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3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset

3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset

3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset

Product Details:

Place of Origin: Guangdong , China
Certification: MSDS, UN38.3
Model Number: PL-401221

Payment & Shipping Terms:

Minimum Order Quantity: 2000
Packaging Details: standard export package
Delivery Time: 10-15 working days for mass order
Payment Terms: T/T, Paypal
Supply Ability: 100000 pieces per week
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Detailed Product Description
Battery Type: Lithium Ion Norminal Voltage: 3.7V
Size: 4.0mm*12mm*21mm Norminal Capacity: 65mAh
Application: Bluetooth Headset, Camera Warranty: One Year


3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset






Model DL-401221   65mAh
Nominal voltage 3.7V
Nominal capacity 65 mAh
4.0*12*21mm (with PCM)
  • 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
Operating environment Charging, 0°C ~ 45°C ; 65±20%RH
Discharging, -20°C~60°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.





Product picture:



3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset





1: working voltage 4.2 V - 3.7 V, stable charge and discharge voltage, high specific energy, small capacity attenuation, cycle life more than 500 times, 300 times circulation capacity retention rate more than 80%


2. built-in two-way protection IC circuit board, over charging protection voltage 4.20 V + / - 0.05 V, over discharge protection voltage 2.7 V + / - 0.1 V 3 maximum charging current for 1 c, the maximum discharge current for the 2 c. Recommended charging current 0.2 C to 0.5 C, 1 C discharge current




Our services:


1. One year warranty.

2. We will replace the broken parts with new parts in the next order.

3. Choose the cheapest and safest shipping company.

4. Track the order until you get the goods.

5. Welcome any feedback and advice for our products.



Extra service:


1. MOQ: Sample order is available.

2. OEM : The larger the quantity the cheapper the price.

3. ODM: 5000pcs, keep your design privately, and won't supply it to others.

4. Provide designed package depends on your needs.



Why does DELONGTOP Brand power bank are reliable?



1)  DELONGTOP is A power bank brand in china ,we cherish the brand image more than anything else ,Delong Company will never use any fake information to mislead and attract the client . we protect our brand like protecting our new born baby .


2) Delong company can controlling the quality from the first process ( Cell manufacturing ) to the end process ( Battery pack ),we will discard any defect cell once it has been inspected out to avoid any quality problem risk with our finished product ,we also can trace back by reviewing the production records from the beiginning process to the end process .


3) we established a mature after-sales service system which can protect the final consumer interests perfectly. our after sales team will respond any quality claims agains on DeLong brand power bank within 24 hours



3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset



3.7V Small Lithium Polymer Battery Packs 65mAh For Bluetooth Headset

Contact Details
Shenzhen Delong Energy Technology Co.,LTD

Contact Person: Iris Qin

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