The JA Solar DeepBlue 4.0 Pro JAM72D40 LB 615W is designed for high-efficiency solar arrays that demand strong performance, excellent reliability, and long-term energy stability. Using advanced n-type Bycium+ cells with a 16-busbar half-cell layout, this module delivers higher energy conversion, lower degradation, and improved performance under low-irradiance and high-temperature conditions. Its double-glass bifacial construction allows the rear side of the panel to capture reflected light, increasing total yield and improving LCOE outcomes for commercial and utility-scale installations.
Engineered for durability, the JAM72D40 LB features a reinforced dual-glass structure, IP68 junction box, and excellent resistance to PID, harsh weather, ammonia, salt mist, and sand. These characteristics make it suitable for demanding environments, including coastal regions, hot climates, agricultural sites, and long-term ground-mounted projects. With module efficiencies up to 23.2% in this series and strong mechanical load ratings, it ensures reliable output year-round.
Backed by a 30-year linear power output warranty and a 12-year product warranty, this 615W module delivers sustained long-term performance and exceptional energy gains. Its combination of high power, bifacial generation capability, and rugged design makes it an optimal choice for solar farms, large commercial rooftops, and high-capacity industrial installations that require maximum generation per square meter.
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Please note that the actual power output and efficiency may differ slightly from the rated value due to standard manufacturing tolerances, binning variations, and environmental conditions.
Payment Methods
We offer flexible and secure payment options suitable for both retail customers and large-scale procurement:
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Bank Transfer (T/T) – preferred and widely used for international orders
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Cryptocurrencies (USDT / USDC / BTC / ETH) – fast, simple and highly secure for cross-border transactions
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Escrow services – available for high-value orders above $100,000 USD
All payments are processed through trusted financial institutions to ensure maximum security, transparency, and peace of mind.
Delivery & Shipping
We ship globally and work with reliable logistics partners to ensure safe, efficient, and timely delivery to any destination. Depending on your location and order size, we provide:
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Worldwide door-to-door delivery
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Air freight, sea freight, and railway transport
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Express shipping for urgent orders
Shipping timelines may vary depending on customs procedures, regional regulations, and global transportation conditions. We always strive to deliver as quickly as possible and keep you informed at every step.
Packaging & Safety
All products are professionally packaged to guarantee safe transport, including shock-absorbent materials, reinforced pallets, and factory-certified protection standards. This ensures products arrive in perfect condition, even on long-distance international shipments.
We value transparency and real customer experiences. To maintain the highest level of trust, all our reviews are hosted on an independent professional review platform, where every rating and comment is verified and submitted exclusively by 100% real customers.
View verified customer reviews here:
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We take customer feedback very seriously, as it helps us continuously improve our service, logistics, and product offering. Maintaining a high customer satisfaction rate is one of our core values — and we are committed to ensuring that every client receives reliable products and exceptional support.
We work directly with leading solar manufacturers and factories, enabling us to offer highly competitive prices, preferential terms, and flexible purchasing solutions for distributors, installers, EPC contractors, and large-scale investors.
Why choose us for wholesale?
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Direct partnerships with Tier-1 factories
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Preferential pricing on bulk orders
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Fast production allocation
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Customized offers for large projects
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Dedicated account manager for ongoing support
Logistics Advantages
Thanks to our strong global logistics network, we can provide:
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Optimized freight rates for sea, air, and land transport
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Consolidation services for mixed orders
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Reliable delivery timelines (subject to global or regional force majeure conditions)
Our long-standing partnerships with freight forwarders allow us to provide cost-effective shipping and smooth handling from factory to final destination.
For custom quotations or project-based requests, feel free to contact us anytime — we are highly flexible and will offer the best possible solution for your needs.
