EN | Power Your Fleet. Reduce Every Idle Cost

—Commercial Vehicle Solar

Solar Power Built for Vehicles That Work.

Lightweight, low-profile solar modules for trucks, trailers, refrigerated transport and mobile fleets — engineered to support auxiliary batteries and onboard loads while vehicles are moving or parked.

4.4 kg/m²

PA621 lightweight reference

10–60 Hz

Vibration resistance reference

10-Year

PA621 product warranty

OEM / ODM

Size · wiring · connector

Built Around Real Fleet Challenges

Turn Available Roof Space Into Useful Daily Energy

Commercial vehicles carry electrical loads long after the engine stops. A vehicle-specific solar design can provide supplemental charging without adding a bulky conventional rooftop system.

Battery Drain & Downtime

Auxiliary loads, standby electronics and frequent stop-and-go operation can leave batteries undercharged.

Power Beyond Engine Hours

Refrigeration controls, liftgates, lighting and telematics still need dependable power when parked.

Vibration, Heat & Motion

Vehicle roofs face continuous movement, thermal cycling and demanding road environme

Limited Roof Geometry

Roof vents, refrigeration units, curvature and cable exits require application-specific panel sizing.

Fleet Operating Value

Use Solar to Reduce Battery Risk, Idle Dependence and Service Interruptions

For fleets, vehicle solar is not only a panel purchase. It is a way to keep auxiliary batteries healthier, reduce avoidable engine idling and protect equipment that still draws power while the vehicle is parked.

Savings depend on vehicle type, battery condition, duty cycle, weather, shading, fuel cost and load profile. Use project data for any ROI claim before publishing exact numbers.

Battery

Lower Deep-Discharge Risk

Supplemental charging can help reduce undercharged auxiliary batteries in liftgate, telematics and standby systems.

Idle

Less Dependence on Engine Hours

Solar can support selected low-to-medium DC loads when parked, reducing the need to run the engine only for battery support.

Cold Chain

Support Refrigerated Transport Loads

For reefer and TRU projects, solar can help maintain control batteries during yard storage and route downtime.

Fleet

Better Planning Before Rollout

A pilot can compare battery events, route profile, solar yield and service records before fleet-wide procurement.

Commercial Vehicle Applications

One Solar Platform.Multiple Vehicle Power Needs.

Match module format, roof space and electrical configuration to the vehicle — from long-haul tractor-trailers to local delivery and service fleets.

Trucks & Tractor-Trailers

Supplemental charging for auxiliary batteries, sleeper loads, telematics and other onboard systems across long-haul operations.

Reefer & Refrigerated Trailers

Support refrigeration batteries, controllers and standby electrical loads.

Service & Utility Vehicles

Use available roof area to support tools, electronics and auxiliary batteries.

Delivery & Box Trucks

Continuous solar input for daily stop-and-go fleet operation.

Specialty Vehicle Platforms

Custom dimensions, electrical layout and connection details for unique vehicle projects.

Liftgate Charging

Help keep liftgate battery systems supported between delivery stops.

Telematics & Tracking

Support compact GPS, monitoring, sensors, cameras and connected fleet electronics.

Lighting & Auxiliary Loads

Supplement battery charging for cargo lighting and vehicle accessories.

Hotel Loads & Idle Reduction

Support selected sleeper, HVAC control and low-power auxiliary loads after project sizing.

Application Fit Table

Match the Solar Format to the Load, Voltage and Vehicle Roof

This table turns the current page's application ideas into a buyer-friendly selection path. Final wattage, controller and mounting details should be confirmed against the real vehicle platform.

Application Typical Buyer Need Solar Design Direction Project Data to Confirm
Compact
Trailer GPS & Telematics
Maintain trackers, sensors or monitoring devices without frequent battery service. Small custom panel, thin profile, housing or roof-mounted cable exit. Device load, standby current, housing size, connector, cable length and sealing method.
Delivery
Liftgate Battery Support
Reduce route interruptions caused by undercharged liftgate batteries. Vehicle-roof module paired with MPPT controller and 12V/24V battery review. Battery voltage, daily stops, liftgate cycles, controller location and wiring protection.
Cold Chain
TRU / Reefer Maintenance
Support refrigeration controls and batteries during yard storage or standby periods. Weather-resistant module layout around TRU housing, vents and cable routes. TRU model, roof space, temperature requirement, junction box rating and certification scope.
Long Haul
Hotel Loads & Idle Reduction
Reduce dependence on engine runtime for selected sleeper and auxiliary loads. Larger roof-area array with load audit and battery/controller matching. Load list, parking hours, available roof area, shading and required daily energy target.
OEM
Specialty Vehicle Platforms
Integrate a panel into a defined body, roof, device or fleet product design. Custom dimensions, laminate structure, cable, connector, label and packaging plan. Drawings, MOQ, sample target, certification needs, branding and delivery timeline.
Use this as a public selection guide. Exact power range, certification language, ROI and delivery promise should be inserted only after product and commercial verification.

Project Workflow

From roof constraints to a manufacturable solar module configuration.

01 / Collect

Solar Module

Vehicle roof converts available sunlight into DC power.

