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Review on ⚡ Efficient 20W Solar Panel Car Battery Charger: Portable, Waterproof, Ideal for Car, Boat, RV | POWISER by Matt Simpsons

Revainrating 1 out of 5

Perfect fit for the car

I bought this hoping there would be something to keep the battery charged during the winter months. Not only was it easy to plug in, but I now have a full battery just by putting it in the window. The solar panels themselves are well made and housed in plastic, so they're really protected from cracking. The well-made battery connections are also worth mentioning.

Pros
  • Quality construction
Cons
  • Security