Industrial-Grade Energy Customization

OEM Lithium Ion Battery Pack 48V Manufacturer & Suppliers

High-performance LiFePO4 battery architectures engineered for extreme environments, heavy-duty industrial vehicles, telecom systems, and customized utility applications.

Primary Product Portfolios (Part I)

Explore our foundational LiFePO4 and Lithium-ion solutions certified to global compliance standards including CE, ISO 9001, and UN38.3.

LAXpower-1230 12V 30Ah LiFePO4

High-Quality Caravan mover battery LAXpower-1230 12V 30Ah LiFePO4 battery pack with built-in charger and SOC

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EVE LF304 3.2V 304Ah

China eve lf304 3.2V 304ah Prismatic Cells Lithium Battery Manufacturers, Factories

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CE Energy Solutions

CE Certification Energy Solution Manufacturers, Product Energy Solutions

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12V 30Ah Golf Trolley

China Lithium Battery LiFePO4 12V 30Ah for Golf Trolley Battery Deep Cycle Strap Binding Install

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12V 130Ah LiFePO4

CE Certification High power excellent discharging performance 12V 130Ah LiFePO4 battery pack for motor home

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12V 100Ah LiFePO4

Best 12V 100Ah LiFePO4 Battery Replacement Lead Acid Battery Pack Supplier, Factory

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12V 100Ah Solar

High-Quality Deep Cycle 100Ah Solar System Lifepo4 Batteries 12V Rechargeable Lithium Batteries

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Integrated Power System

High-Quality Integrated Power System with Internal Batteries Factory, Factories

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Why 48V Lithium-Ion Battery Packs are the Modern Industrial Standard

The transition from legacy low-voltage configurations (12V/24V) to 48V Lithium-ion systems is driven by electrical efficiency and thermal management demands. In high-power applications, elevating the system voltage to 48V reduces the electrical current by 75% compared to 12V configurations to deliver the identical wattage. This dramatic reduction in current minimizes resistive heat generation (I²R loss), enabling the use of thinner, lighter, and more cost-effective wiring harnesses.

For global enterprise buyers, custom 48V LiFePO4 (Lithium Iron Phosphate) pack designs provide a perfect balance of safety, output density, and regulatory convenience. 48V DC operates within the Safe Extra-Low Voltage (SELV) threshold under international electrical safety standards. This means that systems using our 48V configurations avoid the costly safety compliance requirements associated with high-voltage architectures (exceeding 60V DC), while still delivering substantial power for motor control systems, telecom backups, and energy storage equipment.

Key Advantages of 48V LiFePO4 Chemistry

  • Enhanced Thermal Stability

    LiFePO4 chemistry will not experience thermal runaway or release oxygen under mechanical puncture, crushing, or high ambient temperatures.

  • Superior Cycle Life

    Delivers over 2,800 full cycles at 1C charge/discharge and 100% Depth of Discharge (DOD), maintaining above 80% initial capacity.

  • Wide Temperature Operational Range

    Proven discharge functionality spanning extreme temperature thresholds from -40°C up to 85°C.

Hangzhou LIAO Technology Co., Ltd.

Leveraging 15+ years of dedicated R&D, certified quality control processes, and a world-class domestic manufacturing supply chain.

Founded in 2009, Hangzhou LIAO Technology Co., Ltd. has established itself as an industry-leading OEM and ODM manufacturer specializing exclusively in high-performance lithium iron phosphate (LiFePO4) battery packs. With global networks stretching into more than 20 countries, we serve tier-one industrial clients, telecom operators, and specialized vehicle OEMs in Germany, France, the Netherlands, Spain, the United Kingdom, the USA, Canada, Brazil, Australia, Korea, Japan, India, and South Africa.

Our core competence lies in custom multi-cell configuration, intelligent Battery Management System (BMS) design, and automated industrial manufacturing. All fabrication processes strictly adhere to the ISO 9001 Quality Management System, the ISO 14001 Environmental Management System, and the ISO 45001 (formerly ISO 18001) Occupational Health and Safety Management System.

2009
Year Founded
20+
Countries Exported
2800+
Cycles at 100% DOD
500+
Custom Designs
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Why Partnering with a China-based OEM Manufacturer Accelerates Growth

China leads the global lithium-ion supply chain, controlling over 75% of cell component refinement and pack manufacturing capacity. By collaborating directly with our Hangzhou factory, enterprise clients access structural advantages that reduce both initial capital expenditure (CAPEX) and total cost of ownership (TCO).

