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  • 01

    Industrial Battery

    The Best Lithium Battery Solution and Product
    Trustworthy Battery Provider and Partner

  • 02

    E-bike Battery.

    A vital part of any E-bike
    The best selection of all shapes and types for you

  • 03

    ESS Battery

    Custom energy storage battery ISO9001:2015
    quality management system manufacturer

  • 04

    LiFePO4 Battery

    10+ year's manufacturer
    Maximum Relability & Maximum Safety

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New Products

  • Bike
    brands

  • Special
    offers

  • Satisfied
    clients

  • Partners throughout
    the USA

WHY CHOOSE SOSLLI

  • why choose lithium-ion battery

    Lithium-ion battery chemistry has become the industrial battery chemistry of choice for everything from electric vehicles to energy storage, from commercial to utility to military applications. The advantages of lithium-ion battery chemistries include.
    · Higher energy density delivering long run times between charges
    · Compact size and light weight
    · Faster recharge times
    · Wider operating and storage temperature ranges
    · Long cycle life
    · Maintenance free operation

  • SOSLLI Services

    · 7/24 service, Quick response to clients' inquiries within 12hrs
    · Exclusive and unique solution provided to our clients by our experienced and professional engineers/researchers.
    · Solve the problems promptly (24hrs) if anything wrong with our products' quality.
    · The leading lithium battery manufacturer acquired ISO9001: 2015, UL, CE, RoHS, UN38.3, MSDS etc. certifications.
    · All SOSLLI battery products cover the US$1,000,000 products liability insurance by CPIC.

  • SOSLLI Advantages: (Strictly Implement ISO9001 Quality System)

    1. Production System 1600 employees, High quality equipments imported from Japan and South Korea creates an automatic production line.
    2. Production Quality 4-Dimensional quality system, 110 QC staff, 100% inspection. The industry top 10 suppliers, battery acquired CE, RoHS, UL, KC, IEC62133, MSDS,UN38.3, etc.
    3. OEM/ODM (Flexibly Customizable) 10+ years experience, Provide customers with the tailored battery module to meet different application requirements.
    4. Continuous Innovation 66+ professional engineers, R&D center and testing center with rigorous team organization, advanced equipments and enormous investment.

  • Sincere communication, commit to the achievement of customers and employees. Team work and focus on supply the best Li-ion battery products and services.Sincere communication, commit to the achievement of customers and employees. Team work and focus on supply the best Li-ion battery products and services.

    Corporate spirit

    Sincere communication, commit to the achievement of customers and employees. Team work and focus on supply the best Li-ion battery products and services.

  • Honest and diligent, Innovative and efficient,Quality and service, Cooperation and multi-win.Honest and diligent, Innovative and efficient,Quality and service, Cooperation and multi-win.

    Corporate value

    Honest and diligent, Innovative and efficient,Quality and service, Cooperation and multi-win.

  • Become a leading technology, excellent quality, innovative and efficient, and first-class service international new energy enterprise! Become a leading technology, excellent quality, innovative and efficient, and first-class service international new energy enterprise!

    Corporate mission

    Become a leading technology, excellent quality, innovative and efficient, and first-class service international new energy enterprise!

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Our Blog

  • The characteristics and advantages of polymer lithium batteries

    The three elements of an ordinary battery: positive electrode, negative electrode and electrolyte. The so-called polymer lithium battery refers to a battery system in which at least one or more of the three elements uses polymer materials. In lithium polymer battery systems, most polymer material...

  • Advantages, disadvantages and characteristics of lithium batteries

    Advantages 1. The energy is relatively high. The energy storage density is high, reaching 460-600Wh/kg, which is about 6-7 times that of traditional lead-acid ion batteries; 2. With lithium iron phosphate as the positive electrode, the battery is charged and discharged at 1C (100% DOD). There are...

  • Technical requirements of aluminum-plastic film for polymer lithium battery packaging

    As the main part of the cell’s internal isolation from the external environment, the aluminum film used in the packaging of lithium batteries not only has a certain mechanical strength to the external environment, but also has excellent chemical corrosion resistance to the internal chemicals. The...

  • Factors affecting the discharge performance of high-rate lithium batteries

    1. In high-rate lithium batteries, the capacity of the thin positive electrode is lower than that of the thick positive electrode. When discharging at the same rate, the current density flowing through the positive electrode is different. Under the same rate, the current density flowing through t...

  • Testing of lithium battery separators?

    As a core material of lithium-ion batteries, the performance of the diaphragm directly determines the interface structure and internal resistance of the battery, which directly affects the electrical performance of the battery. So what are the quality testing methods for the lithium battery diaph...

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