Renogy 400 Watt 12 Volt Premium 4 Pcs 100W Panel+40A MPPT Charge Controller+ Bluetooth Module Fuse+ Mounting Z Brackets+Adaptor Kit +Tray Cables Set, 400W, Grid 12V Solar Power System

These are infinitely better than expensive grid tie arrays. Easy install just plug and play. Ive actually got 700 watts up in series-parallel. My roof pitch faces east and west so I have 3 to catch the morning sun and 4 to catch the afternoon sun. Working great the voltage is about maxed out around noon in the summer but I think the mppt keeps it low enough. Got it hooked up to a 400ah battery. Powers a 6000btu window ac all day or a 500 watt space heater for several hours a day in winter. Also have a charging station and wifi it runs. Electric bill is $100 less per month. The mppt is really great. It will charge even on the cloudiest days. Very handy during 2 power outages already. For the money the value is unbeatable.

Renogy, the name in serious solar! Renogy was my gateway into hobby solar. I started with this 400 watt kit as an entry level, but it seriously was more than I expected. My batteries charge quickly and are very happy. It's currently deployed in a garden shed for tool battery charging and for exterior lights. Installation was easy. Setup was a breeze. The app leaves a little more to be desired but it's informative and easy to use. The built in functionality will keep you engaged. With little sun exposure on cloudy days, these small panels are rocking and still providing enough amps to keep the batteries happy. The cables included in this kit are of high quality. Mounting the controller was easy. The kit came with temp sensor and Bluetooth module which is great. When the panels are completely exposed to the sun, I taken my batteries from nearly dead to full charge in a few hours while using them for gardening. If you're looking for a hobby system for home use, a small system for off-grid applications, look no further! This is your last stop.

They have saved us so much, we use them every time we go to our land and they charge our rv... we have had them for 5 years now and we only had to fix one wire connector to one pannle when we pulled it a little to far when moving them. Great product, id buy again.

Installed on a trailer roof to keep battery charged and inverter working. Works great but solar panels aren’t great quality but do work fine. Just very light

This is my second purchase of these panels, the first a year ago. They are super easy to install on an RV. The panels and mounting brackets are set up for mounting 16", 24", and a couple of other spans on center. The charger now comes with mounting feet. The panel cables are about 12' long, and the battery charging cables are 6'. With these two units, I have no problem keeping 3 200Ah batteries charged after running AC all night for 12 hours. Pick up a tube of 100% silicon and an exterior junction box if you don't have an entry point through your roof.

Awesome kit! Easy enough to install.

First I want to make it clear that the panels and charge controller work fine. I have bought the same panels and controller before and they have worked without issues for several years now.My biggest problem and irritation are.1. The cables pictured are color coded, the cables received are all black. Making it very likely that the cables could be installed in reverse order, damaging equipment in the process.2. The adapters that come with the kit to connect the solar panels together can’t be used to connect all 4 panels together, they don’t have any extra cable length. Mounting the panels side by side the cables don’t reach. I had to order a separate cable to get all the panels to work.3. It comes with a 10 AMP fuse that is only good for 1 panel. If you put the fuse in line with the main cable the fuse will instantly fail.4. I called Amazon to get a replacement fuse, I was told that the only thing that they could do for me is issue a refund for the whole kit after they receive it. Seriously??!!! After hours of installation they expect you to remove everything and send it back!! What a joke.A kit is supposed to come with everything needed for a successful installation. This kit fails short of that expectation. You don’t get what is pictured and expected. The fuse is underrated for the application. The adapters can’t be combined as expected.Amazon expectations that if something fails or is defective you have to send everything back, wait for the item to arrive and hopefully Amazon approves your refund is with out a doubt the worst policy a company can have.Be warned, if something fails you are on your own, you either pay for it out of your pocket or order a whole new kit, take the parts that fail and send everything back.Good luck, you will need it.

So far it’s working great. I put the panels in parallel.