ECO-WORTHY ???????????????????????? 7.5W Solar Car Battery Charger Maintainer 12V Waterproof Solar Panel Portable Solar Trickle Charger f

4.5 4.5 out of 5 stars | 78 ratings

Price: 25.99

Last update: 12-23-2024


About this item

[Upgraded Smart Charger Controller] The smart charger controller built into the solar panel has six protection functions: over-temperature protection, prevention of reverse discharge, short circuit prevention, prevention of reverse polarity and over-charging protection. Meanwhile the built-in blocking diode plays an important role in blocking reverse current flow.
[Real-time monitoring] The LED indicator has three display states, half lit means charging, blinking means fully charged, and off means no input or no battery connected. When fully charged, it will automatically cut off charging, effectively preventing the battery from being overcharged.
[Stronger and More Durable]After rigorous testing, the A+ grade monocrystalline silicon wafers have a conversion efficiency of up to 23% to maintain a consistent output of 7.5W. The glass fibre surface is highly resistant to the environment, with IP64 waterproofing and UV protection.
[Easy to Install and Use]The Outdoor Solar Battery Maintainer is simple to install and easy to use, just directly connect the solar panel to the battery with alligator clips. The solar panel is bendable to fit windscreens and has a strong hold on the 4 PVC suction cups it is equipped with. Also, it's easy to carry outdoor and restore on your car. Dimension: 9.84*8.66*0.47in, 0.05lb
[Wide Application] The perfect charger/maintainer for any car, LiFePO₄, Lithium Ion, motorcycle, boat, tractor, ATV, farm equipment, and 12V batteries.

Product information


Top reviews from the United States

  • JeremyK
    5.0 out of 5 stars Nice upgrade
    Reviewed in the United States on November 8, 2024
    I used to have a couple of those old rectangular solar battery maintainers laying around but couldn't find them. Instead of purchasing another one, for almost the same money as this item, I went for the upgrade. This panel provides more watts and comes with different SAE accessories which makes connection easy. I had to free up some space a shed and the lawn tractor had to find a new home outside under a cover. This will help ensure that the battery is ready to go in the spring. It saves the hassle of removing the battery from the tractor.
  • Frank
    4.0 out of 5 stars Nice Maintainer
    Reviewed in the United States on October 31, 2024
    On my initial use this solar charger is working great. The only issue is what other people have said, which is the suction cups that came with it have to be pushed through the holes in the panel, if you want this capability. I cut a small side off of the suction cup, otherwise they would not go through the hole.
  • Camper Van Beethoven
    5.0 out of 5 stars Works fine but make sure your cig lighter is connected when ignition is off.
    Reviewed in the United States on November 16, 2024
    Received this but discovered both of my cigarette lighters are disconnected when the ignition is off, making using this much more difficult.
  • Mark Costello
    5.0 out of 5 stars It worked well
    Reviewed in the United States on October 28, 2024
    Kept the battery charged like it was supposed to,
  • Scott Macdonald
    5.0 out of 5 stars Simple and useful
    Reviewed in the United States on June 14, 2024
    I bought this to keep my riding lawnmower's battery charged between uses. It is exactly what I need. Completely automatic and dead simple to use - no buttons, knobs or switches - just clip it on.

    Monitoring it on a succession of sunny Northern California days, the voltage varied from 19.2-19.9v and the current ranged from an initial 0.36A to 0.22A over 5 days, supposedly being reduced by the charge controller as my battery reached full charge. These closely match the documented specs.

    All in all, a fine product priced to give great bang for the buck.
  • dana berndt
    4.0 out of 5 stars Seems to work
    Reviewed in the United States on November 9, 2024
    I have 2 batteries holding charge
  • Suzie
    3.0 out of 5 stars Great Size
    Reviewed in the United States on June 26, 2024
    This is a great-sized panel and light-weight. It is quite thin. You could carry it in your backpack. Comes with a cigarette lighter adapter and two clamps.

    It charges and does the trick, but it is a bit slower on the charge than other panels I have.
  • My nuz
    5.0 out of 5 stars Seems to work well
    Reviewed in the United States on September 11, 2024
    Bought two of them for the batteries on my pontoon boat seem to be working well

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