1. To adopt lithium batteries with high-quality clearance, it is necessary to supply a single battery with good performance from a supplier with a strong pass. The single battery has undergone a series of insurance tests and functional tests, and it can be used after passing. 

    2. The internal resistance of the lithium battery is low and the consistency is good. Regardless of the 14.8V lithium battery pack or other energy storage battery packs, the low internal resistance must be guaranteed to ensure the capacity, platform, and heat dissipation of high-current discharge. 

    3. The battery structure adopts a ventilated design, and the spacing between the two adjacent batteries is not less than 2mm. This structure requires a plastic bracket to fix the battery. 

    4. The PACK battery factory uses slotted nickel flakes for spot welding. The size of the nickel flakes is satisfactory for high-current discharge requirements, the nickel flakes are guaranteed to have low internal resistance, the spot welding machine guarantees firm work, and the welding needles guarantee quality. The operator is trained to inspect and pass the test. After spot welding, check whether the solder joints are strong.In addition, vibration experiments are performed on each batch of products to verify the anti-vibration function. 

    5. Different batches of batteries are made into model finished products and life experiments are done. When the lithium battery pack design standards are summarized, the finished battery is tested for reincarnation to obtain the actual reincarnation life. 

    6. Verify the high and low temperature function of the battery.The batteries of different PACK lithium battery manufacturers are made into finished products and tested at different magnification at high and low temperatures to obtain the actual discharge curve.

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