140 W PERC-HD slim semi-rigid solar panel: the solution for small van roofs with no compromise on durability

Space on the roof of a compact van or Transporter is limited. Yet even 1 m² of available surface can be enough to cover your essential on-board needs — provided you choose a solar module that sacrifices neither efficiency nor durability. The 140 W PERC-HD slim semi-rigid solar panel by Énergie Mobile meets exactly this constraint: ultra-flat at 12 mm thick (junction box included: 18 mm), it combines the robustness of a rigid panel with the discretion of a module without a protruding frame.

The technical difference compared to a standard flexible panel lies in its extra-thin black powder-coated aluminium frame, which provides a precise bonding surface on the roof. This design eliminates the risk of cell cracking caused by micro-deformations of the bodywork while driving — a well-known weakness of fully flexible panels. The module incorporates 182 mm PERC HD 11 BB monocrystalline cells, coated with an HPC Polymer finish whose resistance to abrasion and UV is comparable to glass, for unmatched longevity. In the event of partial shading or intense heat, the PERC reflective layer maintains production at a high level, where a standard monocrystalline cell would drop significantly. The IP67 waterproof junction box, pre-wired with 3 metres of 2 × 2.5 mm² cable, simplifies connection to the charge controller.

To maximise the output of this panel, pair it with a MPPT1212 charge controller (12 V installation up to 175 Wp) or a MPPT201224 charge controller for a 12 V or 24 V installation. If your roof space allows, its bigger sibling the PERC-HD slim 190 W offers greater power within the same range.

How to install the 140 W PERC-HD slim semi-rigid solar panel?

The grooved channel of the aluminium frame allows direct bonding onto the vehicle roof using a UV-resistant structural adhesive such as Sikaflex. Carefully clean and prepare the bodywork (degreasing, primer) before application. The pre-wired 3 m MC4 cable runs through a waterproof roof cable entry to the MPPT charge controller installed inside. No forced ventilation is required, simplifying integration.

Technical specifications of the 140 W PERC-HD slim semi-rigid solar panel by Énergie Mobile

• Manufacturer reference: PERC-HDSLIM140
• Peak power: 140 Wp
• Nominal voltage (Vmp): 20.9 V
• Max. current (Imp): 6.46 A
• Open-circuit voltage (Voc): 24.5 V
• Short-circuit current (Isc): 6.78 A
• Cell technology: Monocrystalline PERC HD 182 mm – 11 BB
• Surface coating: HPC Polymer (glass equivalent), black
• Frame: Extra-thin black powder-coated aluminium
• Dimensions (L × W × H): 1,323 × 622 × 12 mm (+ 6 mm junction box)
• Weight: 4.37 kg
• Junction box: Waterproof IP67, pre-wired – 3 m cable, 2 × 2.5 mm²
• Certifications: IP67 / CE / RoHS
• Warranty: 7 years
• Brand: Énergie Mobile