02 / Manage

MPPT Controller

Regulates charging for the selected battery system.

03 / Store

Auxiliary Battery

Stores solar input and supports power availability.

04 / Use

Vehicle Loads

Liftgate, telematics, lighting, refrigeration controls and other auxiliaries.

While Driving

Solar works alongside the vehicle charging system to provide additional battery input.

While Parked

Solar continues to support the auxiliary battery when sunlight is available, without requiring engine operation for the solar input itself.

Lightweight Structure. Stable Power

Road-Ready Engineering

Lightweight Structure. Stable Power. Flexible Integration.

For moving platforms, panel selection is about more than wattage. Weight, heat, vibration, shading and mounting geometry all affect long-term system design.

Vibration-Resistant Platform

PA621 reference testing covers 10–60 Hz vibration resistance for mobile applications.

Thermal Management

Low-conductivity backing helps reduce heat transfer toward the mounting surface.

Lower Roof Load

Lightweight panel platforms reduce added mass compared with conventional framed glass modules.

Shading-Aware Layout

Panel and electrical layout can be selected for real roofs where vents, antennas and equipment create partial shade.

Recommended Module Platforms

Choose the Panel Around the Vehicle — Not the Other Way Around

Sungold can match lightweight, flexible and OEM module platforms to roof shape, available area, voltage and integration requirements. Final model selection should follow project assessment.

PA621

PA621

Lightweight Solar Panel

For projects prioritizing low weight, structural stability, heat management and vibration resistance on moving platforms.

PA219

PA219

Flexible Solar Panel

For low-load or curved surfaces where a thin, frameless module can fit spaces that conventional rigid panels cannot.

Custom Solar Panels

Custom OEM / ODM

Vehicle-Specific Integration

Start from the vehicle drawing and power requirement, then define the module format and connection details around the real installation.

Documentation & Certification Review

Prepare the Proof Package Before Fleet or OEM Approval

Fleet buyers and vehicle OEMs usually need more than a product image. They need drawings, electrical matching notes, certification scope and installation guidance that fit the selected module and project market.

Certification and test claims must be tied to the exact Sungold model, bill of materials and certificate scope. Do not present a project requirement as already certified until the documentation is checked.

Electrical Matching

Voltage, controller type, battery chemistry, cable route, fuse protection and connector choice.

Mechanical Drawings

Roof area, curvature, mounting surface, panel dimensions, junction box position and cable exit.

Certification Scope

Model-specific CE, RoHS, IEC, IP rating or other documents should be verified before quotation language is finalized.

Supply Requirements

Sample quantity, MOQ, packaging, branding, lead time and shipment terms should be confirmed case by case.

OEM Project Workflow

From Vehicle Roof Drawing to Production-Ready Solar Module

A practical B2B workflow keeps electrical design, installation space and production requirements aligned before volume supply.

Vehicle Layout

Roof dimensions, obstacles, curvature and available mounting area.

Load & Battery

System voltage, battery type and target auxiliary loads.

Panel Matching

Module platform, wattage, dimensions and electrical layout.

Sample Validation

Fit, wiring, mounting method and project-specific checks.

Bulk Supply

Production, documentation, packaging and repeat-order support.

Prepare Your Project

What We Need to Recommend the Right Vehicle Solar Solution

Send the core project information below. It lets the engineering team evaluate fit, power and integration before a quotation.

Roof Layout

Usable area, dimensions, vents and obstacles

System Voltage

12V / 24V / other vehicle architecture

Target Loads

Liftgate, reefer, telematics, lighting, etc.

Operation Profile

Daily route, parking time and duty cycle

Installation Details

Mounting method, cable exit and routing

Project Requirements

Quantity, certification, branding and timeline

Buyer Requirement What to Check Sungold Support Confirmation Needed
12V / 24V Systems Battery voltage, MPPT controller setting, wiring route and protection method. Electrical review for vehicle auxiliary power projects. Final compatibility depends on vehicle architecture and battery chemistry.
Compact Panel Size Tracker housing, roof space, mounting surface and cable exit. Custom panel sizing for telematics, sensors and low-power fleet electronics. Wattage, size, cable, connector and sealing method require drawings.
TRU / Fleet Roof Use Vibration, roof equipment, wash exposure, shade and operating temperature. Vehicle-roof module planning for trailer and refrigerated transport applications. Temperature range, IP rating and certificate scope must be verified by model.
Liftgate Battery Support Liftgate cycles, parking time, battery capacity and controller location. Panel and controller matching support for battery maintenance projects. Charging result depends on sunlight, shade, wiring, battery state and load profile.
OEM Custom Projects Size, material, voltage, connector, label, packing and documentation request. OEM / ODM engineering support for fleet, device and system brands. MOQ, sample timing, pricing and lead time are confirmed per project.
This checklist is suitable for page content and inquiry screening. Use confirmed product documents before adding exact certification, warranty, MOQ, delivery or ROI claims.

Tell Us What Your Fleet Needs to Power.

Share your roof dimensions, battery system, target loads and project quantity. Sungold can help evaluate the appropriate module format, documentation needs and OEM integration path.















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