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C&G Portable 40-watt Solar Panel Charger

Today: $179.99
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ITEM# 13989160

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ITEM#: 13989160

  • Materials: Mono-Crystalline 40-watt portable solar charger
  • Capacity: 40W
  • Design: Foldable
  • One (1) solar charger panel
  • One (1) MPPT charger controller
  • One (1) car battery cable
  • 16.5 percent conversion rate
  • Shelf-life: 10 years
  • Open dimensions: 1 inch high x 24 inches wide x 29 inches long
  • Folded dimensions: 2 inches high x 10 inches wide x 12 inches long
  • Model: CG-40W


Dimensions See description
Warranty 1 year Limited Distributor
Materials See description
Model Number MOS40C002

Customer Reviews

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1 Stars
  • Great folding solar panel for DIY

    Note: I've only tested and used the fold-up panel itself and not the charger that comes with it. Voltage and current specifications were missing from the product site, so I took a chance on this 40 watt fold-up panel. I tested the open circuit in full sun with a multimeter and the measurements added up so I even ordered a second one! As I mentioned above, I haven't used the MPPT battery charger. These panels are for recharging my offroad vehicle's auxiliary battery when camping and I already have a high-end battery charger. Hence the intended purpose, having 40W of PV that can fold into the size of a ream of paper is great!

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Questions & Answers

Get your product questions answered right here.
  • Can you charge smaller electronics directly? What is best wat to accomplish this?

  • The wires do not seem long enough to have the solar panels away from the battery. Are there sources for additional length of wire so panels can be 6 -12 ft away?

  • Which lead do you hook up from the charge controller to the battery? What does it mean when the green light is flashing on the charge controller?

    • The positive/negative hook to the battery. These are the clips which then connect to the panel-battery pack. The flashing green light indicates the item is charging.

    • The flashing green light means that the item is being charged.

    • 1. MPPT Controller has printed marks on two sides- show Battery & Solar Panel respectively. Two leads come out from Printed Battery mark - where the Battery connect to. One lead come oout from Solar Panel-where the Solar panel connect to. Need to Connect to Battery first, then connect to Solar panel. order reversed may cause damages the electronic. 2. MPPT controller IC has 4 charging Modes. Pre-Charge mode-- red flash voltage < 10.5V CC mode (constant Current)-- red CV mode ( Constant voltage)--red floating mode-- green flash C&G 96W (12Vx8Ah) lithium Battery fully charged at 12.6V, Car Battery fully charged at 13.8V.

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