1 / 4Hover to zoom · click to enlarge300W Slim Kit - 3 x 100W Slim Panels + 30A MPPT Controller
Ships from Rich Solar's U.S. warehouse
- Free shipping, no minimumTo the lower 48 states and Washington, D.C.
- Authorized Rich Solar dealerFull manufacturer warranty and support.
- 25-year panel output warranty10-year panel workmanship, 2-year MPPT controller.
- 30-day returnsOn new, unused items.
Shipping & handling
- Orders are processed within 1–3 business days.
- Parcel items typically arrive 3–7 business days after shipping. Freight items (panels, batteries, inverters and kits) typically arrive 5–14 business days after shipping.
- Rich Solar and SunGoldPower products ship free to the lower 48 states and Washington, D.C., with no minimum. Lensun shipping is based on weight and shown at checkout.
- Freight deliveries need an appointment and a signature, and are delivered curbside.
Returns & refunds
Request a return within 30 days of delivery. Items must be new, unused, not installed, and in their original packaging.
- Contact us first for a Return Merchandise Authorization (RMA). Returns sent without one are refused.
- For a change-of-mind return, you pay return shipping and a 15% restocking fee is deducted from your refund.
- Damaged on arrival? Report it within 3 business days of delivery and we arrange a replacement or full refund.
Warranty
Rich Solar's warranty page covers rigid solar panels with a 25-year power output warranty and a 10-year workmanship warranty, prorated after the first three years. MPPT charge controllers carry a 2-year prorated warranty.
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A 300-watt slim-panel solar kit for RVs, vans, trailers and boats
The 300W Slim Kit pairs three 100W, 12V MEGA 100 SLIM ONYX panels (RS-M100SLB) with a BRAVO 30 30A MPPT charge controller (RS-MPPT30PB). Rich Solar estimates about 1.1kWh of energy per day under 4 peak sun hours, and the slim profile suits compact rooftops.
A 30 ft solar cable set, 10 ft battery cables, three sets of Z-brackets and a 10A inline fuse holder come in the box. The BRAVO 30 tracks at up to 99.5% efficiency, detects 12V or 24V systems and shows live data in the RICH SOLAR app. Battery and inverter are not included.
300W slim solar array
Three 100W MEGA 100 SLIM ONYX panels produce approximately 1.1kWh of energy per day under 4 peak sun hours, and their space-saving profile suits compact rooftops.
- Each panel 50.0 × 15.8 × 1.2 in, 12.4 lb
- N-Type TOPCon cells, up to 25.1% cell efficiency
- Three sets of mounting Z-brackets included
BRAVO 30 MPPT charge controller
The BRAVO 30 regulates charging from the panels to the battery with up to 99.5% MPPT tracking efficiency and up to 98% conversion efficiency.
- Auto-detects 12V or 24V systems
- LFP, AGM, gel, flooded and other battery types
- LCD display and Bluetooth via the RICH SOLAR app
- Override function wakes BMS-protected lithium packs
Installation accessories included
Pre-assembled cables and connection accessories come with the panels and controller for quick installation.
- 30 ft 10 AWG solar cable set, panels to controller
- 10 ft 10 AWG battery cables (red, black)
- Three sets of 4 mounting Z-brackets
- 10A inline fuse holder
Panels wired in series
Rich Solar's diagram wires the three slim panels in series, through the 10A inline fuse, to the 30A MPPT controller and on to a 12V battery.
- Battery and inverter not included
- Optional 30A ANL fuse between controller and battery
Specs, images and product claims on this page come from Rich Solar's 300W Slim Kit product page, July 2026 MEGA 100 SLIM and August 2026 BRAVO spec sheets. Last checked Oct 30, 2026.
Specifications
From Rich Solar's published specifications for model RS-K300SL.
Kit
| Solar array | 300W (3 × 100W slim panels) |
|---|---|
| Nominal panel voltage | 12V |
| Estimated daily energy | Approx. 1.1kWh at 4 peak sun hours |
| Charge controller | BRAVO 30 30A MPPT (RS-MPPT30PB) |
| Solar cables | 30 ft 10 AWG set, panels to controller |
| Battery cables | 2 × 10 ft 10 AWG (red, black) |
| Mounting | 3 sets of 4 Z-brackets |
| Fuse | 10A inline fuse holder |
Solar panels
| Panel model | MEGA 100 SLIM ONYX (RS-M100SLB), × 3 |
|---|---|
| Maximum power (Pmax) | 100W each |
| Max power voltage (Vmp) | 19.6V |
| Max power current (Imp) | 5.10A |
| Open circuit voltage (Voc) | 23.6V |
| Short circuit current (Isc) | 5.38A |
| Cell type | N-Type TOPCon, up to 25.1% cell efficiency |
| Module efficiency | 19.7% |
| Dimensions (each) | 50.0 × 15.8 × 1.2 in (1270 × 400 × 30 mm) |
| Weight (each) | 12.4 lb (5.6 kg) |
Charge controller
| Controller model | BRAVO 30 (RS-MPPT30PB) |
|---|---|
| System voltage | 12V/24V auto-detection |
| Rated charge current | 30A |
| Max PV open-circuit voltage | 100VDC |
| Nominal PV power | 500W (12V), 1,000W (24V) |
| MPPT tracking efficiency | ≥99.5% |
| Conversion efficiency | Up to 98% |
| Battery types | LCO, LFP, LTO, crystal, gel, AGM, flooded, calcium, custom |
| Monitoring | LCD display, Bluetooth (RICH SOLAR app) |
| Dimensions / weight | 7.0 × 5.5 × 2.9 in, 1.8 lb |
Warranty & model
| Panel warranty | 25-year power output, 10-year workmanship (prorated) |
|---|---|
| Controller warranty | 2-year (prorated) |
| Model / SKU | RS-K300SL |
What's in the box
Package contents as listed by Rich Solar.
Documents & certificates
Official files from Rich Solar.
Customer reviews
Reviews from Sun Energy Depot customers, collected by Judge.me.
Pairs well with
Other parts you may need for a 300W Slim Kit setup.
