, can resist different environment, waterproof performance is good. Suitable for car batteries, car, RV, boat, ship, aircraft, satellites, space stations, outdoor breeding, planting, tourism, solar street lamp. Specification: Optimum power : 152W ± 0.25W Working voltage: 18.1V±0.3V Working current : 8.1A ± 0.15A Short circuit current : 8.3A ± 0.15A Open circuit voltage: 21V±0.8V Temperature coefficient Voltage: (0.065±0.015)%/°C Temperature coefficient current: -(160±10)mA/°C Temperature coefficient power: -(0.5±0.05)%/°C Maximum system voltage: 1000V Operating ambient temperature: -40°C - +85°C (-40°F to 185°F) Wind resistance: 50psf (2400 pascals) Snow resistance: 113psf (5400 pascals) Hail impact: 25mm (1 inch) at 23 m/s (52mph) Size:92.5 x 67 cm / 36.42 x 26.38 inch (appr.) Package List: 1 x Flexible Solar Panel 1 x Controller 1 x 10M Extension Cable Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .