40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging

$71.99

  • Monocrystalline silicon cells deliver 23-24% conversion efficiency
  • IP65 waterproof rating handles rain and dust during travel
  • Dual USB ports and DC output charge phones and car batteries
  • Compact 280x280mm footprint fits easily on dashboards or roofs
  • 30A automatic voltage controller manages 12V and 24V systems

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40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging
40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging
$71.99
Specifications
Dimensions31 × 31 × 4 cm
Weight0.69 kg
Delivery & Returns
  • Delivery is priced by postcode: enter yours at checkout to see the cost.
  • Ships from an overseas warehouse: usually 7-15 business days.
  • Change-of-mind returns within 14 days on unopened eligible items (10% restocking fee; you pay return postage). Faulty or wrong items are always put right, free. Returns policy

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14-day returns on eligible items
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01PORTABLE SOLAR PANELS

Flexible Power for the Open Road

Resting lightly against a vehicle roof or a camping table, this compact panel turns direct sunlight into usable energy without the bulk of rigid modules. Its flexible construction allows it to conform to curved surfaces, maintaining a low profile while working.

The kit pairs the panel with a 30A charge controller, managing power flow for 12V or 24V batteries. It suits drivers, campers and anyone needing reliable off-grid charging for mobile devices and small appliances.

40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging
40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging

02MATERIALS

Durable Monocrystalline Silicon Construction

Built from high-quality monocrystalline silicon, the panel achieves a conversion rate between 23 and 24 percent. This material choice ensures sensitive response to light and durable performance over time. The IP65 waterproof rating protects internal components from dust and water jets, making it resilient in varied weather conditions.

40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging

03IN USE

Efficient Charging for Mobile Devices

Positioned in sunlight, the panel outputs DC 18V and 9V alongside USB 5V power. Dual female USB ports allow simultaneous charging of phones, MP3 players or other controlled devices via standard cables. The system supports direct charging, eliminating the need for intermediate storage when power is immediately required.

40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging

04PRACTICAL DETAILS

Compact Dimensions and Weight

The panel measures approximately 280 by 280 millimetres, weighing around 577 grams. The accompanying controller is 133 by 68 by 35 millimetres. Together, they form a lightweight kit that packs into a carton measuring 31 by 31 by 4 centimetres, totalling 0.69 kilograms including packaging. This portability simplifies transport for cycling, hiking or mountaineering.

05COMPATIBILITY

Automatic Voltage Management for Vehicles

The included 30A charge controller automatically detects whether the battery bank is 12V or 24V, adjusting output accordingly. With a rated current of 30A and standby current management, it safely regulates power for automobiles, RVs, ships and even satellites. This adaptability makes it suitable for diverse electrical systems found in both land and marine environments.

40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging
40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging

06AT A GLANCE

The key points

  • Monocrystalline silicon cells deliver 23-24% conversion efficiency
  • IP65 waterproof rating handles rain and dust during travel
  • Dual USB ports and DC output charge phones and car batteries
  • Compact 280x280mm footprint fits easily on dashboards or roofs
  • 30A automatic voltage controller manages 12V and 24V systems

07

About this product

1, Used to charge MP3 mobile phones, mats or other controlled devices. With dual female USB ports, you can easily charge the device through a USB charging cable. 2, Suitable for car batteries, automobiles, RVs, ships, airplanes, satellites, space stations, outdoor breeding, planting, tourism, solar street lights. 3, Constructed with high‑quality materials, environmentally friendly, IP65 waterproof, durable and sensitive, good applicability. 4, Lightweight and portable, easy to carry. Suitable for outdoor cycling, mountaineering, hiking, camping, tourism, etc. 5, High conversion efficiency, good output efficiency, you can put the panel out in the sun and use it to charge the device directly.

Please allow 1‑2in error due to manual measurement. Thanks for your understanding.

Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Specification

​Item Type: Solar Panel Kit

Material: Monocrystalline Silicon

Color: As shown in the picture

Product Size: Approx. 280x280mm / 11.02×11.02in

Controller Size: Approx. 133x68x35mm / 5.24×2.68×1.38in

Weight: Approx. 577g / 20.4oz

Power: 40W

Open Circuit Voltage: 18V

Short Circuit Current: 2A

Output Voltage: DC 18V&9V, USB 5V

Waterproof Rating: IP65

Conversion Rate: 23-24%

Controller Parameters:

Controller Rated Current: 30A

Voltage: 12/24V automatic

USB Voltage: 5V 2A

Standby Current: <10mA

Package List

1 x Solar Panel

1 x Controller

1 x Crocodilian Clip

4 x Suction Cup

1 x Connection Line

2 x Chinese and English Manual

Note

Without power storage function.

40W 18V Monocrystalline Silicon Flexible Solar Panel with 30A Solar Charge Controller for Car RV Charging

Additional information

Weight 0.69 kg
Dimensions 31 × 31 × 4 cm

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