JXWANG 20W Solar Panel，12V Solar Panel Charger Kit+8A Controller， Suitable for Automotive, Motorcycle, Boat, ATV, Marine, RV, Trailer, Powersports, Snowmobile etc. Various 12V Batteries. (20W Solar

Q: As soon as i connect to a car battery the lights turn off. When i disconnect it from the battery the charging lights come on on the controller.???

Mind did the very same thing. It end up being the wires coming from the controller to the battery. I ran the black wire from the controller to the plus side of the batter and the red to the negative. The green light turned off and the red light stayed on. I know the battery isn't fully charged, so I think the problem maybe solved.

Q: Is the controller waterproof &, therefore, can it be mounted exposed to the elements?

I can confirm that the controller is not waterproof. I have used it without incident for a year, then forgot and left it out in the rain. I can't revive it, even after cleaning the PCB with rubbing alcohol.

Q: Can other brand solar panels (2 x 20w) be joined with this one prior to the charge controller with the proper SAE pigtail?

Yes, you can do that. The total power of solar panels should be within 100w.

Q: Will this run and bank (recharge from night use) enough energy for my rv furnace and pump?

How much energy does your RV use in one night? The panel produces 20 Watts in strong sunlight, figure 5-6 hours of good sun in a day, that"s approx 100 watt hours of energy. if your RV uses more than that in one night, the answer is no. If it uses less than 100 watt hours, then the answer is yes

4.4/5

Product ID: 275757529

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Details

Brand
SOLPERK
Material
Glass
Product Dimensions
40"L x 13.2"W
Efficiency
High
Connector Type
USB

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Description

JXWANG 20W Solar Panel，12V Solar Panel Charger Kit+8A Controller， Suitable for Automotive, Motorcycle, Boat, ATV, Marine, RV, Trailer, Powersports, Snowmobile etc. Various 12V Batteries. (20W Solar

Specifications

Brand	SOLPERK
Material	Glass
Product Dimensions	40"L x 13.2"W x 1"H
Efficiency	High Efficiency
Connector Type	USB
Included Components	1 solar panel + 1 charger controller + 1 mounting bracket +1 alligator clips +2 screws
AC Adapter Current	4.4 Amps
Maximum Voltage	12 Volts
Maximum Power	20 Watts
Special Feature	High Efficiency Solar Panel, Smart Charge Controller, More Durable, Easy to Install & Angle Adjustable
UPC	674551501677
Manufacturer	SOLPERK
Part Number	20W Solar Panel
Item Weight	4.14 pounds
Item model number	20W
Is Discontinued By Manufacturer	No
Size	20W Solar Panel
Style	Modern
Shape	Rectangular
Power Source	Solar-Powered
Voltage	12 Volts
Wattage	20.00
Item Package Quantity	1
Number Of Pieces	1
Special Features	High Efficiency Solar Panel, Smart Charge Controller, More Durable, Easy to Install & Angle Adjustable
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

As soon as i connect to a car battery the lights turn off. When i disconnect it from the battery the charging lights come on on the controller.???

Is the controller waterproof &, therefore, can it be mounted exposed to the elements?

Can other brand solar panels (2 x 20w) be joined with this one prior to the charge controller with the proper SAE pigtail?

Will this run and bank (recharge from night use) enough energy for my rv furnace and pump?

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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