Overview
JA Solar Panels are photovoltaic modules manufactured by JA Solar Holdings, a globally recognized Tier-1 solar producer. Established in 2005, the company specializes in high-performance panels with efficiencies up to 21.3%, leveraging PERC (Passivated Emitter Rear Cell) and half-cut cell designs. These panels are widely deployed in grid-tied and off-grid systems across 100+ countries. As a vertically integrated manufacturer, JA Solar controls the entire production chain from silicon ingots to module assembly, ensuring quality consistency. Their product range includes monocrystalline (DeepBlue 3.0 series) and polycrystalline panels, with power outputs spanning 320W to 670W for diverse project requirements.
Structure and Working Principle
JA Solar Panels comprise multiple silicon cells interconnected in series, encapsulated between ethylene-vinyl acetate (EVA) layers and tempered glass (3.2mm thickness). An anodized aluminum frame provides structural support, while a junction box with bypass diodes minimizes power loss from shading. The working principle involves the photovoltaic effect: sunlight excites electrons in silicon cells, generating direct current (DC). Half-cut cell technology reduces internal resistance by splitting standard cells into two, increasing shade tolerance and lowering hotspot risks. PERC technology adds a rear passivation layer to reflect unabsorbed light back into the cell, boosting efficiency by 1-2% compared to conventional designs.
Key Features
Efficiency: JA Solar's monocrystalline PERC panels achieve 20.4%-21.3% efficiency, outperforming industry averages. The DeepBlue 3.0 series features 9-busbar design for reduced resistive losses and better light capture. Durability: Panels withstand 5400Pa snow loads and 2400Pa wind loads (IEC 61215 certified), with anti-PID (Potential Induced Degradation) technology ensuring long-term stability in humid conditions. The tempered glass is tested for hail impact (25mm diameter at 23m/s). Temperature Coefficient: -0.35%/°C for monocrystalline models, ensuring better performance in high-temperature environments compared to polycrystalline alternatives (-0.41%/°C).
Application Areas
Utility-Scale: JA Solar supplies 670W+ bifacial panels for solar farms, with tracking system compatibility. Their 1500V system voltage reduces balance-of-system costs for large installations. Commercial Rooftops: Lightweight (21kg) 400W panels are ideal for flat roofs, featuring a 30° operating angle tolerance. Anti-reflective coating maximizes energy yield in low-light conditions. Residential: 320W-450W panels with black frames (All-Black series) cater to aesthetic demands, blending with roof architectures. Micro-inverter compatible designs simplify household installations.
Maintenance and Precautions
Routine maintenance involves semi-annual cleaning with water (no abrasive tools) to remove dust and checking for physical damage. Monitoring systems should track performance deviations >5% from expected output. Critical precautions include avoiding partial shading (causing mismatch losses), ensuring 10cm minimum rear ventilation (to prevent thermal derating), and using mounting systems with 6-12mm gap between panels for thermal expansion. Ground-mounted arrays require galvanized steel structures to prevent corrosion. For winter operation, snow loads exceeding 5400Pa must be manually cleared. In coastal areas, panels should be rinsed monthly to remove salt deposits that may accelerate frame corrosion.
B2B Procurement Guide
Certifications: Verify IEC 61215 (design qualification), IEC 61730 (safety), and UL 1703 certifications. For EU markets, check CE and TÜV Rheinland certificates. Logistics: Standard 40HQ containers fit 22-28 pallets (600-800 panels), with ocean freight insurance recommended. Incoterms should specify responsibility for damage during transit. Payment Terms: Tier-1 suppliers typically require 30% TT deposit, 70% against BL copy. Letters of Credit (LC) are common for orders exceeding 1MW. MOQs range from 100kW (trial orders) to 5MW+ (volume discounts). Performance Guarantees: Ensure contracts include linear power warranty (25 years, 80.7% output retention) and product warranty (12 years against defects). Third-party inspection (e.g., SGS) is advisable for shipments >2MW.
Related Manufacturers
- 主营：光伏组件、储能逆变器、光伏逆变器、发电板、光伏板、太阳能板、家庭电池板、户外光能板、光伏充电板、发电太阳板、太阳能电站、光伏电池板、太阳能电池板、单晶硅光能板、太阳能电池片、太阳能变流器、并网逆变器、光伏电池片、光伏彩钢瓦、电池逆变器、光伏储能系统、光伏电池组件、太阳发电组件、正弦波逆变器、光伏发电系统
- 主营：靶材废、清靶灰、铟丝珠、废铜板、锡膏废、铟上门、镍回收、硅管废、山铟废、铟金属、回收ito、废金属、铟废料、钼靶材、废锡线、钽靶材、铟合金、废铟箔、ito颗粒、收购镍、粗铟回收、铟渣回收、钛管回收、铟粉铟渣、铟粉铟渣采购
- 主营：太阳能板、逆变器、工商业储能、锂电池
- 主营：屋顶光伏电站
- 主营：光伏组件回收、光伏逆变器回收、电池片回收、太阳能电池板回收、硅片回收
- 主营：发电板、光伏板、太阳能板、太阳能电池板
- 主营：组件回收、硅片回收、单晶硅回收、太阳能组件回收、太阳能电池片回收、电池板回收、多晶硅回收
- 主营：晶澳光伏板、天合光伏板、隆基太阳能发电板、晶科太阳能板、晶澳太阳能板、天合太阳能发电板、阳光逆变器、锦浪逆变器
- 主营：路灯、灯杆、路灯头、太阳能光伏组件、太阳能发电、太阳能监控、太阳能语音宣传杆、锂电池、杀虫灯、景观灯庭院灯、储能锂电池、语音播报器、集装箱储能、215kwh储能柜、离网逆变器、逆控一体机、混网
- 主营：景观灯、路灯抱箍、光伏储能系统、太阳能灯、太阳能灭蚊灯、太阳能发电系统、太阳能语音提示器、太阳能发电板、光伏储能、家庭储能、工商业储能、光伏组件、离网逆变器、混网逆变器、逆变器、胶体电池、锂电池
- 主营：供电系统、组件检验、光伏发电、发电板、光伏板、电池板、光伏电板、太阳能板、多晶太阳板、单晶太阳能、太阳能电池、太阳能电站、太阳能组件、太阳能系统、单晶硅太阳能、太阳能发电站、多晶硅太阳能、柔性太阳电板、平米太阳电板、光伏系统、光伏电站、光伏组件、光伏工商业、超高功率组件
- 主营：逆变器、锂电池、储能电池、太阳能冷库、三相混网、光伏电池汇流箱
- 主营：光伏板、光伏组件
- 主营：光伏板安装、光伏板支架、光伏板回收、光伏发电板、光伏发电、光伏电站安装、光伏发电站
- 主营：电池板、光伏板、太阳能板、太阳能组件、逆变器、伏组件、储能系统