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Vertically Integrated Raw Materials

Our strategic location allows direct procurement of premium grade-A prismatic cells (such as EVE 304Ah and similar class-leading brands) at wholesale cost. This eliminates intermediate import duties and transport markups, passing savings to global buyers.

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Rapid Prototype Development

Our in-house engineering team works directly with layout designers. We convert initial mechanical drawings and electrical specifications into field-testable, high-current BMS battery pack prototypes in days rather than months.

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Advanced Automation & Testing

By implementing precision laser welding, computerized cell matching, and continuous thermal cycling equipment, we guarantee uniform module behavior and pack consistency across large-scale production runs.

Tailored Macro-Industry Solutions & Custom Battery Applications

We design and build lithium-ion batteries tailored to the unique operational environments of diverse industries, delivering optimized voltage stability, communication protocols, and physical durability.

Golf Carts & Light Electric Vehicles (LEVs)

Transitioning fleets to 48V LiFePO4 packs replaces heavy lead-acid configurations while eliminating maintenance. Our battery packs are designed to handle steep climbs and rugged terrains, offering high peak discharge rates and smart BMS safety integrations.

  • Direct Drop-in Replacement for standard golf cart trays.
  • Significant weight savings improve drive efficiency and reduce tyre wear.
  • Compatible with standard CANbus / RS485 communication protocols.
Golf Cart Battery Solutions
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Caravan Movers & RV House Power

Modern caravans and motorhomes demand quiet, reliable, and space-saving backup power. Our custom caravan mover packs—exemplified by the champion-tested LAXpower-1230—deliver high cranking currents to power heavy maneuvering motors on loose ground.

  • Integrated charger configurations for streamlined installation.
  • Real-time SOC (State of Charge) display for user peace of mind.
  • Advanced cell isolation guarantees silent operation and zero toxic outgassing.
Caravan Mover Battery Solutions
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Heavy Industrial Vehicles & AGVs

Industrial environments present unique challenges like constant vibrations, physical impacts, and long operating shifts. Our heavy-duty 48V forklift and Automated Guided Vehicle (AGV) battery packs support rapid opportunity charging, keeping material handling equipment running 24/7.

  • Durable structural steel enclosures resist shock and vibration.
  • BMS design supports high continuous discharge currents (1C to 3C).
  • Opportunity charging compatibility minimizes downtime and boosts fleet utilization.
Industrial Vehicle Battery Solutions

Marine Propulsion & E-Boat Systems

Our marine lithium battery packs are engineered to withstand high humidity and corrosive environments. Providing clean, silent, and eco-friendly energy, these packs are ideal for electric boats, passenger ferries, and hybrid auxiliary power.

  • Corrosion-resistant components and IP65/IP67 rated enclosures.
  • Integrated battery management systems ensure cell balancing and protect against overcharging.
  • Consistent voltage output maintains steady marine motor performance.
Marine Battery Solutions

Precision Manufacturing & Stringent Quality Assurance

We design and build every custom battery pack to meet the highest safety and performance standards. Every stage of production, from cell incoming quality control (IQC) to final package out-of-box audit (OBA), is monitored and recorded.

Engineering Capabilities & R&D Excellence

Our dedicated team of electrical, mechanical, and software engineers brings over 15 years of industry experience. We specialize in designing custom battery solutions that meet demanding application requirements.

Whether engineering custom enclosures for tight physical spaces, integrating specialized communication protocols, or developing thermal management designs for extreme temperatures, our team delivers reliable, high-performance battery systems.

LIAO Engineering Team LIAO Design Process

Core Production Line Operations

Our manufacturing facility utilizes advanced production machinery and precise processes to ensure consistency and reliability in every batch:

  • Rolling & Die Cutting: Highly accurate electrode preparation sets the foundation for high-quality cells.
  • Vacuum Baking: Complete removal of moisture ensures chemical stability and prevents cell degradation.
  • Capacity Sorting & Cell Matching: Every cell is sorted by internal resistance and capacity to guarantee uniform pack performance.
  • Laser Welding: Fully automated, high-precision laser welding creates low-resistance electrical connections.
  • Final Pack Assembly: Comprehensive BMS calibration, dynamic load testing, and vibration verification.

Factory Operations & Tour Gallery

Credentials, Patents & Industry Compliance

Our focus on design excellence and rigorous testing is validated by patent ownership and testing certifications from independent European testing laboratories.

Meeting the Sourcing Requirements of Global Enterprises

For purchasing directors and engineers managing global supply chains, our OEM service model provides a transparent, low-risk path from development to volume shipping.

