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More Efficient ETFE Technology – ETFE (Ethylene Tetrafluoroethylene) is a new technology with a light transmittance of up to 95%. There are regularly arranged bumps on one side, a beam of light can be propagated and refracted many times, and the higher efficiency can be converted into electrical energy.
Safe and Practical – Built-in blocking diodes can prevent reverse charging and safely charge and maintain 12V batteries. A set of 3 cables included with the product will fit most 12V batteries.