Renogy 200W ShadowFlux Rigid Solar Panel (N-Type)

Short Product Summary

The Renogy 200W ShadowFlux is a rigid 12V roof-mount solar panel built around N-Type cells and Renogy's cell-level anti-shading circuitry. Where a conventional panel collapses the moment an aircon unit, aerial or thorn-tree branch throws a shadow across it, the ShadowFlux keeps working. It is the panel to fit when your caravan roof is busy and you cannot guarantee a clear, unshaded run of sun all day.

Why This Product

Anyone who has watched a solar controller on a caravan roof knows the frustration: the panel is in full sun at 10am, and by 11am the shadow of the aircon shroud or the awning rail has crept across two cells and the charge current has fallen off a cliff. That is not a fault, it is how ordinary panels are wired. A standard 200W panel has two bypass diodes, so shading a handful of cells can knock out a third or all of the module.

ShadowFlux changes the internal circuit. Renogy fits 28 bypass diodes instead of two, so current is routed around individual shaded cells rather than shutting down a whole string. In Renogy's own comparison testing, a 200W ShadowFlux panel still produced roughly 85% of its output with 10% of the panel shaded, where the traditional 200W panel it was tested against dropped to zero. The same design keeps heat out of the shaded cell, which is what causes hot spots and long-term damage on conventional modules.

For a South African caravanner that matters in three everyday situations: parking under a shade tree at a Karoo or bushveld camp, roof clutter throwing moving shadows, and dust or bird mess sitting on a couple of cells between washes. You also get the general N-Type advantages - better heat tolerance, which counts in a Kalahari summer, and better low-light performance early and late in the day.

Key Features

• 28 bypass diodes (cell-level shade bypass) – current is diverted around shaded cells instead of collapsing a whole string, so partial shade costs you a slice of output rather than all of it.
• Approximately 85% output with 10% of the panel shaded – Renogy's comparison test against a traditional 200W panel, which fell to zero under the same conditions.
• N-Type cells, 25% cell efficiency, 16 busbars – more watts per square metre of roof, and finer current collection that reduces losses around micro-cracks.
• Temperature coefficient of -0.27%/degC – noticeably less output lost to heat than typical P-Type panels, which is exactly what an SA summer roof does to a panel.
• Hot-spot resistance – shaded cells are bypassed rather than driven into reverse, so they do not cook themselves the way they do on a conventional module.
• IP67 junction box and IP67 solar connectors – sealed against dust and driving rain on a gravel road or a Cape winter storm.
• Low-iron tempered glass with POE encapsulant and anti-corrosion aluminium frame – built for permanent outdoor mounting, not seasonal use.
• 1262 x 764 mm footprint, 10.81 kg – a compact 200W module that fits roofs where a full-size 200W panel will not.
• Pre-drilled mounting holes – works with standard Z-brackets, corner brackets and tilt mounts.

Ideal For

• Off-road caravans and campers with a cluttered roof - aircon, hatches, aerials, awning rails - where shadows move across the panel through the day.
• Campers who deliberately park under trees at bush and river camps and still expect the batteries to charge.
• Anyone replacing an older 100W or 150W panel and wanting more output from the same or less roof area.
• Rooftop tent and 4x4 canopy builds where roof space is tight and every square metre must earn its keep.
• Fixed off-grid installations - cottages, hunting camps, borehole pumps - on sites with partial shading from trees or structures.

Local Support from 4Matt Campers

4Matt Campers is a Renogy dealer in Cape Town, serving the Western Cape and delivering across South Africa. We sell Renogy as a system, not as boxes: if you tell us your battery bank, your daily draw and what is already on your roof, we will tell you honestly whether one ShadowFlux panel is enough, whether you need two in parallel, and which charge controller suits the combination. If you are not sure what you already have, send us a photo of your roof and your existing controller and we will work it out with you.

