15W 4 Panel 5V 12V Solar Panel Car Battery Charger and Maintainer with USB DC Chain Output Ports, Portable Power Trickle Charger for Car Boat RV Laptop Sports Camera and 5V (4)

Features: [Parallel connection]: This product can support high current fast charging, and can be used in parallel with up to 5 solar panels. Multiple solar panels are connected in parallel to DC5521 port to increase output power [Integrated intelligent charging chip]: Built in PWM circuit scheme, no need for controller to convert voltage, direct use [Intelligent conservation]: Built in charging microprocessor, improved charging algorithm, can provide overvoltage conservation, overcharging conservation, short circuit conservation, etc. It can prevent reverse charging and can be safely used for charging and maintenance of 12V batteries. [Product Usage]: Charging devices such as mobile phones, mobile power supplies, and automotive batteries [Widely used]: The accompanying 3-piece SAE cable kit is plug and play and can be used in cars and 12V batteries. Equipped with hooks and suction cups, it can meet your different installation needs. Applicable to] Kind reminder: This product uses monocrystalline silicon material, which increases the photoelectric conversion efficiency by about 21.5% compared to polycrystalline silicon. It has high conversion efficiency and generates more electricity in sunny environments than polycrystalline silicon; When multiple 2 or more solar panels are used in parallel, there may be a difference of approximately 5% in power output, which is a normal phenomenon! Specifications: Solar cell material: High-efficiency monocrystalline silicon Solar panel power: 15W/panel USB output port: 5V 2A Max DC output port: 12V 1.25A Max Working voltage of solar panel: 12V Open circuit voltage of solar panel: 14.4V Packaging material: PET+EVA+TPT Solar panel size: 320*275*3mm Packing list: 1* Solar Panel 1* 1.5M DC5521 Cable 1* Car charger cable 1* Alligator clip 2* Buckle

• Wide Applicability: Compatible with cars, boats, RVs, and automotive 12V batteries. This portable charger also powers 5V devices including mobile phones, laptops, and sports cameras. Please verify your device interface and voltage requirements before use.
• Parallel Expansion Support: Increase your total output power by connecting up to five solar panels in parallel using the DC5521 port. This configuration supports high current fast charging to keep your batteries and electronics powered up efficiently.
• Integrated Intelligent Chip: Features a built in PWM circuit scheme and charging microprocessor that eliminates the need for an external controller. The improved charging algorithm converts voltage directly for a streamlined and efficient power supply.
• Advanced Safety Features: Provides comprehensive protection against overvoltage, overcharging, and short circuits. The system prevents reverse charging to ensure safe operation while acting as a reliable 12V battery maintainer and trickle charger.
• Complete Installation Kit: Includes a 3 piece SAE cable kit for easy Plug and Play operation. This solar panel comes with hooks and suction cups to provide flexible mounting options for various automotive and marine environments.