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

Revainrating 1 out of 5

A reliable way to keep your battery charged.

I parked my car all day in sub-zero temperatures and when I went out to start the car that evening the battery was 95% charged. (very impressed) The only downside is that the included suction cups don't like cold weather and they detach from the windshield after a day.

Pros
  • Easy to use
Cons
  • Something different