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Customized R&D
24-hour Response
72-hour Solution
10-year Maintenance

Custom Solutions

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

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

Since its establishment, LiJian Technology is committed to serve global portable power bank, storage energy battery pack, power battery pack, backup battery pack and special usage battery users. During 19 years development, LiJian Technology has become a world's leading supplier of lithium ion battery pack.

Why Large Power

19 Years’ Experience in Custom Solutions

Since its foundation in 2002, LiJian Technology 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

LiJian Technology’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

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

International Product Certifications

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

R&D Team

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: there are over 60 people. They have expertise in industrial design, electronics, power supply, structure, technology, software, measurement, control, electrochemistry and other professional technical categories.
Large Power has 103 patents, including 11 patents for invention, 42 for utility model, and 50 for appearance.

Xue Jiaxiang

Expert of Central South University, doctoral advisor

Research direction: photovoltaic grid-connected inverter and its distributed power generation system, digitize switching power supply and intelligent control.

Zhou Gang

Postdoctor of Central South University

Research direction: high performance electrode material and lithium ion,explosion-proof, low temperature battery.

Li Chengchao

Distinguished professor of Guangdong University of Technology

Research direction:the designed synthesis of new energy materials and research of energy storage

Yuan Wei

Professor and doctor of mechanical and automotive engineering of SCUT

Research direction: hydrogen and methanol fuel cells, lithium ion batteries and other issues.

Ma Jianmin

Doctor, vice professor

Research direction: nanotechnology of Li/Na ion battery, capacitor and electro-catalysis; Organic anhydrous treatment project of intelligent power station and microorganism

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

Advanced Laboratory

Environmental Laboratory, Security Laboratory, Power Supply Laboratory, Ecology Laboratory, Aging Laboratory, Photovoltaic Energy Storage Laboratory

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

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: Cell, BMS, Structural Component

Product liability insurance：Product liability insurance of Ping An Insurance (Group) Company, RMB30 million, 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.