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GPS , MP3 Bluetooth Lithium Polymer Battery 3.7v 503040 500mah

GPS , MP3 Bluetooth Lithium Polymer Battery 3.7v 503040 500mah

    • GPS , MP3 Bluetooth Lithium Polymer Battery 3.7v 503040 500mah
    • GPS , MP3 Bluetooth Lithium Polymer Battery 3.7v 503040 500mah
  • GPS , MP3 Bluetooth Lithium Polymer Battery 3.7v 503040 500mah

    Product Details:

    Place of Origin: China
    Brand Name: DELONG
    Certification: CE/ROHS/MSDS
    Model Number: DEL-503040

    Payment & Shipping Terms:

    Minimum Order Quantity: 500pcs
    Packaging Details: Standard Export Package
    Delivery Time: 5-10 Working days after Payment Confirm
    Payment Terms: T/T, Western Union, Paypal
    Supply Ability: 10000pcs Per Day
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    Detailed Product Description
    Voltage: 3.7v Capacity: 500mah
    Size: 5.0*30*40mm Weight: About 9g
    Cycle Life: More Than 500 Timess Colour: Silver
    Warranty: One Year MOQ: 500pcs

    GPS , MP3 Bluetooth Lithium Polymer Battery 3.7v 503040 500mah




    Model Del-503040
    Nominal voltage 3.7V
    Nominal capacity 500mAh
    Size thickness × width × length (mm)
    Max : 5.0*30*40 mm
    • High energy density
    • Safety and reliable(with PCM)
    • Long cycle life
    • no memory
    • Never explosion,stable performance,environment friendly
    • capacity and size could be customized
    Weight about 10g
    Max charge current 1C
    Charging method charge with constant current 1C to 4.2v,then charge with constant voltage 4.2v, till charge current less than 0.01C
    Max discharge current 1C
    Discharge cut-off voltage 3v, the over-discharge detection voltage of PCM
    Operating environment Charging, 0°C ~ 60°C ; 65±20%RH 
    Discharging, -20°C~80°C ; 65±20%RH
    Storage environment -20°C~45°C
    storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;
    CycleLife (80% Prime Capacity) : >500times   
    Charging Attention Charging current and charging voltage should be less than specified in the Product Specification.
    The charger shall be designed to comply with Specification.





    1.  Digital Products: Bluetooth, MP3,MP4,P-DVD, Cellular Phone

    2.  Portable Electronics: Notebook Computers, LCD light, Digital Camera, Emergency Lighting

    3.  Backup power supply, Medical Device,Electric nipper

    4.  Electric bicycles, HEV, EV




    Product Advantages:


    1)  Environmental friendly

    2)  High density of energy

    3)  Light weight
    4)  Low self-discharge
    5)  Low internal resistance
    6)  Long cycle life, chargeable up to 500 or 1000 times

    7)  No memory effect

    8)  Doesn’t contain Mercury, No fire, No explosion, No leakage

    9)  Very good and quick charge, capability can be charged to 90% within 10 min.

    10) Thickness can be adjusted while width and height keep the same



    1. Do not throw battery into water or make it wet;
    2. Keep the battery away from heat source(like fire or heater)
    3. Do not throw the battery into fire or heat the battery;
    4. Forbid to hammer to trample the battery;
    5. Forbid disassembling the battery in anyway





    1. We will ship the products within 15 workdays after receipt of payment.  
    2. We can ship to you by UPS/FEDEX/DHL and so on. Other shipping terms can also be arranged according to specific requirements.  
    3. We are not responsible for any accidents, delays or other issues that are the responsiblility of the shipping service.  





    1)  T/T, Western Union, PayPal payment is acceptable.

    2)  Samples and trial order accept PayPal ,T/T & Western Union.
        Normal order accept T/T & Western Union.

    3)  30% deposit after confirmed PI, the balance before shipping when goods are ready.

    Our service:
    1.  Respond in 24 hours for any inquiry and consultation on our EV battery product .
    2. Take actions quickly for normal client's claim within 24 hours 
    3. Good after sales service : we offer one and half year quality warranty to our client ,we will take responsibility if there is any quality
    4.  Quality Control: One by one test before shippment.




    1.   Q:  Can i get some samples for test?

          A  : Of course, the sample is available for test.


    2.  Q:  Can you customize the size of battery whatever i asked for ?

         A: Yes, we acept the OEM and ODM.


    3.  Q: The capacity of battery pack is real,right?

         A:  Of course yes.


    4.  Q: Can we use the lithium polymer cell to customize the battery pack?

         A: Of course yes. Tell me your special requirement, such as the dimension, continue current, weight,               charging time, and so on, we will design the battery which can be best suitable for your project. 



    Contact Details
    Shenzhen Delong Energy Technology Co.,LTD

    Contact Person: Victor

    Send your inquiry directly to us (0 / 3000)