Strategic Supply Chain Features

  • Customizable BMS Hardware: Choose protocols (CANbus, Modbus, RS485, SMBus) to integrate directly with existing drive units and motor control systems.
  • Flexible Enclosure Engineering: We design custom housings using cast aluminum, cold-rolled sheet steel, or structural plastic (ABS/PC) to meet dust and waterproof requirements (up to IP67).
  • Global Logistics Compliance: All shipments include complete UN38.3 test summaries, MSDS documentation, and compliance certificates, ensuring smooth international transit and customs clearance.

A Selected Overview of Our Sourcing Partners

We supply battery packs to engineering firms, system integrators, and distributors worldwide. Our components are integrated into logistics fleets, utility networks, and backup power grids globally.

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Deep Technical FAQ: OEM 48V Lithium-Ion Battery Packs

Q1: What are the primary performance advantages of LiFePO4 chemistry over NMC for 48V packs?

While Nickel Manganese Cobalt (NMC) chemistries offer slightly higher volumetric energy density, Lithium Iron Phosphate (LiFePO4) is preferred for industrial applications due to superior safety, longevity, and thermal stability.

LiFePO4 cells do not experience thermal runaway or release oxygen under puncture or mechanical impact. They also offer a longer cycle life (2,800+ cycles at 100% DOD compared to 500-1,000 for NMC) and maintain stable voltage output throughout discharge, maximizing total runtime.

Q2: Can your 48V battery packs operate in sub-zero and extreme high-temperature environments?

Yes. Our lithium-iron phosphate battery packs are engineered to operate across a broad temperature range from -40°C to +85°C. For sub-zero operations, we can integrate custom internal heating elements within the BMS to warm the cells before charging begins, preventing lithium plating and ensuring safe operation in cold climates.

Q3: How does the Battery Management System (BMS) protect and optimize the pack?

The BMS serves as the brain of the battery pack. It monitors every cell's voltage, current, and temperature in real-time, providing comprehensive protection:

  • Over-charge and Over-discharge protection: Disconnects the load or charger to prevent cell damage.
  • Thermal management: Restricts operations if temperatures exceed safe thresholds.
  • Cell balancing: Maximizes usable capacity and extends the pack's overall lifespan.
  • Communication integration: Supports CANbus, RS485, and Modbus protocols for seamless communication with the host system.
Q4: What customization options are available for OEM clients?

We provide comprehensive custom engineering services to meet your specific requirements:

  • Enclosure & Packaging: Custom sheet metal, cast aluminum, or plastic housings designed for specific physical dimensions and IP ratings (IP54 to IP67).
  • Electrical Configuration: Customized capacity, discharge rates, and peak current profiles.
  • Communication & UI: Specialized communication protocols, custom state-of-charge displays, and integrated charging solutions.
Q5: What international shipping and safety compliance certifications do you hold?

Our manufacturing facilities operate under ISO 9001 and ISO 14001 quality systems. For transport and market access compliance, our battery designs are certified to meet:

  • UN38.3: Certifying safe transport for lithium batteries.
  • CE & RoHS: Demonstrating compliance with European safety and environmental standards.
  • IEC 62133: Confirming safety under electrical and mechanical stress.

Primary Product Portfolios (Part II)

Advanced storage packs, high-capacity industrial units, and alternative backup setups designed for global energy applications.

48V 20KW All In One ESS

China 48V 20KW All In One lithium Batteries Solar Energy Inverter lifepo4 ESS Energy Storage System

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12V 30Ah LiFePO4 RV

CE Certification Lifepo4 Battery Pack 12V 30Ah for Lithium RV Battery Camping Caravan AGV UPS Storage

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48V 60Ah UPS Battery

OEM 48V 60Ah UPS Battery with High Quality for Home Uninterruptible Power Supply

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Marine 12V 50Ah

High-Quality Marine Starting Batteries 12V 50Ah Manufacturers, Factory

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12V 20Ah UPS Battery

China Lifepo4 Battery Lithium Battery 12V 20Ah UPS Batteries Backup Replacement Lead Acid

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12V Golf Cart Batteries

High-Quality 12 volt golf cart batteries with BMS Manufacturer, Factory

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24V 36Ah LiFePO4 Forklift

High-Quality Powerful 24V 36Ah Lifepo4 Battery for Forklift Supplier, Suppliers

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12V 200Ah LiFePO4

Best Seller Lead acid replacement Solar RV Marine 12V 200Ah LiFePO4 Lithium Ion Battery

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