Review on 20W 12V Portable Solar Battery Charger & Maintainer - Intelligent Charge Controller, Automobile Car RV Compatible! by Vera Hernandez
Not as advertised. for my opinion
Nice packaging. Has nice long cord and three different connection options. But I ordered two of these to maintain lawn mower batteries over the winter, and when I connected them to two batteries. One was fully charged to 13.7 V and the other was not, at about 12.4 V.Both panels put out only 40 mA of current. At 5 Watts, they should have been putting out ten times that.
- White
- It may not charge some types of battery chemistry
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