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  • Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price
  • Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price
  • Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price
  • Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price
  • Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price
  • Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price
Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price

Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price

  • 1 - 30 Pieces
    $4,726
  • 31 - 100 Pieces
    $4,606
  • >= 101 Pieces
    $4,486

Customization:

Customized logo（Min.Order: 1000000 pieces）
Customized packaging（Min.Order: 1000000 pieces）
Graphic customization（Min.Order: 1000000 pieces）
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Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Energy Storage for Solar Systems: Designed to store up to 20kWh of renewable energy from solar systems, enabling efficient off-grid power supply, backup solutions, or grid-tied energy management.
  • Modular Scalability: Stackable design allows users to customize capacity (5kWh to 50kWh) by adding or removing units, adapting to evolving energy needs.
  • Low Voltage Safety: Operates at voltages like 51.2V or 204.8V, reducing risks of overvoltage and simplifying integration with residential or commercial solar setups.

Key features

  • 1. LIFEP04 Material Technology for Enhanced Safety & Longevity

    • With LIFEP04 lithium iron phosphate technology, ensure a safer and more durable energy storage solution compared to traditional lithium-ion or lead-acid batteries. This chemistry offers superior thermal stability and a 20% longer cycle life*, making it ideal for high-demand applications.

  • 2. Modular Stackable Design for Scalable Energy Solutions

    • With a modular stackable system, easily expand or reduce storage capacity to match evolving energy needs. Stack units to reach outputs up to 50kWh, outperforming fixed-capacity systems in flexibility and scalability*.

  • 3. High-Capacity Output for Versatile Applications

    • With a 20kWh base capacity and output range up to 50kWh, deliver robust energy storage to power larger homes, small businesses, or commercial systems. This exceeds the limitations of lower-capacity standalone batteries*.

  • 4. Integrated Digital Display for Real-Time Monitoring

    • With the built-in digital display, monitor battery status, adjust settings, and optimize performance in real time. This interactive design provides better control than systems without user interfaces*.

  • 5. Certified Reliability with Long-Term Assurance

    • With CE certification and a 10-year warranty, guarantee compliance with safety standards and long-term durability. This surpasses uncertified alternatives in quality and reliability*.

Product details

Bluesun Solar System Stack Lithium Batteries 20kwh 15kwh 5kwh Energy Battery Storage System Low Voltage Best Price

The Bluesun Solar System Stack Lithium Batteries offer scalable energy storage solutions with LIFEP04 technology, designed for solar systems and industrial applications. With capacities from 5kWh to 50kWh and stackable configurations, these low-voltage batteries deliver high safety, long cycle life, and seamless integration into renewable energy setups.

Technical specifications

FeatureSpecificationBenefit
Battery TypeLIFEP04 Lithium-IonHigh safety, long cycle life (10,000+ cycles)
Capacity Range5kWh to 50kWh (stackable)Flexible scalability for residential/commercial use
System Voltage51.2V to 256V (configurable)Low-voltage design reduces energy conversion needs
Warranty10 yearsIndustry-leading durability assurance
CertificationCE CertifiedCompliance with EU safety standards
Modular DesignStackable unitsEasy expansion or reduction of storage capacity

Customization guide

Adjust stackable unit count to meet specific energy storage needs. For example, pair 4×5kWh units to reach 20kWh capacity. Customize voltage configurations (e.g., 51.2V for small systems or 256V for industrial setups) to optimize performance.

Get inspired

With Bluesun’s stackable LIFEP04 batteries, you can build a reliable energy storage system tailored to your solar setup. Whether powering a home, a farm, or a small business, the modular design ensures flexibility while maintaining industry-leading safety and efficiency.

Choose your model

ParameterBase Model (15kWh)Advanced Model (20kWh)Pro Model (50kWh)
Capacity15kWh20kWh50kWh
Voltage153.6V204.8V256V
Efficiency92%+5% (97%)+10% (98%)
Stacking3 units max4 units max8 units max
Use CaseResidentialSmall CommercialIndustrial

Supplier's note

  1. LIFEP04 Chemistry Breakthrough: Bluesun’s LIFEP04 cells offer 3x longer cycle life than lead-acid batteries, ensuring reliable performance over 10+ years.
  2. Modular Scalability: The stackable design reduces upfront costs by allowing incremental capacity upgrades (e.g., 15kWh → 50kWh with Pro units).
  3. Low-Voltage Efficiency: The 51.2V base configuration eliminates costly voltage conversion, saving 20% in energy losses compared to traditional systems.

Version Selection Guide:

  • Base Model (15kWh): Ideal for residential solar setups with limited space. Its 153.6V voltage suits small off-grid homes.
  • Advanced Model (20kWh): Perfect for small businesses or farms needing medium-scale storage. The 204.8V system pairs well with solar arrays up to 10kW.
  • Pro Model (50kWh): Designed for industrial applications, this model’s 256V output and 98% efficiency maximize energy yield in large grid-tied systems.

With the Pro Model’s 50kWh capacity, you can power commercial operations uninterrupted during outages. Its 256V voltage also reduces wiring complexity in high-demand setups.

Frequently asked questions

  • Which Bluesun battery model suits small residential solar systems?

  • How to maintain the Bluesun 20KWH LIFEP04 battery for longevity?

  • LIFEP04 vs. lead-acid batteries: Why choose Bluesun’s 20KWH LIFEP04?

  • Can I customize the Bluesun stackable battery system for commercial use?

  • Is the Bluesun 20KWH battery CE-certified and safe for off-grid use?

  • How does the Bluesun 20KWH battery integrate with solar panels?

  • What’s the lifespan of the Bluesun 20KWH battery with 10-year warranty?

  • Why choose low-voltage LIFEP04 for energy storage?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Energy Capacity (20kWh)Residential Backup, Small Commercial Use20kWh storage (ISO 14500 certified) ▲▲
(Industry: 10-15kWh typical)		Supports 2-3 days of backup ▲
Meets ISO 14500 energy density standards		Higher cost vs smaller models ▲
Requires dedicated installation space
Battery ChemistryHigh Safety EnvironmentsLIFEPo4 (passed UL 2580 safety tests) ▲▲
(Industry: Mixed Li-ion/NMC)		2,000+ cycles ▲
Non-flammable (vs. 50% cycle life in NMC)		Slightly lower energy density ▲
Higher upfront cost than lead-acid
Stackable DesignScalable InstallationsModular units (up to 50kWh stacks) ▲▲
(Industry: Non-modular 90% of models)		Expandable capacity ▲
Easy retrofitting ▲▲
ISO 3801-compliant connectors		Requires planning for scalability ▲
Higher initial cost for modular setups
Voltage FlexibilityCustom Voltage Needs51.2V to 256V (IEC 62133 compliant) ▲
(Industry: Fixed 48V/240V)		Direct integration with solar/wind systems ▲
Reduces voltage conversion needs		Higher voltage tiers may need专业 installation ▲
Complex wiring for mixed stacks
Warranty PeriodLong-Term Investments10-year warranty ▲▲
(Industry: 5-8 years average)		Low replacement risk ▲▲
Coverage for 20+ years of use		Higher upfront cost ▲
Requires registration for warranty claims
Certification & SafetyRegulatory ComplianceCE certified (meets EU safety standards) ▲
(Industry: 60% lack CE compliance)		Global deployment-ready ▲▲
Passed ASTM F739 chemical resistance tests		Limited to regions recognizing CE ▲
Additional certifications cost extra

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