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E-bike lithium battery packs for electric bicycle manufacturers
DEFLY EV POWER homepage design reference showing navigation, battery product categories and DEFLY business divisions

We design and manufacture custom lithium battery packs for electric bicycle, electric motorcycle, electric scooter and electric tricycle manufacturers.

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Custom lithium battery pack for electric two-wheelers and three-wheelers

Battery PACK Solutions for Electric Two-Wheelers & Three-Wheelers

Explore our lithium battery PACK solutions for electric bicycles, motorcycles, scooters and three-wheelers. Custom configurations are available based on your vehicle requirements.

                      Custom Battery PACK OEM & ODM Solutions

We support customized lithium battery PACK projects for electric two-wheelers and three-wheelers, from electrical design and component selection to BMS solutions and manufacturing.

Custom lithium battery PACK OEM and ODM solutions for electric two-wheelers and three-wheelers

                                Battery Engineering & BMS Support

We provide engineering support for lithium battery PACK projects, including electrical design, cell selection and BMS configuration. Our team works with your drawings, technical specifications and application requirements to support reliable battery pack manufacturing.

Electrical design support for lithium battery packs used in electric two-wheelers and three-wheelers
LFP and NMC lithium battery cell selection for electric vehicle battery packs
Battery management system BMS configuration for lithium battery packs

                           Battery PACK Testing & Quality Control

Every battery pack goes through a series of inspections and tests during production and before delivery. Our testing process covers electrical performance, BMS functions, battery capacity and environmental reliability to help verify product quality against approved specifications.

Voltage and internal resistance testing of lithium battery packs Charge and discharge testing of lithium battery packs using testing equipment Capacity testing of lithium battery packs using battery test equipment

   Voltage & Internal Resistance

    Charge & Discharge Testing

             Capacity Testing

   Voltage and internal resistance checks for battery       cells and finished packs.

      Charge and discharge performance verification          according to project specifications.

       Battery capacity measurement to verify pack               performance.

BMS function testing for lithium battery packs Aging testing of lithium battery packs in a manufacturing facility High and low temperature and vibration testing of lithium battery packs

   BMS Function Testing

           Aging Testing

   Environmental Testing

Functional checks of the battery management system.

Aging tests to evaluate battery pack operation and performance.

High- and low-temperature testing, plus vibration testing where required.

Quality Inspection Before Delivery

Finished battery packs are also inspected for appearance, assembly quality and functional performance before delivery.

Lithium battery pack manufacturing and assembly at DEFLY factory
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