Featured OEM / ODM LiFePO4 Battery Solutions
Direct from Jiaxing Virtuous Technology Co., Ltd. cleanroom manufacturing lines: certified high-capacity BESS cabinets, residential stackable modules, and industrial-grade portable power units engineered to exact customer specifications.
418 kWh Liquid-Cooled C&I LiFePO4 Battery Cabinet
- 418 kWh Prismatic LFP
- Dual-Loop Liquid Chiller
- IP54 Outdoor Rated
5016 kWh Liquid Cooling LiFePO4 Container ESS
- 5.016 MWh Max Rating
- 20ft High-Cube Platform
- NFPA 68/69 Protection
313 kWh 400V Integrated Industrial BESS Enclosure
- 313 kWh Integrated
- 150 kW Bidirectional PCS
- HVAC Air-Conditioned
241 kWh Turnkey Commercial LiFePO4 ESS Cabinet
- 241 kWh Capacity
- Internal 100 kW PCS
- Multi-Level Aerosol FSS
HES-2505 Stackable 25 kWh LiFePO4 Home Battery
- 51.2V 100Ah Modules
- 5 kW Hybrid Inverter
- Modular Scalability
HES-1510 15 kWh Stackable Battery with 10 kW Inverter
- 15 kWh Net Storage
- 10 kW Dual-MPPT Inverter
- CAN / RS485 Native
MPB-5W5 5000W / 5040Wh Industrial Portable Station
- 5040 Wh LiFePO4 Core
- 5000 W Pure Sine AC
- Dual Solar PV Inputs
MPB-3WS3 3600W / 3072Wh Ruggedized Backup Unit
- 51.2V 60Ah Architecture
- 3600 W Rated Continuous
- Sub-15ms EPS Switching
Jiaxing Virtuous Technology: Manufacturing Scale & Capacity
Established in 2018 in Jiaxing, Zhejiang Province, Virtuous operates advanced assembly lines with multi-point OQC/IQC inspection protocols, automated laser busbar bonding, and full-spectrum compliance testing.
Vertically Integrated Manufacturing Rigor
Modern energy storage systems cannot rely on variable secondary cell markets. At Jiaxing Virtuous Technology Co., Ltd., we enforce rigorous incoming quality control (IQC) across all internal components—from cell internal resistance (IR) binning within ±0.05 mΩ deltas to direct voltage grouping within 2 mV variance. Every custom OEM LiFePO4 battery pack is engineered for high volumetric energy density, thermal uniform distribution, and extended cycle longevity.
Why Tier-1 Integrators Choose Virtuous OEM Factories
Combining cell-level thermal modeling, proprietary master-slave BMS firmware, and international regulatory readiness under a single roof.
Rigid Cell Quality Sorting
We partner directly with leading Tier-1 prismatic LFP cell producers. Automated sorting lines verify capacity, OCV, and AC internal impedance before pack-level welding to prevent early-life capacity fade.
Custom BMS Engineering
Hardware and embedded software tailoring: dual CANbus, RS485, Modbus TCP/RTU, and cloud telemetry protocols configured to seamlessly handshake with SMA, Victron, Deye, Sungrow, and Growatt inverters.
Global Regulatory Compliance
Complete documentation packets ready for customs and grid interconnects: UN38.3 test summaries, MSDS, IEC 62619, IEC 62040, CE-EMC/LVD, and UL 1973 / UL 9540 project certifications.
Global Field Service Support
Dedicated field support teams and engineering partners operating across the Middle East, North America, South America, and Europe for commissioning, warranty parts, and remote diagnostic assistance.
OEM Architectural Platforms: Technical Sizing Matrix
Compare mechanical configurations, thermal cooling mechanisms, voltage classifications, and typical deployment profiles across our custom OEM assembly lines.
| Platform Category | Nominal Voltage & Capacity | Thermal Architecture | Cell Topology | Cycle Durability | Target Applications |
|---|---|---|---|---|---|
| C&I BESS Liquid Cabinets | 768V – 1000V DC | 261 – 418 kWh | Direct liquid cold-plate (ΔT ≤ 2.5°C) | Prismatic 280Ah / 314Ah (1P240S/256S) | ≥ 6,000 cycles @ 0.5C/0.5C (80% EoL) | Peak shaving, microgrids, EV fast chargers, factory arbitrage |
| C&I All-in-One Cabinets | 400V – 650V DC | 241 – 313 kWh | Precision HVAC air-cooled, isolated ducting | Prismatic 280Ah (1P160S/192S) | ≥ 5,500 cycles @ 0.5C/0.5C (80% EoL) | Commercial rooftops, agricultural sites, distribution facilities |
| Modular Utility Containers | 1000V – 1500V DC | Up to 5016 kWh | Industrial water-glycol chiller & heat pump | Prismatic 314Ah high-density cells | ≥ 6,500 cycles @ 0.5C/0.5C (70% EoL) | Front-of-the-meter (FTM), grid firming, wind/solar farms |
| Stackable Residential ESS | 51.2V DC (LV) | 10 – 25 kWh | Natural convection & heatsink dissipation | Prismatic 100Ah / 200Ah (16S series) | ≥ 6,000 cycles @ 0.5C/1.0C (80% EoL) | Residential self-consumption, critical load blackout protection |
| Heavy-Duty Portable Power | 25.6V – 51.2V DC | 512Wh – 5040 Wh | Smart multi-fan forced ventilation | UL1642 certified automotive-grade LFP | ≥ 3,500 cycles @ 1.0C/1.0C (80% EoL) | Off-grid construction, broadcast, emergency disaster response |
Future Procurement Trends in LiFePO4 Energy Storage (2025–2030)
Crucial paradigm shifts EPC contractors, BESS developers, and OEM brand distributors must factor into multi-year battery pack procurement strategies.
