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    Reprehenderit qui in ea

    Manufacturer wholesale high quality 302030 120mAh headphone base charging stand polymer lithium battery

    Regular price Sale price $2.70
    SKU: AL-L7DG-7cawjv20[3]
    sales volume: 8
    classification: Hardware tools , Mechanical and Electrical Hardware , Battery/power accessories
    Add line Add protective board with wire
    One size fits all
    Buy now
    • Product description
    • After sales
    • deliver goods
    • payment
    • Customer evaluation
    • SPU: AL-L7DG-7cawjv20[3]
    • Product certification: ROHS
    • Storage temperature: normal temperature
    • Specifications: plus line
    • Specifications: with protective plate and wire
    • Product Type: Medium magnification

    Manufacturers customize polymer batteries of various sizes and support small batch customization. Use high-quality fire-proof and flame-proof polymer battery materials to ensure safety, even if the battery is short-circuited( Very low probability) , and also ensures that the battery will not catch fire or explode. We are committed to producing the safest batteries.( There are many types of polymer batteries, please contact us or call us for more information.)

    ​

    Please let us be your best partner:

    1. Our business model is that of a manufacturer, with guaranteed quality and competitive prices.

    2. Professional battery and battery pack production, passing testing, excellent technology, and product quality guaranteed.

    3. The inventory is sufficient and stable, and the manufacturer produces and ships quickly. ​

    1. Product pictures 602530- 400mAh ​ ​








    2. Battery pack specifications ​ ​ ​

    602530- 400mAh

    No.

    Item

    Specifications

    Comments

    4.1

    Capacity( capacity)

    400mAh

    ​

    4.2

    Max. charge voltage

    ( maximum voltage)

    4.2V

    ​

    4.3

    Max. charge current

    ( maximum current)

    1CmA

    ​

    4.4

    Min. discharge voltage

    ( minimum voltage)

    2.75V

    ​

    4.5

    Max discharge current

    ( maximum discharge current)

    1CmA

    ​

    4.6

    Charge temperature

    ( Charging temperature)

    -20 ℃~ +60 ℃

    ​

    4.7

    Discharge temperature

    ( Discharge temperature)

    -20 ℃~ +60 ℃

    ​

    4.8

    Storage temperature

    ( storage temperature)

    -20 ℃~ +35 ℃

    ​

    4.9

    Storage humidity

    ( Storage humidity)

    < 75%

    ​

    Protection board parameters

    ​

    NO

    Items

    Criteria

    1

    Over –charge Protection voltage. Overcharge protection voltage .

    4.2 ± 0.025V

    2

    Over –discharge Protection voltage. Over discharge protection voltage .

    2.75 ± 0.1V

    3

    Over –current detection voltage. Overcurrent detection voltage .

    0.15 ± 0.01V

    4

    Current consumption in normal operation

    Current consumption during operation

    9uA

    Max

    Safety performance

    ​

    serial number project standard Test method
    1 Overcharge performance No explosion, no fire battery in 1C5A Constant current and constant voltage charging to 4.8V and keep 48H
    2 Over-discharge performance No fire, no explosion After the battery is charged to the standard, the 0.2C5A Discharge to the termination voltage, and then use30 Ω The resistor connects the positive and negative terminals of the battery and leaves it aside24 sky.
    3 Short circuit performance No explosion, no fire After standard charging, the resistance is not greater than0.1 Ω The copper wires connect the positive and negative electrodes to the battery body where the temperature is close to room temperature.
    4 Heavy object impact performance No explosion, no fire After standard charging of the battery, place it on a flat surface with a diameter of 15.8mm The rod is placed in the middle of the height direction of the battery, so that the weight 9.1kg of heavy objects from 610mm Drop freely to the impact table.
    5 Thermal shock safety performance No fire, no explosion After standard charging of the battery, place it in a hot box at a temperature of(5 ℃±2 ℃)/ min rate rises to130 ℃±2 ℃ and keep warm 10Min .

    ​

    Strict process control:

    Various battery certifications complete








    ​

    Notice to buyers:

    Directly supplied from the factory. Since each battery requires different cable lengths and protective board parameters, please consult customer service before taking a photo to confirm the specific parameters before taking a photo.

    After sales information

    Within 15 days from the date of receipt, customers can be provided with an unconditional return service. The application for return of goods requires the consent of the merchant in the store.

    Procurement and delivery

    Delivery time: For products in stock, they will be shipped within 3 working days (excluding holidays) after you place your order and make payment. You will receive our notification after shipment.

    payment

    Credit card payment (quick payment) is a new payment method jointly launched by third-party payment platforms and major banks. It is one of the safest and easiest payment methods. Users do not need to activate online banking in advance, they can complete quick payments by entering information such as card face and mobile phone dynamic password. Quick payment allows various bank card users to conveniently make online payments without the need for special online banking activation.
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