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SunWell Energy

610W N-Type TOPCon Bifacial Solar Panel

610W N-Type TOPCon Bifacial Solar Panel

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Model

This 610W N-Type TOPCon bifacial solar panel is built for residential and small commercial rooftops that need dependable daily generation without oversizing the array. Its dual-glass construction and 80±5% bifacial factor let the module capture reflected light, while the 132-half-cell layout keeps output stable across changing conditions. A 1500V system rating and standard frame design make it easy to integrate into new or expanding PV installations.

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610W N-Type TOPCon Bifacial Solar Panel — Technical Specifications
MODELSW-4-66HTBD-610M
Mechanical Parameters
Cell TypeN-Type TOPCon
No. of cells132 (2×66)
Output CablesTÜV 1x4mm² (+)300mm/(-)200mm in length or customized length)
GlassFront: 2.0mm AR-coating, semi-tempered; Rear: 2.0mm, semi-tempered
FrameAnodized aluminum alloy frame
Weight32.4kg (±1.5lbs)
Dimension2582×1134×35mm
Packaging37 pcs per pallet
Protection ClassClass II
Fire RatingIEC Class C
Electrical Characteristics (STC Test)
Module TypeGK-4-66HTBD-610M
Testing ConditionSTC: 1000W/m², 25°C, AM1.5; NOCT: 800W/m², 20°C, AM1.5, wind 1m/s
Max.Power (Pmax)610W (STC); 462W (NOCT)
Open Circuit Voltage (Voc)48.00V (STC); 45.49V (NOCT)
Short Circuit Current (Isc)16.07A (STC); 12.96A (NOCT)
Max.Power Voltage (Vmp)40.22V (STC); 38.06V (NOCT)
Max.Power Current (Imp)15.18A (STC); 12.16A (NOCT)
Module Efficiency22.6%

Features

  • High Module Power Output. The 610W module reaches up to 22.6% efficiency from N-Type TOPCon cells and holds output steady under partial shade via its 132-half-cell layout.
  • N-Type TOPCon Cell Technology. N-Type TOPCon cells resist LID and LeTID for lower annual degradation and more consistent long-term yield.
  • Bifacial Dual-Glass Construction. A 2.0mm+2.0mm dual-glass build with an 80±5% bifacial factor captures reflected light and resists moisture and mechanical stress.
  • Reliable Low-Light and Thermal Behavior. A -0.29%/°C temperature coefficient and stronger weak-light response help the panel hold output in heat and cloudy conditions.
  • Robust Mechanical Durability. The module withstands 5400Pa front and 2400Pa rear load plus 25mm hail, with an IP68 box and IEC 61215 / 61730 plus Anti-PID, salt-mist, ammonia and dust-sand tests.
  • Straightforward System Integration. A 1500V rating and 35A fuse suit standard string inverters; the anodized frame and TÜV 14mm² cables keep mounting simple.

Applications

  • Residential Rooftop Solar: Home arrays that need reliable daily generation with straightforward mounting on pitched or flat roofs.
  • Commercial Rooftop Solar: Warehouses, offices and retail buildings seeking higher yields per module to maximize limited roof area.
  • Ground-Mounted Solar: Open-area installations where the dual-glass build and mechanical load rating support long-term outdoor operation.
  • Solar Farms and Utility Projects: Larger sites that benefit from 1500V string configurations and consistent module performance at scale.
  • Solar + Storage Systems: Works as the PV generation source feeding inverters and batteries for self-consumption and backup setups.
  • Carports and Industrial Canopies: Elevated structures where bifacial gain from reflected light adds usable energy.

Cell Technology & Module Performance

This module uses N-Type TOPCon monocrystalline cells in a 132-half-cell (2×66) layout, giving the 610W version up to 22.6% module efficiency. N-Type chemistry resists LID and LeTID, so the panel shows lower annual degradation and more stable long-term output than conventional designs. The electrical design operates at 48.00V open-circuit and 40.22V maximum-power voltage under STC.

A -0.29%/°C power temperature coefficient and improved weak-light response help the module hold generation as rooftops heat up and during morning, evening or cloudy conditions. Combined with bifacial capture, the design delivers more field energy over the system's life than its nameplate alone suggests.

Module Construction & PV System Integration

The panel pairs a 2.0mm+2.0mm dual-glass build with an anodized aluminum frame for structural stability and moisture protection. It carries an IP68 junction box and meets IEC 61215 and IEC 61730, with Anti-PID, salt-mist, ammonia and dust-sand testing for harsh environments. Mechanically, it withstands 5400Pa front and 2400Pa rear static load plus 25mm hail at 23m/s.

Sized at 2582×1134×35mm and 32.4kg with TÜV 14mm² output cables (300mm positive / 200mm negative, or customized), the module fits standard rails and mounting kits. A 1500V maximum system voltage and 35A series fuse rating suit common string inverters, supporting longer strings on commercial rooftops and ground-mount arrays.

Frequently Asked Questions

How do I choose between the 610W, 620W, 630W and 640W panels in this series?

Pick by roof space: 610W and 620W suit homes, while 630W and 640W add efficiency and power for tighter spaces. All share the same size and 1500V rating.

Will this panel work with my existing string inverter?

Yes, with standard string inverters rated for 1500V. Confirm your inverter's MPPT window covers the module's 48.00V open-circuit and 40.22V operating voltage.

Is this a bifacial panel, and do I need a special mount?

Yes, it is bifacial with an 80±5% factor that captures reflected light; a standard frame works, and a light-colored surface behind it boosts rear-side gain.

What cleaning and maintenance does the panel require?

Routine cleaning with water to remove dust, pollen, or snow keeps output near peak; no specialized upkeep is needed. Avoid abrasive tools that could scratch the anti-reflective glass.