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Special Design Slim Lithium Polymer Battery 3.7v 300815 15mah 3mm Thickness

Special Design Slim Lithium Polymer Battery 3.7v 300815 15mah 3mm Thickness

Special Design Slim Lithium Polymer Battery 3.7v 300815 15mah 3mm Thickness

Product Details:

Place of Origin: China
Brand Name: DELONG
Certification: CE/ROHS/MSDS
Model Number: DEL-300815

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: 15mah
Size: 3.0*8*15mm Cycle Life: More Than 500 Timess
Colour: Silver Warranty: One Year

Special Design Slim Lithium Polymer Battery 3.7v 300815 15mah 3mm Thickness




Model Del-300815
Nominal voltage 3.7V
Nominal capacity 15mAh
Size thickness × width × length (mm)
Max : 3.0*8*15mm
  • 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 8g
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




Packing & Shipping:

(1)  We can pack your goods as Blister or your requirements.

(2)  Samples checking: sending by Express ( DHL / UPS / FEDEX/ TNT ,by air)

(3)  Bulk production: sending out by cargo shipping / air/freight / Express
      (DHL/UPS/FedEx/TNT),or we can  accept other shipping terms according to
      your requirements.

(4)  We are not responsible for any accidents, delays or other issues that are caused by
      the shipping. 





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

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