Generic 20W 12V Solar Battery Charger Maintainer with Solar Charge Controller Portable Solar Power Battery Charger USB+DC Outputs Monocrystalline Solar Panel Battery Charger for Car Boat Automotive RV

Specification:Origin: Mainland ChinaSolar panel power: 20WSolar cell: high-efficiency monocrystalline siliconSolar panel operating voltage: 18VSolar panel open circuit voltage: 21.6VOutput port: DC5521+USBUSB output: 5V 2.4A MaxSolar controller DC output: 12V 1.11A MaxSolar panel packaging material: PET+EVA+PCBSize: 420.00x280.00x3.00mm/16.54x11.02x0.12inch Note:Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!Please allow a 1-2 cm difference in measurements due to manual measuring.Package includes:1*Solar Panel1*12V Solar Controller1*1.5M DC5521 Cable1*Car Charger Cable1*Alligator Clip Cable1*O-Ring Terminal Cable4Pcs*Snap Rings4Pcs*Suction Cups

• Sturdy for Every Weather: With base plate and composite encapsulation process, our solar car battery charger resists aging and wear. Whether stored daily or exposed to outdoor sun, it won't easily deform or crack, offering a service life up to 15 years.
• Dual Fast Charging Capability: USB + DC dual output ports allow flexible switching on this solar battery charger maintainer. Charge phones and power banks at 5V/2.4A swiftly, while also supporting stable power supply to 12V batteries and car refrigerators.
• Smart Voltage Regulation: Built-in PWM solar controller in our portable solar power battery charger automatically adjusts the current and voltage, overcharge damage to lead-acid batteries. The stabilized circuit ensures consistent output even with sudden cloud cover.
• Easy Expansion for Efficiency: Through the DC5521 port, our monocrystalline solar panel battery charger can be parallel connected with multiple panels. A single 20W power is sufficient for daily needs, while connecting several enhances charging efficiency for large-capacity batteries.
• Space-Saving High Output: The solar panel charger kit uses a 420x280mm large monocrystalline silicon design, maximizing solar energy intake. Its 3mm thin profile packs conveniently into travel gear, delivering effective phone charging on sunny days.