Industrial Grade Off-Grid LiFePO4 Energy Storage Systems
Manufacturer & OEM/ODM Direct Supply for Solar Installers, System Integrators, and Energy Brands
Our off-grid energy storage systems utilize Grade-A prismatic lithium iron phosphate (LiFePO4) cells paired with modular hardware architecture. Designed for continuous microgrid cycling, solar self-consumption, and remote industrial deployment, these systems deliver reliable power independent of utility infrastructure.
We operate as a direct manufacturing facility, providing end-to-end custom engineering for voltage configurations, physical enclosures, and proprietary inverter communication protocols.
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Residential Off-Grid Energy Storage BatteryUtilizing Grade-A prismatic LFP cells, the stable olivine crystal structure of our cathodes withstands severe thermal and mechanical stress. This intrinsic safety completely neutralizes thermal -
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LiFePO4 Off-Grid Storage BatteryEngineered for residential, commercial, and industrial off-grid power systems, our LiFePO4 energy storage batteries deliver reliable, independent power without reliance on the public grid. Built with -
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Off-Grid Solar Energy Storage BatteryTraditional lead-acid storage degrades rapidly when discharged past 50%, requiring frequent bank replacements. Our prismatic Grade-A LiFePO4 cells are engineered to withstand heavy daily energy
Core Engineering Advantages
6,000+ Cycle Performance & Thermal Stability
Cell Chemistry: Utilizes stable olivine crystal structure LiFePO4 chemistry, eliminating thermal runaway risks associated with traditional NMC chemistries.
Service Life: Delivers 6,000 charge/discharge cycles at 80% Depth of Discharge (DoD) under standard operating conditions (25°C), reducing field replacement frequencies.
Usable Capacity: Operates at high coulombic efficiency (>98%), allowing full extraction of stored solar energy without voltage sag.
Hardware-Level BMS Architecture
The integrated Battery Management System (BMS) manages cell-level performance through dual hardware safeguards:
Real-Time Telemetry: Monitors individual cell voltages, pack current, and multi-point PCB/cell temperatures.
Active Protection Thresholds: Factory-calibrated cutoffs for over-voltage, deep discharge, short-circuit, and charging below 0°C (low-temperature cutoff or optional heating activation).
Inverter Protocol Integration
Standard and custom firmware options ensure physical and logical compatibility with major off-grid and hybrid inverter brands (such as Victron, Growatt, GoodWe, Deye, and SMA).
Communication Ports: Dual RS485, CAN 2.0B, and RS232 interfaces.
BMS Handshake: Custom baud rates and address mapping available for proprietary hybrid inverter requirements.
Mechanical & Environmental Protection
Enclosure Specifications: Cold-rolled steel housing treated with anti-corrosion powder coating, rated up to IP65 for outdoor or harsh remote installations.
Form Factors: Available in wall-mounted units, 19-inch rack-mounted modules, and heavy-duty floor-standing cabinet systems.
Specification Matrix
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Technical Parameter |
Standard Configuration Options |
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Cell Type |
Prismatic LiFePO4 (Grade-A) |
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Nominal Voltage |
12.8V / 25.6V / 51.2V / Custom high-voltage architectures |
|
Capacity Range |
Modular scaling from 50Ah to 300Ah+ per unit (parallel/series expandable) |
|
Communication Protocols |
CAN, RS485, RS232 |
|
Ingress Protection |
IP21 (Indoor) to IP65 (Outdoor cabinet solutions) |
|
Operating Temperature |
Charge: 0°C to 55°C |
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Certifications |
UN38.3, CE, IEC62619 compliant manufacturing standards |
OEM / ODM Customization Services
We provide comprehensive customization for B2B partners looking to scale proprietary energy storage brands:
Electrical Design: Custom nominal voltages, total energy capacities, and discharge current rates.
Software Integration: Tailored CAN/RS485 register maps to match specific inverter monitoring systems.
Enclosure Branding: Silk-screened corporate logos, custom RAL color powder coating, and private-label packaging with export-grade foam protection.
Manufacturing & Quality Assurance
Production follows a strict 4-stage internal quality control workflow:
Cell Sorting: Incoming Grade-A cells undergo automated sorting based on internal resistance (<= 0.5mOhm) and open-circuit voltage consistency (<= 5mV).
Pack Assembly: Precision laser welding of busbars, followed by insulation barrier verification.
Aging & Cycle Testing: 100% full-load charge and discharge burn-in testing under controlled thermal conditions.
Final Inspection: Dielectric withstand voltage testing, communication handshake verification, and serial-number traceability logging.
FAQ
As one of the most professional off-grid energy storage battery manufacturers and suppliers in China, our products have good reputation in the market. We warmly welcome you to buy high quality off-grid energy storage battery made in China here from our factory. Customized orders are welcome.
