Solar Panel
Shanghai Walmay Group Co., Ltd.

610-630 Walt Mono Half-Cell PV Module
SMBB Technology Half Cut N Type Cell;
Strengthened Mechanical Load;
100% Inspection 30 years Guarantee;
Advanced Bifacial Efficiency;
610-630 Watt 210*182mm 16BB PV Module ;
Fire Class A
+86 13287510939
+86 13287510939
info@walmaygroup.com
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610-630 Walt Mono Half-Cell PV Module
Overview

High-power mono half-cell PV modules with power range 610-630W, adopting M12 large-size silicon wafers and multi-busbar technology. 

They feature high efficiency, low system cost, and strong environmental adaptability, ideal for large-scale ground stations and industrial/commercial projects .


     Walmay Battery Factory Display
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Battery energy storage product features

Walmay battery energy storage features

1、High efficiency: Converts up to 22.5% of sunlight into electricity, with half-cell design cutting power loss by 75% .

2、Stable performance: Temperature coefficient as low as -0.29%/℃, works normally from -40℃ to 85℃ .

3、Durable structure: 2+2mm double glass with AR coating, resists salt spray, sand, and mechanical loads (front 5400Pa) .

4、Bifacial gain: Rear-side power gain 5%-25%, boosting total electricity output significantly .


Walmay battery energy storage important attributes

Electrical Characteristics Table


Parameter NameSKT610M12-132D4
SKT615M12-132D4
SKT620M12-132D4
SKT625M12-132D4
SKT630M12-132D4
NMOT
Test ConditionsSTCNMOTSTCNMOTSTCNMOTSTCNMOTSTCNMOT475.7
Maximum Power (Pmax) (W)610460.7615464.4620468.2625471.9630475.747
Open-Circuit Voltage (Voc) (V)48.746.2448.946.4349.146.6249.346.8149.54713.08
Short-Circuit Current (Isc) (A)15.9512.8816.0112.9316.0712.9816.1313.0316.1913.0838.59
Voltage at Pmax (Vmp) (V)40.4837.9240.6238.140.7638.2540.9138.4241.0438.5912.33
Current at Pmax (Imp) (A)15.0712.1515.1412.1915.2112.2415.2812.2815.3512.33/
Module Efficiency (ηm) (%)22.6/22.8/23/23.1/23.3//
Power Tolerance (W)0~+5/0~+5/0~+5/0~+5/0~+5//
Maximum System Voltage (V)1500Vdc (IEC/UL)/1500Vdc (IEC/UL)/1500Vdc (IEC/UL)/1500Vdc (IEC/UL)/1500Vdc (IEC/UL)//


Mechanical Specifications Table


Parameter NameSpecification
External Dimensions (L×W×H) (mm)2382×1134×30
Weight (kg)32.4
Solar CellsN-Type 16BB 182×105mm (2×66pcs)
GlassAR Coated 2+2mm Tempered Glass
FrameAnodized Aluminum Alloy
Junction BoxIP68
Output Cables4.0mm², 1200mm (+), 1200mm (-), Length Customizable
ConnectorMC4 Compatible
Mechanical LoadFront: Max. 5400Pa; Rear: Max. 2400Pa


Bifacial Output Table (SKT630M12-132D4 as Example)

Parameter Name5% Gain10% Gain20% Gain
Maximum Power (Pmax) (W)661.5693756
Open-Circuit Voltage (Voc) (V)49.549.549.5
Short-Circuit Current (Isc) (A)16.8117.619.2
Voltage at Pmax (Vmp) (V)41.0441.0441.04
Current at Pmax (Imp) (A)16.1216.8918.42





Why choose Walmay battery energy storage

  1. Cost-saving: Reduces 8%-12% system cost by fewer components, brackets, and cables .
  2. Low risk: 100% inspection before delivery, with minimal hot spot and cracking risks .
  3. Easy maintenance: Compatible with mainstream inverters, supporting string-level monitoring .
  4. Policy-aligned: Meets "high-efficiency component" requirements for global renewable energy projects .


 Product Application
  1. Large-scale ground photovoltaic power stations .
  2. Industrial and commercial rooftop distributed systems .
  3. Solar farms in harsh environments (deserts, coastal areas) .
  4. Renewable energy projects supported by global green policies .


-  storage system packaging and transportation  -

WALMAY has a stock of common energy storage products. The packaging standards meet the international transportation requirements of energy storage products to ensure transportation safety.

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- Warehouse inventory

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- Products that customers 

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- Storage product loading

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