The Huawei LUNA2000-21-S1 is a high-capacity smart energy storage system designed for large residential properties, commercial buildings, and advanced hybrid solar installations requiring extended backup and high power output. With 20.7 kWh of usable energy delivered through three modular 6.9 kWh battery units, the system provides exceptional scalability, reliability, and long-term performance.
Built on lithium iron phosphate (LiFePO₄) cell technology, the LUNA2000-21-S1 offers enhanced thermal stability, long cycle life, and superior safety. Its intelligent modular architecture enables optimized energy management, while the system supports up to 10.5 kW charging and discharging power, making it ideal for high-load applications and peak shaving scenarios. The battery integrates seamlessly with Huawei SUN2000 hybrid inverters and supports both single-phase and three-phase systems.
Engineered for both indoor and outdoor installations, the system features an IP66-rated enclosure, natural convection cooling, and advanced communication via RS485, Fast Ethernet, and CAN. Backed by Huawei’s 10-year standard warranty, the LUNA2000-21-S1 delivers dependable, long-term energy storage for demanding solar and backup power applications.
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.
