Custom Lithium ion Battery Pack
  • Customized R&D
    Customized R&D
  • quick response within 24 hours
    quick response within 24 hours
  • provide solution within 72 hours
    provide solution within 72 hours
  • 10-year after-sales service
    10-year after-sales service

The World's Leading Manufacturer Of Custom Lithium Ion Battery Pack

Large Power is a Chinese high-tech enterprises which dedicated to the R&D, manufacture and sales of rechargeable lithium ion battery packs. Large Power was founded in 2002, with its factory in Guangdong, China.

Since its establishment, Large Power is committed to serve global portable power bank ,storage energy battery pack,power battery pack ,backup battery pack ,special usage battery users. During 15 years development, Large Power has become a world's leading supplier of lithium ion battery pack.

  • 17 Years’ Experience in Custom Solutions

    Since its foundation in 2002, Large Power has been dedicated to provide the best custom lithium ion battery pack for worldwide users. And has accumulated rich experience in li ion battery field.

  • Over 60 People’s in R&D Team

    Large Power’s technical center covers ID design, electronics, mechanism, software, electrochemistry, power source, workmanship, measurement and control, signal processing and so on.

  • Over 3000 Successful Cases

    Large Power’s custom lithium ion battery packs were widely used in military, medicine, finance, communication, security and protection, logistics, mining, photovoltaic and 3C consumer products.

  • International Product Certifications

    Large Power’s custom li ion battery products are in compliance with IEC61960, IEC62133, IEEE-1725, UL2054,UL1642 standard and other international certifications.

Special lithium ion battery institute

Expert Team: include 9 professors and experts, 2 associate professors, 12 middle and senior title engineers, 2 of whom are from the national thousand talents program and 7 doctoral supervisors.
Team of the research institute: over 60 people. They have expertise in industrial design, electronics, power supply, structure, technology, software, measurement and control, electrochemistry and other professional technical categories.
Large Power has 99 patents, including 10 patents are for invention, 39 for utility model, 50 for appearance.

  • Chen Libao

    D.E. (doctor of engineering), “Advanced Scholar” distinguished Professor of Central South University

    Research direction: high-performance electrode material and power lithium ion battery, controllable synthesis of nanowire anode material, single nanowire micro battery structure and its limit ratio performance research, etc.

  • Wei Weifeng

    Expert of Central South University, doctoral advisor, lead manager of the youth project of the Recruitment Program of Global Experts

    Research direction:undamental research of new energy material application, including new battery material and device, reclamation of rare energy material, etc.

  • Wang Guoxiu

    Expert of Dongguan University of Technology, doctoral advisor, specially-invited expert of the Recruitment Program of Global Experts

    Research direction:Li-ion battery, Li-air Batteries, sodium-ion battery, lithium-sulfur battery, supercapacitor, hydrogen storage material, fuel cell, graphene and chemical functionalization ramification, etc.

  • Su Dawei

    Expert of Dongguan University of Technology, doctoral advisor, principal researcher of Sydney University of Technology

    Research direction: advanced energy storage and converting materials, including lithium ion battery, potassium ion battery, sodium ion battery, metal-air cell and lithium-sulfur battery materials.

  • Xue Jiaxiang

    Expert of Central South University, doctoral advisor

    Research direction:photovoltaic grid-connected inverter and its distributed power generation system, information processing technology and application, digitize switching power supply and intelligent control, intelligent sensor technology and networked measure & control, etc.

  • Li Chen

    Professor of Dongguan University of Technology

    Research direction: lithium-ion battery materials, antibacterial agent, energy-saving luminescent material, lightweight materials of reactive extrusion and new rubber material

Developed testing laboratory

Environmental lab, secure lab, power supply lab, ecology lab, aging lab, photovoltaic energy storage lab

  • Environmental Lab
  • Environmental Protection Lab
  • Power Lab
  • Electrical Performance Lab
  • Safety Lab
  • Photovoltaic Energy Storage Lab

Developed system and product qualification

Enterprise certification: ISO9001, ISO14001, OHSAS18000, BSCI, MFI, Wal-Mart certification

Military certification: Weapon Equipment Quality Management System Certification, Level-three Military Confidentiality Certificate of Scientific Research and Production Units of Weapons and Equipment Scientific Research and Production Certification of Weapons and Equipment

Product certification: ROHS, REACH, CB, UL, FCC, CE, CQC, UN38.3, CCC, BSMI, PSE, KC

Product quality and security

Core component of lithium ion battery: battery cell, BMS, structural component

Product liability insurance:Product liability insurance of Ping An Insurance (Group) Company, RMB30million, Policy certificate no:10590003900575009566

Cell:Apply the cell of well-known international brands and self-developed special cell of Large Power

BMS:Adopts imported components with multiple protection functions of communication, equilibrium, reverse charging, temperature protection, overcharging, over-discharging, over-current and short circuit

Structure and process design:Based on users’ requirements, we adopt process of explosion-proof, waterproof, dustproof, flame retardant, triaxial vibration, multi-point molding junction, film heating and heat balance management to ensure the security, reliability and stability of the product.

  • Customized R&D
    Customized R&D
  • quick response within 24 hours
    quick response within 24 hours
  • provide solution within 72 hours
    provide solution within 72 hours
  • 10-year after-sales service
    10-year after-sales service

Our Customers