The Renogy 600W 12V Off-Grid Kit with flexible panels (RKIT600RT-D50DB3) pairs three 200W flexible solar panels with Renogy's 50A DC-DC on-board battery charger with MPPT. The panels lie nearly flat at 0.1 inches thick and weigh 10.8 lb each, and the charger pulls from both your solar array and your vehicle's alternator, so the house battery charges while you drive and while you are parked in the sun.
Who This Kit Is For
This kit is built for vans, RVs, and boats where standard rigid panels are a poor fit: curved roofs, pop-tops, weight-sensitive fiberglass, or rigs where low profile matters for clearance and stealth. The dual-input DC-DC charger makes it a strong match for vehicles that move regularly, since alternator charging covers the days the sun does not. Batteries and an inverter are not included, so budget for those separately. If your roof is flat and can take drilled mounts, the rigid-panel version of this kit costs less per watt of durability; flexible panels trade some efficiency (16.7% vs 20.7% module efficiency, per Renogy) and a shorter workmanship warranty for weight and form factor.
Key Features
- Three 200W flexible panels, each 63.2 x 29.4 x 0.1 in and 10.8 lb, per Renogy, roughly half the weight of comparable rigid panels
- 50A DC-DC on-board charger with MPPT accepts solar and alternator input (up to 660W per Renogy) and charges the house battery from either source
- Connects solar array, starter battery, and house battery in one charging system, per Renogy
- 94% charging efficiency and support for AGM/SLD, gel, flooded, lithium, and user-defined battery profiles, per Renogy
- BT-2 Bluetooth module included for monitoring in the Renogy app
- Wiring, fusing, and a double cable entry gland included for a clean roof penetration
- Panels carry a 5-year material and workmanship warranty and 25-year power output warranty, per Renogy's datasheet
Why Renogy
Renogy has supplied off-grid and vehicle solar equipment since 2010, with published datasheets, manuals, and app support that make DIY installs realistic. Components in this kit are pre-matched by Renogy, which removes the guesswork of pairing panels, charger, and fusing yourself.
What's In the Box
Per Renogy's packing list for this configuration:
- 200W flexible solar panel x 3
- 50A DC-DC on-board battery charger with MPPT x 1
- Solar Y branch connectors (MMF + FFM pair) x 1
- 20 ft 10AWG solar adaptor kit x 1
- 8 ft 4AWG tray cables x 1
- Double cable entry gland x 1
- 20A connector in-line fuse holder with fuse x 3
- 2 ft 4AWG ANL fuse cable x 1
- 60A ANL fuse set with fuse x 1
- BT-2 Bluetooth module x 1
Batteries, inverter, and mounting adhesive/fasteners for the flexible panels are not included.
Specifications
All specifications per Renogy.
| Array size |
600W (3 x 200W flexible panels) |
| Panel dimensions |
63.2 x 29.4 x 0.1 in each |
| Panel weight |
10.8 lb each |
| Module efficiency |
16.7% |
| Panel electrical |
Vmp 20.1V, Voc 23.9V, Imp 10.02A, Isc 10.74A |
| Panel operating temperature |
-40°F to 176°F |
| Charger |
50A DC-DC on-board battery charger with MPPT, 12 VDC system |
| Max solar input |
660W at 50A |
| Alternator input |
660W at 50A |
| Charging efficiency |
94% |
| Battery types |
AGM/SLD, GEL, FLD, LI, USER |
| Charger dimensions / weight |
9.61 x 5.75 x 3.78 in / 4.10 lb |
What Will It Run?
Flexible panels usually mount flat to the roof, which costs some harvest versus tilted panels. Using conservative assumptions (4 peak sun hours, 30% derate for flat mounting, heat, and wiring):
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Daily solar harvest: 600W x 4 h x 0.70 = roughly 1,680Wh per day, before any alternator charging.
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Typical van day: 12V compressor fridge (about 45W average, roughly 1,100Wh/day) + vent fan (30W x 8 h = 240Wh) + LED lights (50Wh) + laptop and phones (about 200Wh) = roughly 1,590Wh. That fits inside the solar estimate on a decent day, and driving tops up the difference: an hour of alternator charging at even 40A adds roughly 500Wh.
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Battery sizing: to ride out a dark day, size the house bank near your daily use; about 150Ah at 12V covers the example above with margin.
These are estimates with stated assumptions; output varies with season, latitude, roof angle, and shading.
Warranty & Support
Per Renogy's datasheet, the flexible panels carry a 5-year material and workmanship warranty and a 25-year power output warranty; other components are covered under Renogy's published limited warranty terms. OffGrid Horizon is a family-owned authorized Renogy dealer; we register the sale properly and handle any warranty claim with Renogy for you. Call (302) 496-3554.
Shipping
Ships within the United States. This kit ships in multiple cartons (panels and components are boxed separately) that may arrive on different days. Check contents against the packing list above on arrival and call us at (302) 496-3554 if anything is missing or damaged.
Frequently Asked Questions
Can I add a fourth panel later?
Not on this charger. The 50A DC-DC charger's solar input tops out at 660W per Renogy, and the included 600W array already uses nearly all of it. If you expect to grow past 600W, plan around a higher-capacity MPPT controller instead.
Batteries are not included. Which should I pair?
The charger supports lithium profiles, and one Renogy Core 12V 300Ah self-heating LiFePO4 (about 3,840Wh) covers roughly two days of the example loads above, with self-heating for sub-freezing charging.
Does this charge from my alternator while driving?
Yes. That is the point of the DC-DC charger: it connects to the starter battery circuit and the solar array, and charges the house battery from both, per Renogy. Confirm your alternator has capacity to spare; smart/variable-voltage alternators are supported via the charger's settings per the Renogy manual.
How do the flexible panels mount: adhesive or screws?
Renogy's manual covers both approaches (perimeter fastening through the grommets or bonding with a suitable adhesive/VHB system). Neither adhesive nor fasteners are included, and flat, well-supported mounting with airflow consideration matters for panel life, so follow the manual closely.
Roof mount or ground deploy?
These panels are meant to be fixed to a vehicle or structure surface. If you want panels you can chase the sun with, a portable suitcase panel is the better tool; see our Renogy collection.
Is an inverter included?
No. DC loads (fridge, fans, lights, USB) run straight off the battery. If you need 120V AC outlets, add a pure sine wave inverter such as the Renogy REGO 3000W 12V inverter charger, sized to your largest AC load.
Why choose flexible over rigid panels?
Weight and shape. At 10.8 lb each and 0.1 in thick they suit curved or load-limited roofs. Rigid panels are more efficient per square foot and carry a longer workmanship warranty, so choose rigid if your roof allows it.
OffGrid Horizon is family-owned and an authorized Renogy dealer. Send us a photo of your roof and your load list at sales@offgridhorizon.com, or call (302) 496-3554, and we will sanity-check the layout before you buy.
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