51.2V 200Ah 10kWh LiFePO4 Server Rack Battery – Scalable Energy Storage System (ESS) for Solar & Backup
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Model: 51.2V 200Ah (10.24kWh) Rack Mount Module.
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Cell Technology: Tier 1 Grade A LiFePO4 Prismatic Cells.
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Cycle Life: 6,000+ Cycles @ 80% DOD (Design Life >15 Years).
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BMS Intelligence: Built-in Smart BMS with Dual CAN/RS485 Communication.
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Scalability: Parallel support up to 15 units (Total 153kWh).
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Compatibility: Works seamlessly with Victron, Growatt, Deye, Luxpower, and most 48V hybrid inverters.
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Warranty: 5 Years Standard (Extended warranty available for OEM).
Product Description
Empower Your Energy Independence with Balder Power’s 10kWh Rack Battery
The Balder Power 51.2V 200Ah LiFePO4 Server Rack Battery is the ultimate energy storage solution for residential solar systems, commercial UPS, and off-grid setups. Designed to fit standard 19-inch server cabinets, this 10.24kWh module offers a high-density power solution without the bulk of traditional lead-acid batteries.
Seamless Expansion & Scalability
Grow your energy storage as your needs increase. Our “Scalable” design allows installers to connect up to 15 battery modules in parallel. Whether you need a 10kWh system for a smart home or a 150kWh bank for a small factory, this battery adapts effortlessly without complex rewiring.
Safety First with Smart BMS
Safety is non-negotiable. Each unit is equipped with an advanced Battery Management System (BMS) that actively balances cells and protects against over-voltage, under-voltage, short circuits, and extreme temperatures. The integrated front-panel display gives users real-time insights into voltage, current, and State of Charge (SOC).
Why Choose Balder Power?
As a dedicated Lithium Battery Manufacturer, we ensure every unit undergoes rigorous aging tests before shipment. We offer full OEM/ODM customization—from casing color to BMS protocol adjustments—helping you build your own brand in the local market.
Technical Parameters
| Model | BPL512100R | BPL512200R | BPL512280R | BPL512300R |
|---|---|---|---|---|
| Nominal Energy | 5,120Wh (5.12kWh) |
10,240Wh (10.24kWh) |
14,336Wh (14.3kWh) |
15,360Wh (15.36kWh) |
| Rated Capacity | 100Ah | 200Ah | 280Ah | 300Ah |
| Nominal Voltage | 51.2V | |||
| Max. Charge Current | 100A | 200A | 200A | 200A |
| Max. Discharge Current | 100A | 200A | 200A | 200A |
| Dimensions (L×W×H) | 483×425×155 mm | 483×580×238 mm | 483×700×238 mm | 483×700×238 mm |
| Net Weight | 46 kg | 83 kg | 110 kg | 110 kg |
| Communication | CAN / RS485 / RS232 | |||
| Cycle Life | ≥6000 Cycles @ 80% DOD | |||
| Charge Temp | 0°C ~ 55°C (32°F ~ 131°F) | |||
| Discharge Temp | -20°C ~ 65°C (-4°F ~ 149°F) | |||
| Certificates | CE, UN38.3, MSDS, UKCA | |||
Features & Advantages
🔌 Plug-and-Play Installation
Designed with standard 19-inch rack mounting ears and quick-terminal connectors. Reduces installation time by 40% compared to wall-mounted units.
🔋 Grade A LiFePO4 Cells
We use only top-tier Lithium Iron Phosphate cells from major manufacturers (CATL/EVE/Gotion), ensuring high consistency and a lifespan of over 6000 cycles.
📡 Universal Inverter Compatibility
Pre-loaded with protocols for 95% of the market’s inverters (Victron, Pylontech, Goodwe, Growatt, etc.). Simple dip-switch settings allow instant matching.
🌡️ Intelligent Thermal Management
Built-in temperature sensors monitor cell conditions in real-time. The system automatically cuts off during low-temp charging to prevent lithium plating and permanent damage.
📊 LCD Visual Monitoring
A user-friendly LCD screen on the front panel displays critical data including SOC, pack voltage, and alarm status, eliminating the need for external meters.
