Special Lithium Cell

  • Low Temperature Cell<br>18650 3.6V 3350mAh
    Low Temperature Cell
    18650 3.6V 3350mAh

    -40℃ 0.5C discharge capacity≥60%
    -40℃~+55℃ working temperature

  • -40℃ Puncture Test<br> Explosion-proof 18650 2200m
    -40℃ Puncture Test
    Explosion-proof 18650 2200m

    Pass Puncture Test,Special Test
    -40℃ 0.5C discharge capacity ≥70%

  • Low Temperature LiFePO4<br>26650 3.2V 3300mAh
    Low Temperature LiFePO4
    26650 3.2V 3300mAh

    Charge at -20℃,Pass Puncture and
    shooting Test
    -40℃ 0.5C discharging capacity≥60%

  • Low Temperature Square <br> LiFePO4 3.2V 20Ah
    Low Temperature Square
    LiFePO4 3.2V 20Ah

    charge at -20℃,Pass Puncture
    Test and Special Test
    -40℃ 3C discharging capacity≥70%

  • Low Temperature <br>Polymer Cell
    Low Temperature
    Polymer Cell

    -40℃ 0.2C discharging capacity≥92%
    Multiple models,Customization available

  • Special Explosion-proof Cell
    Special Explosion-proof Cell

    Exia/Exd Pass Puncture Test,3mΩ short circuit temperature≤120℃

  • Wide Temperature Cell
    Wide Temperature Cell

    Pass Puncture Test,outstanding safety
    Discharge at -40~+60℃

Special Lithium-ion Battery

  • Low Temperature <br> Lithium-ion Battery
    Low Temperature
    Lithium-ion Battery

    Charge at -20℃,discharge at -40℃

  • Explosion-proof <br> Battery
    Explosion-proof
    Battery

    ATEX and IECEx Certified

  • High Safety Battery
    High Safety Battery

    Pass Puncture Test, Shooting Test

  • 24Years
    Lithium Battery
    Customization
  • 60+
    R&D Team
  • 6000+
    Customization
    Cases
  • 100million+
    Delivery of Lithium
    Battery Modules
The World's Leading Manufacturer Of Custom Lithium Battery Pack

Large Electronics (Hong Kong) Limited was established in 2002, with its factory in Guangdong, China. It is a  Chinese high-tech enterprise providing customized solutions and products for special lithium battery systems for global users.

The company has passed ISO9001, ISO14001, OHSAS18000, BSCI, MFI certification.

Core products: low temperature battery, explosion-proof battery, lithium power battery, energy storage battery, 18650 battery pack, etc.

Core Technology

  • High Energy Density/High Temperature
    High Rate/High Safety

    Volume energy density 700 watt-hours/liter
    100C continuous discharge, 80℃ high temperature continuous 200 cycles
    Pass puncture, heavy impact and other safety tests.

  • Low Temperature Charging Low Temperature Discharging

    - 40℃ Low Temperature 0.2C Charging，Charge and discharge over 300 cycles
    - 50℃ low temperature discharge,over 75% capacity retention ratio

  • Explosion- proof

    190~200Wh/kg High Energy Density
    Meet Ex ia\ib IIA\IIB T1~T4 explosion-proof standards.
    Pass puncture, heavy impact and other safety tests.

Special Lithium Battery Research Institute

The institute is jointly operated by Central South University, South China University of Technology and Dongguan University of technology. It is a special lithium ion battery research and development center, uphold the policy of "particular environment, special use and special performance requirements as the guidance, deep integration of production, education and research as innovation", makes every effort to meet the needs of unique user, so as to create a unique value for the user.

The research and development team of the institute has professional technical categories including electrochemistry, material science and so on .
6 professors and 12 engineers

  • Zhou Gang
    Zhou Gang

    Doctor of Science of Hunan University,Postdoctor of Materials Science
    High performance electrode materials and lithium-ion battery, explosion-proof lithium-ion battery, low temperature lithium-ion battery

  • Xue Jiaxiang
    Xue Jiaxiang

    Expert,doctoral advisor of Central South University
    Photovoltaic grid-connected inverter and its distributed power generation system, information processing technology and application, digitize switching power supply and intelligent control.

  • Yuan Wei
    Yuan Wei

    Professor and doctor of mechanical and automotive engineering of SCUT
    Hydrogen and methanol fuel battery, lithium ion batteries and other issues.

  • Li Chengchao
    Li Chengchao

    Doctor, professor, scholar of the Pearl River, distinguished Professor of Guangdong University of Technology
    The designed synthesis of new energy materials and research of energy storage

  • Li Chen
    Li Chen

    Professor of Dongguan University of Technology
    Research and develop lithium-ion battery materials, antibacterial agent, energy-saving luminescent material, lightweight materials of reactive extrusion and new rubber material

13+Professional Laboratory

Large Has set up professional laboratories for cell, battery, power supply, power tools and photovoltaic energy storage. They can independently complete the whole project testing with certification of raw/auxiliary materials, parts and battery modules, and the testing technology meets international standards.

  • Safety Test Lab
    Safety Test Lab
  • Physical Chemical Lab
    Physical Chemical Lab
  • Electronic Lab
    Electronic Lab
  • Photovoltaic Energy Storage Lab
    Photovoltaic Energy Storage Lab
  • BMS Lab
    BMS Lab
  • Electrical Performance Lab
    Electrical Performance Lab
  • Materials Lab
    Materials Lab
  • Electrical Simulate Lab
    Electrical Simulate Lab