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High Capacity NCM/NCA 21700 5500mAh Lithium Battery - China Suppliers & Factory for Long Endurance Applications

Introducing our high-capacity 5500mAh battery designed for premium performance in high-end endurance applications. With a voltage of 3.6V and an impressively low internal resistance of 12.0mΩ, this powerful battery supports fast charging at 10A and discharging up to 30A. Weighing in at less than 75.0g, our NCM/NCA ternary system battery is one of the top offerings from Changhong Sanjie, a renowned factory among China suppliers. Ideal for users seeking reliability and longevity, this battery is engineered to meet the demands of advanced technology environments. Choose our exceptional product for your high-performance needs today!

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    01

    Model

    IEC:LR6 ANSI:AA

    02

    Electrochemical System

    Zinc-Manganese Dioxide (Zn/MnO₂)

    03

    Weight

    Approx. 23.5 g

    04

    Nominal Voltage

    1.5V

    05

    Heavy Metal Content

    Hg≤1ppm, Cd≤20ppm, Pb≤40ppm

    06

    Typical Capacity

    3000 mAh(Test conditions: 10 mA, 24 h/d, 20 °C, end voltage = 0.8 V)

    battey-package

    Products FeaturesFeatures

    Changhong Alkaline Batteries provide long-lasting and stable power support for all your electronic devices. With improved leak-proof technology, they ensure the safety of your electrical appliances during continuous power supply. Whether for remote controls, children’s toys, smart door locks, flashlights or portable speakers, they deliver a steady 1.5V of strong power. Meeting global quality standards, they combine durability, safety and environmental friendliness, making them a reliable choice for daily household use and emergency backup power.

    Battery (2)
    Special sealing structure for safe and efficient leak prevention
    Special sealing structure for safe and efficient leak prevention
    Special sealing structure for safe and efficient leak prevention
    Battery (3)
    High-performance cathode materials and upgraded cell formula greatly enhance battery capacity
    High-performance cathode materials and upgraded cell formula greatly enhance battery capacity
    High-performance cathode materials and upgraded cell formula greatly enhance battery capacity
    Battery (1)
    K-treated steel can technology extends battery shelf life
    K-treated steel can technology extends battery shelf life
    K-treated steel can technology extends battery shelf life

    DetailsMORE DETAILS

    Production Process

    Production Process

    Produced on a fully automatic high-precision production line, the entire process from cell assembly and sealing to performance testing is carried out in strict accordance with standardized procedures.Multiple sealing techniques and precise structural design effectively enhance the battery’s sealing performance and stability. Every single battery undergoes multiple rounds of performance and safety tests to ensure consistent and reliable quality.
    Product Material

    Product Material

    Selected high-purity raw materials and high-density cathode materials deliver higher energy density and more stable discharge. Adopting a mercury-free eco-friendly formulation, the batteries are free of harmful substances such as mercury and cadmium, making usage and recycling safer. The rugged outer casing is impact-resistant, oxidation-resistant and corrosion-proof, adapting to a variety of application environments.
    Core Advantages

    Core Advantages

    • Stable 1.5V voltage output, long-lasting and strong power
    • Professional leak-proof structure to protect device safety
    • Mercury-free and eco-friendly, complying with domestic and international environmental standards
    • High endurance, longer service life
    • Wide operating temperature range, excellent environmental adaptability
    • Long shelf life, low self-discharge rate

    APPLICATION SCENARIOS

    • Remote controls for TV, air conditioners and set-top boxes

      Remote controls for TV, air conditioners and set-top boxes

    • Remote controls (2)

      Children’s electric toys, RC cars and game consoles

    • Wireless mice

      Wireless mice, keyboards and microphones

    • Smart door locks

      Smart door locks, doorbells and alarm systems

    • Flashlights, desk lamps and small fans

      Flashlights, desk lamps and small fans

    • Alarm clocks, radios, blood pressure monitors

      Alarm clocks, radios, blood pressure monitors

    solution to a problem or difficult situationSolutions

    Affordable Energy

    Affordable Energy

    Changhong alkaline batteries provide cost-effective power solutions for household, office, supermarket, commercial and industrial applications.

    Custom Packaging

    Custom Packaging

    12 The company is capable of packaging a full range of alkaline batteries (LR20/ LR14/ LR6/ LR03/ 6LR61/ LR8D425), including blister cards, heat shrink packaging, paper boxes, paper card packaging, etc. Customization is available according to customer requirements.

    Reliable Power

    Reliable Power

    Featuring high compatibility, stable performance, safety and reliability, our products meet various demands such as bulk procurement, long-term backup power and continuous usage. They are a convenient, reliable and cost-effective power choice.

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