30W 12V Solar Panel Kit, Monocrystalline Solar Battery Trickle Charger Maintainer + Upgrade 10A MPPT Charge Controller + Adjustable Mount Bracket for Car, RV, Boat, Motorcycle, Gate Opener

The Kit comes with everything you need. I had been using an expensive mains battery charger this would only just keep the battery to 12.v. The solar panel works well either on sunny or cloudy days and is maintaining the battery at 13.33v. I have just laid it at a slight raised angle on the caravan roof. Just outside the front Hecky window. You will see from the picture there is sufficient wire already attached on the Solar panel for it to reach the Solar panel controller. The other is attached to a wire I aleady had fitted direct to the battery. It is keeping my battery charged and keeping the alarm battery charged, In the photo you see the three lights. Red its Charging. Blue its connected to the solar panel. Green, it shows my battery charged. When you first connect all three light s flash for a second. If there is sufficient light the blue and red light illuminate. When the solar panel has charged the battery, the green light will then illuminate. When there is insufficient light to charge, from the solar panel all lights go out. A worthy 5 star.

The item looks good. Feels sturdy and was well packed for delivery. Having had it only a few days, I've not been able to install and test it yet (these request to review emails are sent out too soon in a lot of cases) so can't yet comment on efficiency. Appears easy to install and, if it meets my needs - keeping caravan battery topped up - good value for money.

This is brilliant! It charges the starter battery for my canal boat. I used to charge the battery by running the engine, and the battery was always low (around 12.2) now the battery is charged by the sun and in a much better state (12.7), the trickle charge holds well.this was extremely easy to fit and has been a great buy, well worth the money to keep my battery charged when I’m not going anywhere

unfortunately I'm waiting for a sunny day and the last sunny day was when this product arrived. Sadly it arrived too late in the day to test properly. So these are my initial impressions of the product so far.I have tested the product on a cloudy day and it seems to be supplying power to my generator perfectly fine. due to this, I do believe it'll work really well on a bright sunny day.Good points so far:The product itself is quite sturdy an well put together, with corner protection. The product comes with a variety of cables, that can power various brands of power generators. I got mine for the Ecoflow River 2, the xt60 connector works fine. The device comes with a lovely carry bag, with a pouch for all the accessories.Bad points So far:the product does come with metal kickstands, however they are shoddily attached to plastic hinges, that have a large blob of glue placed around it. unfortunately one of my kickstands were broken, upon opening the product. (refer to photo). Now I personally don't care too much, if the product outputs the correct amount for the products power ratings. As I could just glue this down to fix it myself (better than having to return the product). But this is a slight annoyance.Update:Sunny day (winter sun):been testing this for a while now, when it gets sunny. so far I've had a range of 49-63W in direct sun light. When you get a charge of these levels, the power draw is fairly consistent. I monitored the solar wattage for 3 hours and it was on 63-62W all that time. The only problem with the winter sun ATM, is that the sun is still low. This mean that I have to prop the solar panel on something, for a much higher angle. The kickstand doesn't go high enough for the full potential of a winter sun. left on the kickstand height I was getting 51W, proping the panel onto something for a better angle. Gave me the constant 63W.From these test I'm fairly confident that the summer sun, will produce a lot more Watt's. Overall I'am happy with the product, just a little annoyed with the state of the kickstand...

Great for both beginners and pros.

Thin and cheap but does work. Cable length and bit short. Not sure how weather resistant it will be or how robust. Bought it to top up battery in my campervan but not convinced it will last that long.

Ineffective, it’s not working/charging and there’s no warranty in place.

Looks like a good quality product. Very easy to install. Charges the car battery correctly and disconnects from the battery at night to prevent battery discharge. I would recommend this product.