🏗️ Robust Metal Enclosure
Housed in a durable, industrial-grade metal casing that provides excellent heat dissipation and physical protection against impact and vibration.
Manufacturing & QC Process
Precision Engineering: Our Energy Storage Battery Manufacturing Process
Quality is not just inspected; it is manufactured at every step. At Balder Power, we implement a rigorous LifePO4 production protocols that goes beyond industry standards. From automotive-grade cell sorting to 100% full-cycle aging tests, our transparent manufacturing process ensures every Energy Storage System (ESS) delivers maximum safety and longevity for your projects.
Custom Engineering & ODM Design
Our Wuhan engineering team translates your voltage and capacity requirements into precise CAD blueprints. We simulate structure and thermal management to ensure the battery pack fits your application perfectly before production begins.
Premium A-Grade Cell Sourcing
Quality starts at the core. We strictly select brand-new, A-grade LiFePO4 or NCM cells from Tier-1 manufacturers (like CATL, EVE, Ganfeng). We match cells specifically for your project's energy density and cycle life needs.
Precision Capacity & IR Sorting
To guarantee pack longevity, consistency is key. We utilize automated sorting machines to group cells with identical Internal Resistance (IR) and Voltage. This strictly eliminates the "barrel effect," ensuring the entire pack performs at peak efficiency.
Automated Matrix Spot Welding
Our robotic welding arms execute high-precision spot welding using pure copper strips. This process ensures low-impedance connections and structural rigidity, preventing vibration damage during transportation or mobile usage.
Smart BMS Integration & Wiring
The "Brain" of the battery is installed. We integrate advanced Battery Management Systems (BMS) with communication protocols (CAN/RS485). Technicians organize signal wires neatly to prevent short circuits and ensure accurate thermal monitoring.
Structural Assembly & Insulation
Before closing the case, we apply industrial-grade insulation and shock-absorbing materials. The semi-finished packs are inspected for layout integrity to meet IP protection ratings for dust and moisture resistance.
100% Aging Cycle Test & OQC
Zero tolerance for early failures. Every finished battery undergoes a rigorous aging test (Charge/Discharge cycles) to simulate real-world stress. Final OQC includes voltage checks, BMS communication tests, and visual inspection.
UN38.3 Compliant Safety Packaging
Safety extends to delivery. We use customized wooden crates and high-density foam that meet UN38.3 dangerous goods transport standards, ensuring your goods arrive safely via sea or air freight.
Packing & Delivery
Secure & Compliant Packaging
To ensure safe transit for Class 9 Dangerous Goods, every battery is protected with high-quality Pearl Wool (EPE Foam) and encased in UN-certified cartons. For bulk shipments, we utilize sturdy Plywood or Plastic Pallets wrapped in shrink film, fully compliant with international shipping regulations.
Global Shipping Options (Incoterms)
We support flexible shipping terms to suit your business needs, including FOB, CIF, and DDP (Door-to-Door including tax).
- By Sea: The most economical choice for bulk orders.
- By Air / Express: Fast delivery for samples (DHL/UPS/FedEx).
- By Railway: Reliable CR Express service for European and Central Asian markets.
Production Lead Time
Our lead time varies based on product customization:
| Product Type | Samples | Bulk Order |
|---|---|---|
| Standard Models | 15 - 20 Days | 25 - 30 Days |
| Customized Models | 30 - 40 Days | 30 - 40 Days |
FAQ
Q: Can I mix this 51.2V 200Ah battery with other 48V batteries?
A: It is highly recommended to use batteries of the same brand, capacity, and voltage. Mixing different chemistries or old/new batteries can degrade system performance.
Q: What is the difference between 48V and 51.2V?
A: 51.2V is the nominal voltage for a 16-cell (16S) LiFePO4 series, whereas “48V” is often a general term. Our 51.2V design is fully compatible with all 48V inverter systems and offers better efficiency.
Q: How do you ship these heavy batteries?
A: These are UN3480 Class 9 Dangerous Goods. We ship via specialized sea freight (DDP/DDU) with proper UN38.3 and MSDS documentation to ensure smooth customs clearance.
Q: Does this battery support communication with Victron inverters?
A: Yes, our BMS supports CAN bus communication perfectly compatible with Victron GX devices (Cerbo GX, etc.), allowing full system integration.
