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Photovoltaic technology duo duel: in-depth analysis of PA219 flexible series and HiPower portable folding panels
- Core design and structural differences
Design philosophy: high cost performance and wide application fields
PA219 is designed for curved roofs, RVs, yachts and light building structures
- Ultra-thin flexible architecture: light weight, only 3.3 kg/m², only 35% of traditional rigid solar panels , curvature adaptability : bending radius <30cm, adaptable to complex curved surfaces
- Military-grade compression-resistant structure: Symmetrical battery layout + high modulus composite material, passed IEC 61215 mechanical load test, can withstand 5400Pa snow load ; hail-resistant, passed IEC 61730 hail test
- Fire safety design: Flame-retardant ETFE laminate material meets IEC 61730-2 standards , passes Class A spread and Class C combustion level tests , and adapts to roof construction fire protection regulations.
Hi Power Portable Folding Board
Design philosophy: Power supply anywhere
The 10-year power warranty is typical of the solar panel series, suitable for off-grid residential, RV, commercial vehicles, marine, outdoor camping, outdoor emergency and other off-grid application scenarios.
- Integrated folding system: patented hinge structure enables the 440W module to be folded to a volume of only 0.15m³, equipped with integrated MC4 interface and waterproof storage bag ; Lightweight, 36% lighter than conventional lightweight folding boards
- Modular expansion design: Versatile design, multiple modules can be connected in series, allowing you to expand energy storage capacity according to specific needs. Whether you are powering a small device or an entire off-grid system, this design can meet all your needs, using shingled welding technology to reduce resistance losses.
- Enhanced outdoor protection: ETFE fluorine film + IP68 waterproof and sealing technology (HiPower-D series), passed the MIL-STD-810G shockproof test, and can adapt to extreme temperatures of -30°C~85°C.
- Core technology breakthrough
Five major innovations of PA219
- Anti-PID technology: frameless design eliminates potential induced degradation, PID degradation rate <2% (IEC 62804 test)
- Salt spray corrosion protection: The composite backsheet passes the IEC 61701 Level 6 salt spray test (suitable for ocean-going vessels)
- Ammonia tolerance: The battery grid line adopts silver-aluminum composite coating, and the power attenuation in ammonia environment is less than 3% (IEC 62716 standard)
- Anti-hidden crack design: 2.5mm elastic substrate + dynamic stress dispersion technology, power retention rate >97% after bending 10,000 times
- Light pollution control: Anti-glare function, matte surface reflectivity <5% (traditional glass panels are about 15%)
HiPower’s Engineering Innovation
- High power output: Single crystal 166 design with maximum 4*110W; Sunpower design with 4*120W power output, specially designed for high power portable power stations, very suitable for 1-1.25kwh portable power stations, meeting the needs of outdoor multi-load simultaneous charging
- High protection performance: The use of polymer composite materials can effectively protect the battery cells.
- Intelligent cooling system: Honeycomb aluminum backplane achieves 22°C temperature drop and increases output efficiency by 5%
- Self-cleaning in rainy days: Super hydrophobic coating reduces dust adhesion by 80%
- Intelligent identification protocol: built-in MPPT chip automatically matches mainstream power stations such as EcoFlow/Jackery
- Comparison of typical application scenarios
The irreplaceability of PA219
- Building Integration:
Curved steel tile roof (suitable for curved structures with a radius > 30cm)
Conservation and renovation of historic buildings (without destroying the original roof load-bearing capacity)
Agricultural greenhouse power generation (30% transmittance customized version optional)
- Special transport:
Electric Yacht Deck
Military shelter power supply ( military emergency: individual combat equipment, temporary power supply for disaster relief )
- RV: Lightweight solar for mobile adventures, outdoor RV travel
- Off-grid: Providing reliable energy to remote settings.
HiPower’s mobile energy solutions
- Outdoor emergency system:
Disaster relief site: 4 sets of parallel connection can fully charge a 2kWh power station in 1.5 hours (40% faster than traditional ones)
Polar expedition: 85% output efficiency at -30°C
- Outdoor camping
Suitable for outdoor travel, picnics, hiking
- Commercial mobile power supply:
Film and TV shooting: Silent power generation to avoid recording interference
Vendor car: Mobile coffee car , with a daily power generation of 8kWh to meet the needs of commercial equipment
- High-power portable radio
Hi-power4*110W solar charging panel is designed for high-power portable power stations, very suitable for 1-1.25kwh portable power stations, meeting the needs of outdoor multi-load simultaneous charging
- Key performance data
Extreme environment test results
| Test items | PA219 | Hi power-m |
| 85 degrees high temperature | Annual decay rate: 0.55% | Annual decay rate: 0.68% |
| Hail impact (35mm diameter) | No hidden cracks (IEC61730) | Slight dent on outer ETFE |
| Salt spray corrosion 3000 hours | Power retention 98.7% | The resistance at the joint increases by 2.3% |
| Bending fatigue test | 5000 cycles attenuation 1.2% | Not applicable, folding more than 2000 times is prohibited |
- Strategic Choice Matrix
Three reasons to choose PA219
✅ Permanent installation: 10-year warranty vs. 25-year replacement cycle for traditional rooftop photovoltaics
✅ Cost-effective : suitable for a variety of application scenarios, designed for curved roofs, RVs, yachts and light building structures
✅ Invisible power generation: 3.5cm ultra-thin thickness achieves architectural aesthetic integration
HiPower’s Core Competencies
⚡ Energy mobility: 440W system can be deployed in 5 minutes, supports power generation while moving , and is designed for high-power portable power stations
⚡ Intelligent adaptation: Automatically identify 60+ brands of energy storage devices, eliminating the trouble of controller configuration
⚡High protection performance: using polymer composite materials to effectively protect the battery cells
- Sustainable Development
Environmental Commitment
- PA219: Using 100% recyclable backsheet material, the production carbon footprint is 37% lower than traditional processes
- HiPower: Packaging material contains 30% recycled ocean plastics, and is EPEAT Silver certified
Whether you need an invisible power generator that coexists with buildings (PA219) or a mobile energy bank that conquers the wilderness (HiPower), Sungold redefines the boundaries of energy with cutting-edge technology.