Transition from 280Ah to 314Ah+ Density
Global factories are standardizing on 314Ah prismatic cells featuring modified cathodes and low-expansion graphite anodes. This upgrade delivers ~12% higher volumetric energy density within identical mechanical footprints, driving down Levelized Cost of Storage (LCOS) and container shipping overhead.
Dominance of Liquid Cooling in C&I
Forced air cooling is rapidly yielding to cold-plate liquid cooling across systems >200 kWh. By maintaining cell-to-cell thermal deviation under 2.5°C, liquid cooling prevents localized thermal degradation, increases round-trip efficiency (RTE) to >90%, and extends pack operating lifespan by up to 30%.
Stringent UL 9540A & Digital Battery Passports
North American and European jurisdictions require verified module-level and unit-level fire propagation test data (UL 9540A 4th edition). Concurrently, mandatory EU Battery Passport declarations necessitate verifiable carbon footprints and audited raw material traceability from mine to module.
Technical Blueprint: BMS Topology & Safety Containment in Custom Packs
When selecting a custom OEM LiFePO4 battery pack factory, electrical safety and control architecture dictate the total financial lifecycle of the asset. Unlike basic consumer battery packs, industrial and utility energy storage packs necessitate a three-tier hierarchical Battery Management System (BMS):
1. Cell Monitoring Unit (CMU / BMU): Directly mounted onto module busbars, sampling individual cell voltage at 1 mV precision and surface temperatures using NTC thermistors situated on positive and negative terminals. Integrated active or passive balancing resistors dissipate or shuttle charge to mitigate pack drift.
2. String Control Unit (BCU / SBMS): Gathers string-level parameters, controls primary DC contactors (positive/negative disconnects), calculates real-time State of Charge (SoC), State of Health (SoH), and State of Power (SoP) using extended Kalman filter algorithms, and executes pre-charging circuit routines to prevent inverter inrush current spikes.
3. Central Master EMS / System Controller: Orchestrates multi-string paralleling, grid frequency response, dynamic peak clipping, and Modbus/TCP telemetry to SCADA or cloud-based virtual power plant (VPP) aggregators.
Thermal runaway containment in Virtuous LiFePO4 packs combines non-propagating aerogel insulation blankets between individual prismatic cells with automatic aerosol or water-mist fire suppression systems triggered by dual-spectrum carbon monoxide (CO) and temperature detection sensors.
Verified On-Site Manufacturing & Testing Facility
Take an inside look at our facilities at No. 1888 Zhongshan West Road, Jiaxing, Zhejiang, China—audited and verified by TÜV Rheinland.
Custom LiFePO4 Battery Pack Factory FAQ
Definitive engineering and procurement answers for EPC developers, commercial installers, and wholesale distributors.
How do you guarantee cell consistency across high-voltage series strings?
Consistency is ensured through four-step cell sorting prior to laser welding: 1) Capacity classification under 0.5C constant-current charge/discharge; 2) Static open-circuit voltage (OCV) stabilization tracking over 14 days; 3) AC 1kHz impedance screening (±0.05 mΩ tolerance); 4) High-rate dynamic pulse tests. This eliminates mismatched inner resistance, ensuring balanced State of Charge (SoC) across 240S+ high-voltage battery strings without premature BMS cell-under-voltage trips.
When should a project select liquid cooling over HVAC air cooling?
Air cooling is cost-effective for moderate ambient environments (-10°C to +35°C) with low C-rates (≤0.5C daily cycling) and intermittent demand shaving. Liquid cooling is essential for: continuous 1C charge/discharge cycles; desert or tropical ambient conditions exceeding 40°C; high-density container layouts (>3 MWh per 20ft); and multi-cabinet installations where maintaining cell temperature delta under 2.5°C is required to validate 10-year manufacturer warranty terms.
What specific export documentation is required for maritime battery shipping?
All lithium iron phosphate battery shipments are classified under UN3480 (Class 9 Dangerous Goods). We provide the complete statutory compliance dossier for ocean freight bookings: UN38.3 Test Summary (T1-T8 vibration, altitude, shock, thermal, external short circuit), certified Safety Data Sheets (MSDS), Dangerous Goods Packing Certificates, and drop-test packaging compliance certificates. Systems containing pre-charged refrigerant also carry PED/CE cooling circuit declarations.
Can you flash custom CANbus protocols for third-party inverters?
Yes. Virtuous BMS firmware engineers pre-program or customize CAN 2.0B and RS485 communication protocols. Our BMS units natively support communication libraries for Deye, Victron Energy, GoodWe, SMA, Solis, Growatt, Megarevo, and Sungrow. We also support custom baud rates (e.g., 250k/500kbps) and custom telemetry registers for proprietary SCADA systems.
What is the factory minimum order quantity (MOQ) and lead time for OEM projects?
Standard catalog models (e.g., 51.2V 100Ah stackable modules or 600W–5000W portable power stations) carry an MOQ of 10–20 units with lead times of 15–20 days. Fully customized C&I BESS enclosures (241 kWh – 5016 kWh containers) with bespoke mechanical branding, specific HVAC/liquid cooling setups, and tailored electrical schematics require 35–45 days from engineering design sign-off to factory acceptance testing (FAT).
What trade terms and settlement currencies are supported?
We support international trade terms including FOB (Ningbo/Shanghai), CFR, CIF, EXW, FCA, CPT, DDP, and DDU. Settlements can be transacted via T/T, Irrevocable Documentary L/C at sight, and credit facilities for qualified long-term EPC accounts, accepted in USD, EUR, GBP, CAD, AUD, and CNY.