Customer Reviews for VEVOR 20W 12V Solar Panel Battery Charger, Solar Battery Trickle Charger Maintainer with Built-in Smart Controller & 3 Connection Cables, IP67 Waterproof Portable for RV Car Motorcycle Boat Van Camper

Pour le bateau, plus besoin de charger la batterie avec un fil à l’avance, la batterie est toujours chargée

If you use the cigarette lighter to charge, you will want to check that it's wired correctly with the positive and negative. Otherwise it may not charge correctly. Works great otherwise. Charges my car battery very quickly. Very happy with the product. Just a setback with the lighter plug. Highly recommend it.

Panneau fonctionne correctement, voir dans le temps un trop souple semble fragile

Ce produit semble très bien convenir pour l'usage auquel il est destiné : Charger de petites batteries. Le produit est de bonne qualité (Visuellement) et est opérationnel. Son utilisation est très simple puisque il suffit de le brancher et de mettre le panneau au soleil . En revanche il ne semble pourvois changer pleinement de grosses batteries (Pour diésel) : il ne parvient pas vraiment au 100% Mais il n'est pas conçu pour cela ! Je met 4 * car il faut voir dans le temps !

Light and sturdy for its thickness, it does the job but it needs some light to get to charging voltage. Not so good: 12V plug comes with reversed wiring (the red + should go to the middle, the black - to the sides) so you need to do some soldering work, the voltage passes 15V a bit

Works great at a really good price.

Seems to work well. Output affected quite badly by shadow so needs to be in clear view of the sky. If your screen has a tint as is the case here in Florida, this causes a loss of output. In bright sunlight inside the front windshield I could get 0.5 amps. Free standing outside in the sun I easily got 1.3 amps so it will provide the rated output under the right conditions . The plastic suckers are ok but need totally clean glass to stick properly. For it's stated use as a battery maintainer covering a standard drain on my truck of around 80 mA it works well.

Light and good but pay attention to the 12V auto plug, it has reversed polarity so you need to change it if you want to use it - open it up and solder the red wire to the middle and the black one to the sides.

Good value, work great.

Work well for slow charging, but suction cup don't seem to work at all.