For a roof install, buy the Renogy 400W kit ($450-620): 400W is the size where solar covers a fridge and daily use, and the panels carry a 10-year warranty. If you are starting from zero with no battery or inverter either, the BougeRV system ($720-1000) is one box instead of four purchases. Scores weigh published specs, warranty, and price. We have not lab-tested these units.
Top picks
Top picks
These five are not the same product
"Solar kit" covers three different purchases here, and the prices only make sense once you separate them. The two Renogy kits are roof hardware: panels, a charge controller, brackets, and cables, with no battery and no inverter. The Jackery and EcoFlow are portable folding panels with no controller at all; they are built to plug into a power station and use its charging electronics. And the BougeRV is a complete system: panel, MPPT controller, a 100Ah lithium battery, and a 1,000W pure sine inverter in one order.
That is why comparing the BougeRV's $720-1000 against the Renogy 200W kit's $185-230 is meaningless. The BougeRV includes the battery and inverter, which is most of a system's cost. Priced as a whole first setup, it is fair. Priced as a "solar kit" against panel-only boxes, it looks expensive for 200W, and that comparison is wrong.
Kit or components?
A kit's case is convenience: the parts are matched, the connectors fit, and one order covers the roof side of the job. For a first install on a small rig, that is worth real money in avoided mistakes.
The case for buying components is control. You pick the controller (see the next section), you size the wire runs for your roof, and you leave room to grow. The controller is the part that stings later: a 30A unit bought in a 200W kit becomes the bottleneck the day you add panels. If you already know you will expand, price out components before defaulting to a kit.
PWM vs MPPT: what the cheap kits cost you
Both Renogy starter kits ship with a Wanderer 30A PWM controller. PWM works by pulling the panel down to battery voltage and discarding the rest of the panel's output; MPPT converts that extra voltage into charge current instead. On a 12V system the difference commonly runs 10 to 30 percent of harvest, and it widens in cold weather, when panel voltage rises.
On the 200W kit, PWM is a defensible trade: the kit is the cheapest path to real roof solar, and an MPPT version costs more. On the 400W kit it is harder to excuse. Losing 10 to 30 percent of a 400W array is 40 to 120 watts you paid for and do not harvest. Renogy sells MPPT variants at a higher price; do that math before checkout.
One more honest note on the 400W kit: the spec table on Renogy's own product page displays the wrong product entirely, so per-panel electrical specs are unverified. The kit-level facts here (panel count, controller, warranty) come from the rest of the page, but we could not confirm per-panel voltage and current figures from the manufacturer.
Portable panels are power station accessories
The Jackery SolarSaga 200W and EcoFlow NextGen 220W ship without a charge controller on purpose: they feed a power station's built-in MPPT input. Paired that way, the architecture is right, and the panels are well sealed at IP68. Trying to charge a standalone 12V battery bank with them means adding your own controller, at which point a rigid panel is cheaper per watt.
Between the two, the Jackery has the longer warranty (3 + 2 years against EcoFlow's 12 months) and built-in USB ports that charge a phone with nothing else in the loop. Ignore both list prices: the Jackery's $699 list was $379 the day we checked, and EcoFlow's own pages showed $399 and $279 at two different URLs, both pre-order. Judge them at street price, and confirm what you are actually paying for the EcoFlow before you order.
All five, side by side
| Renogy | BougeRV | Jackery | EcoFlow | Renogy | |
|---|---|---|---|---|---|
| Price | $450-620 | $720-1000 | $379-699 | $279-649 | $185-230 |
| Key spec | 400W / 30A PWM | 200W + MPPT + 100Ah battery + 1,000W inverter | 200W folding bifacial | 220W front / 175W rear | 200W / 30A PWM |
| Rated output | 400W | 200W bifacial rigid panel | 200W (bifacial) | 220W front, 175W rear (bifacial) | 200W |
| Panels | 4x 100W mono rigid | - | - | - | 2x 100W N-type mono rigid |
| Charge controller | Wanderer Li 30A PWM | Sunflow 30A MPPT with low-temp cutoff | None; uses your power station's MPPT | None; uses your power station's MPPT | Wanderer 30A PWM |
| Battery included | No | 12V 100Ah LiFePO4 | - | - | No |
| Inverter included | No | 1,000W pure sine with Bluetooth | - | - | No |
| Claimed daily output | About 2kWh/day | - | - | - | - |
| Warranty | 10-yr panels, 2-yr controller | - | 3 + 2 years | 12 months | - |
| Cell type | - | - | TOPCon, 25% conversion claim | TOPCon, 25% efficiency claim | - |
| Ingress rating | - | - | IP68 | IP68 | - |
| Direct charging | - | - | Built-in USB-A and USB-C | - | - |
| Cable | - | - | 3m with DC adapter | - | - |
| Connector | - | - | - | XT60i cable | - |
| Mounting | - | - | - | - | Z-brackets and cables included |
| Best for | A roof install sized for a fridge and real daily use | Starting from zero and wanting one purchase, not four | Power station owners who want a portable panel with a real warranty | EcoFlow power station owners who chase sun instead of mounting panels | A first roof install on a small rig with modest loads |
| Score | 7.6/10 | 7.4/10 | 7.2/10 | 6.9/10 | 6.6/10 |
Who should buy what
A roof install for a rig you live or travel in regularly: the Renogy 400W kit, with the MPPT upgrade if the budget allows. It is the size where a 12V fridge stops being a rationing decision.
Starting from nothing, no battery, no inverter, no strong opinions: the BougeRV system. It is the only complete package here, the controller is MPPT with a low-temp charging cutoff, and the pure sine inverter means household plugs work on day one. Its weak spot is proportion: 200W of panel is small for a 100Ah battery, so a heavy night of use takes a full sunny day to recover. Pair it with our lithium battery comparison if you decide to build instead.
Already own a power station: the Jackery, mostly on warranty. If you are deep in the EcoFlow ecosystem the 220W bifacial fits, but you accept the group's shortest warranty to get it. Either way you are shopping for a power station accessory, not an RV electrical system.
What we would skip
The Renogy 200W kit is only the right buy if your loads are genuinely light: lights, fans, and devices, no fridge. Through a PWM controller, 200W of panel yields something like 600 to 800Wh on a good summer day and much less in winter, and there is no headroom. Most people who start at 200W add panels within a year, and then the 30A PWM controller becomes the next purchase. If a fridge is in your plans, start at 400W, or run your loads through the solar calculator and let the number decide.
Size the array before you buy the kit
Watts only mean something next to your actual daily loads. Run your numbers first.
Open the RV solar calculator