Renogy 100W 12V Flexible Monocrystalline Solar Panel

Short Product Summary

The Renogy 100W 12V Flexible Monocrystalline Solar Panel is a 3 mm thin, 2.4 kg panel that bends up to 240 degrees, so it follows the curve of a caravan roof, a bakkie canopy, a rooftop tent shell or a boat deck where a rigid framed panel will not sit flat. It delivers 100W at 12V through 9-busbar monocrystalline cells, and it bonds straight onto the surface with no brackets, no rails and no roof penetrations.

Why This Product

Most caravan and camper roofs in South Africa are not flat. Fibreglass shells, moulded pods, canopy lids and Jurgens-style rounded roofs all have a curve, and a rigid aluminium-framed panel bridges that curve instead of sitting on it. This panel does the opposite: it is a laminate that takes the shape of the roof, adds only 2.4 kg and stands 3 mm proud of the surface, so there is nothing for branches to catch and nothing to whistle at 120 km/h.

Be clear on the trade-off before you buy. A bonded flexible panel sits directly against the roof skin, so it runs hotter than a rigid panel that has 30 mm of air behind it, and hotter cells produce fewer watts on a 38-degree Karoo afternoon. Flexible laminates also have a shorter working life than glass panels as a rule. Bonding method matters more than most people expect: a full-surface bed of a flexible MS polymer adhesive is what keeps water out and lets the panel move with the roof, while dabs of silicone or a few strips of tape will lift at the edges within a season. If your roof is flat, unshaded and you are happy to drill for Z-brackets, a rigid glass panel is the longer-life choice. If your roof is curved, weight-sensitive or you do not want holes in it, this is the right panel.

Key Features

• Bends up to 240 degrees – conforms to curved caravan roofs, canopy lids, pod shells and boat cabins that a framed panel cannot follow.
• 2.4 kg and 3 mm thick – roughly a quarter of the weight of a comparable glass panel, which matters on a lightweight camper or a rooftop tent lid.
• 9-busbar monocrystalline cells – more busbars means less internal resistance and less loss between cell and junction box.
• IP67 junction box and IP67 solar connectors – sealed against Cape winter rain and coastal spray.
• Operating range of -40 to 80 degrees Celsius – comfortable with Sutherland frost and Kalahari heat alike.
• Six mounting eyelets – lets you bolt or lace the panel down as a backup to the adhesive bond.
• 12 AWG output leads – heavy enough cable to keep voltage drop low on the run down to the charge controller.

Ideal For

• Caravans and campers with curved or moulded fibreglass roofs where Z-brackets will not sit flat.
• Bakkie canopies and rooftop tents where every kilogram above the roofline counts.
• Off-road trailers and teardrops with limited flat roof area.
• Boats and cabin tops that need a low-profile panel nobody will trip over.
• Owners who want solar without drilling holes through a watertight roof.

Local Support from 4Matt Campers

4Matt Campers is a Renogy dealer in Cape Town, serving caravan and camper owners across the Western Cape and delivering throughout South Africa. We can help you size the panel against your battery bank, match it to the right MPPT or PWM controller, and talk you through the bonding and cable-entry work before you commit. If you would rather not do the install yourself, speak to us about fitment.

Technical Specifications

• Model: RNG-100DB-H
• SKU: RNG-100DB-H-G4-SA
• Maximum power at STC: 100 W
• Nominal system voltage: 12 V
• Optimum operating voltage (Vmp): 20.7 V
• Optimum operating current (Imp): 4.84 A
• Open-circuit voltage (Voc): 24.4 V
• Short-circuit current (Isc): 5.16 A
• Cell type: Monocrystalline, 9 busbar
• Module efficiency: 15.7%
• Maximum flex: 240 degrees
• Dimensions: 1093 x 582 x 3 mm
• Weight: 2.4 kg
• Junction box rating: IP67
• Solar connector rating: IP67
• Output leads: 12 AWG
• Maximum system voltage: 600 VDC
• Maximum series fuse rating: 15 A
• Operating temperature: -40 to 80 degrees Celsius
• Certification: CE

What's Included

• 1 x Renogy 100W 12V Flexible Monocrystalline Solar Panel with pre-fitted output leads and junction box

Adhesive, mounting hardware, extension cable and a charge controller are not included and are ordered separately.

Optional Fitment & Upgrade Notes

• Bonding: plan on a full-surface bed of a flexible MS polymer adhesive rather than spot dabs. A continuous bond keeps water out of the edges and lets the laminate move with the roof as it heats and cools.
• Surface prep: the roof must be clean, dry and free of old sealant or wax before bonding. Most failed flexible-panel installs are prep failures, not panel failures.
• Heat: a bonded panel runs hotter than a rigid one. If you have the option, avoid mounting it directly above a fridge vent or in a dead-air pocket, and expect real-world output below the 100W nameplate on a hot day.
• Controller: at 24.4 V open-circuit this panel needs a charge controller between it and the battery. An MPPT controller will typically harvest more from the 20.7 V operating point on a 12 V bank than a PWM unit will.
• Cable entry: use a proper waterproof roof gland for the cable run into the caravan rather than sealing a raw hole.
• Expansion: a second identical panel can be wired in parallel for 200W at the same voltage, provided your controller is rated for the extra current.

Complete Your Setup

Pair this panel with the rest of your 12V system: browse Solar Charge Controllers, Lithium Batteries, Inverters & Inverter Chargers and Electrical Accessories, or see the full Renogy range.

FAQ

Can I walk on this panel once it is bonded to my caravan roof?
No. Renogy advises against walking on flexible panels, because concentrating your weight on a small area can crack the cells underneath. Plan your roof layout so you still have somewhere to put your feet.

Do flexible panels really last as long as rigid glass panels?
Generally, no. A bonded flexible laminate runs hotter and is more exposed to flex and UV than a glass panel in an aluminium frame, and that usually shows up as a shorter service life. You are trading longevity for weight, profile and the ability to mount on a curve.

Will it charge my battery straight out of the box?
Not directly. The panel produces up to 24.4 V open-circuit, so it must run through a solar charge controller sized for your battery bank. Wiring a panel straight to a battery will damage the battery.

How much power will I actually get in a South African summer?
Rated output is measured under standard test conditions. On a hot, still day a bonded panel will typically deliver noticeably less than 100W because cell efficiency drops as temperature rises. Size your system on real-world expectations, not the nameplate.

Can I mix this with a rigid panel already on my roof?
Yes, provided the specifications line up. Panels of the same voltage can be wired in parallel even if the wattages differ. Mixing panels in series with different currents will pull the whole string down to the weakest panel, so parallel is the safer route.