60W Monocrystalline Solar Panel with 17.77% Efficiency and IP67 Rating for High-Current Applications
The JST-ETMH-60W is a high-efficiency 60-watt monocrystalline solar panel engineered for demanding applications. With 34 premium 182mm cells arranged in a 2x17 layout, it achieves 17.77% module efficiency, delivering superior voltage and current output. Its robust IP67-rated construction ensures reliable, long-term performance in any environment, from mobile setups to off-grid systems.
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Electrical (STC):
- Maximum Power (Pmax): 60W
- Open Circuit Voltage (Voc): 23.18V
- Short-Circuit Current (Isc): 3.16A
- Voltage at Pmax (Vmp): 20.00V
- Current at Pmax (Imp): 3.00A
- Module Efficiency: 17.77%
- Max System Voltage: 700V DC
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Mechanical Specifications:
- Dimensions: 855 x 395 x 25 mm
- Weight: 3.8 kg
- Solar Cells: 34 pieces, Monocrystalline 182x45.5mm
- Frame: Anodized Aluminum
- Front Glass: 3.2mm Tempered Glass
- Junction Box: IP67 rated
- Connectors: MC4 Compatible
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Temperature & Packaging:
- Operating Temperature: -40°C to +85°C
- Pmax Temperature Coefficient: -0.35%/°C
- Pieces per Pallet: 80 pcs
- Optimized 60W Power Output: Features 34 high-grade monocrystalline cells, providing an ideal balance of higher voltage (20Vmp) and robust current (3A Imp) for faster battery charging.
- Industrial-Grade Durability: Built with 3.2mm tempered glass, a sturdy aluminum frame, and an IP67-rated junction box to withstand harsh weather, moisture, and mechanical stress.
- Superior Energy Harvest: A high module efficiency of 17.77% and a favorable temperature coefficient ensure maximum energy yield and stable performance in high-temperature conditions.
- Ready for Professional Installation: Includes pre-drilled mounting holes, industry-standard MC4 connectors, and supports a high 700V system voltage for flexible, scalable system design.



Kuoman Solar manufactures two main product lines: high-strength aluminum frame rigid panels (100W-500W) for residential, commercial, and utility-scale installations, and ultra-lightweight ETFE flexible panels (30W-500W) for RVs, marine applications, outdoor adventures, and OEM integration.
Our rigid panels achieve up to 21.1% module efficiency, while our flexible ETFE panels feature high-efficiency PERC cells with up to 23.0% conversion efficiency, among the highest in the flexible solar category.
Yes. Our panels feature an ultra-low power temperature coefficient of -0.39%/°C, meaning they lose less efficiency in high heat compared to standard panels. They are tested for continuous operation from -40°C to +85°C.
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