ECO-WORTHY 25 Watts 12V Off Grid Solar Panel SAE Connector Kit: Waterproof 25W Solar Panel + Adjustable Mount Bracket + SAE Connection Cable +10A Charge Controller for Car RV Marine Boat 12V Battery

I had been using a mains battery charger to come on for an hour each day to charge the battery of my Jaguar XK8 in the garage, but didn't like the idea of it, so looked for a solar alternative. Have now used the panel for three weeks and it is superb, although we have had little sun, the battery shows a constant 12.8 volts all the time. The charge panel shows a solid green led, showing its charged. I put it onto a flat battery and the led blinks as it charges until it reaches 12 volts, then holds it at that. On the down side, the instructions are very basic, and the led unit, I had to put Velcro on the adhere to the wall as it does not have a fixing itself, and the panel itself has no holes so had to make my own brackets, but in operation its superb.

Solar panel and accessories arrived really quickly with no damage. Use the panel along with an inverter, 12v battery and remote gate receiver on the top of a hill to power open the gate with my cell phone using the house wifi. Our electric gate is "not line of sight" and below a small hill, so had to make a large wooden box to hold everything and put the 25w solar panel on top of the box to power the gate. Also have a wifi booster on the house with points toward the box about 150 feet away, and the box with solar, battery, inverter and remote receiver point toward the gate about 500 feet away. So far, the solar panel holds the battery at 13.0, and the gate opens and closes from the house even though I can't see it until I drive down and around the hill. Originally had a 10w solar panel, but it wouldn't hold the battery charge enough and without the battery being charged properly each day, the gate wouldn't open/close.

This appears to be good quality for the price. Very satisfying after plugging it in to see the included controller light up and start charging. I bought for a private aircraft to keep the expensive $800 aircraft battery topped up during the cold weather. It does recommend not placing it behind a window however I placed it flat on the dashboard in the windshield and it seems to work fine, maybe not optimal but it was charging and I don't have to worry about it being damaged in wind etc as it will be unattended in my case. The included alligator and permanent battery connections are a plus as are the cable lengths which were more that adequate for my use. I would recommend and if I have any issues - will update

This is a well put together kit. I've worked many decades with solar charging systems for remote environmental monitoring and this kit is easy to put together and good value. I pair it with a 7.5 Amp Hour sealed lead acid battery and 12 V LED RV dome lights to provide lights and phone charging for Cuban homes. Setting for the type of battery would be easier with a slide switch instead of sequential button pushing, but its OK.

bought this in 2019, £40, now its shot up in price. im running a 12v pond pump with this, it works very well.