Technical Specifications

• Model: Renogy 200W ShadowFlux Anti-Shading N-Type Solar Panel
• SKU: RSP200DC-ASR-G1-SA
• Maximum power at STC: 200 W
• Optimum operating voltage (Vmp): 31.3 V
• Optimum operating current (Imp): 6.38 A
• Open-circuit voltage (Voc): 36.5 V
• Short-circuit current (Isc): 6.86 A
• Cell type: N-Type monocrystalline, tunnel-oxide passivated (TOPCon) structure
• Cell efficiency: 25%
• Busbars: 16
• Bypass diodes: 28
• Temperature coefficient of power: -0.27%/degC
• Maximum system voltage: 1000 VDC
• Maximum series fuse rating: 15 A
• Operating temperature: -40 degC to 85 degC
• Dimensions: 1262 x 764 x 30 mm
• Weight: 10.81 kg
• Frame: 1.1 mm anti-corrosion aluminium alloy with pre-drilled mounting holes
• Front glass: low-iron tempered glass, POE encapsulant film
• Junction box: IP67
• Connectors: IP67 solar (MC4-compatible) connectors
• Protection rating: IP67

What's Included

• 1 x Renogy 200W ShadowFlux rigid solar panel with attached junction box, output leads and solar connectors
• Product documentation

Mounting brackets, cable, fuses and a charge controller are not included - see the notes below.

Optional Fitment & Upgrade Notes

A solar panel never connects straight to a battery. This panel's 36.5 V open-circuit output must go through a charge controller sized for it, which then charges your 12V battery. An MPPT controller is the sensible choice here - at 31.3 V Vmp there is a real voltage gap to harvest, and an MPPT will convert that surplus voltage into extra charge current that a PWM controller simply throws away. Check that the controller's maximum PV input voltage comfortably exceeds 36.5 V, and remember that Voc rises in cold weather.

For mounting, Renogy Z-brackets are the standard fixed option; corner brackets suit a drill-free bonded installation on a fibreglass or aluminium roof, and tilt mounts help if you want to angle the panel in winter. Use proper double-insulated solar cable sized for the run, seal every roof penetration correctly, and fit a fuse or breaker between the controller and the battery. If you are running two panels, decide series or parallel based on your controller's input window - two of these in series gives 73 V Voc, which many 12V MPPT controllers will accept but some will not.

We are happy to quote the panel on its own or as a complete kit with controller, cable, brackets, glands and fusing.

Complete Your Setup

Pair this panel with the right electronics: browse Solar Charge Controllers for the MPPT unit that suits it, Lithium Batteries to store what it makes, Inverters & Inverter Chargers for 230V appliances, and Electrical Accessories for cable, glands, fuses and connectors. You can see the full range in our Renogy collection.

FAQ

Does the ShadowFlux really keep working in shade, or is that marketing?
It keeps working, within limits. The 28 bypass diodes route current around shaded cells, and Renogy's comparison test showed roughly 85% output with 10% of the panel shaded versus zero from the traditional panel tested alongside it. Output still falls as shading increases - it is not immune to shade, it just degrades gracefully instead of switching off.

Can I connect this panel directly to my battery?
No. Its open-circuit voltage is 36.5 V and it must run through a charge controller, which regulates the voltage and manages the charge profile for your battery chemistry. Connecting a panel straight to a battery will damage the battery.

MPPT or PWM controller?
MPPT. With a 31.3 V Vmp feeding a 12V battery there is a large voltage difference, and an MPPT controller converts that into additional charge current. A PWM controller would waste most of it.

Will it fit on my caravan roof?
It measures 1262 x 764 mm and weighs 10.81 kg, which is more compact than most 200W panels. Measure your clear roof area first, allowing for the bracket footprint and enough clearance to avoid resting the panel against hatches or the aircon shroud.

Can I run two of these together?
Yes. In parallel they stay at roughly 36.5 V Voc and double the current; in series they reach about 73 V Voc at the same current. Which one you choose depends on your charge controller's maximum PV input voltage and current ratings - send us your controller model and we will confirm.