Gold Member Since 2013
Audited Supplier
Shenzhen Quawin Technology Co., Ltd.

Li-Po Battery Pack, 3.7V Battery, Li-Polymer Battery manufacturer / supplier in China, offering 3.7V 4000mAh Li-Po Battery Pack, 5V 2A EU Plug Portable Battery Charger, AC to DC 5V 9V 12V 1A/2A Wall Charger Power Supply Switching Adapter 5.5 X 2.1mm and so on.

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Supplier Homepage Product Li-Polymer Battery Pack 3.7V 4000mAh Li-Po Battery Pack

3.7V 4000mAh Li-Po Battery Pack

FOB Price: Get Latest Price
Min. Order: 100 Pieces
Production Capacity: 50000/Month
Transport Package: Box
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: LP0037-4000-L
  • Connection Mode: Series and Parallel
  • Discharge Rate: Low Discharge Rate
  • Accessories Type: Battery
  • Standard Voltage: 1.5V~4.8V1.5V~4.8V
  • Delivery Date: 15days
  • Trademark: QW OEM
  • Origin: China
  • Type: Lithium-Polymer Battery Pack
  • Rechargeable: Chargeable
  • Size: Small
  • Rated Capacity: >1000MAH
  • Battery Type: Lipo Battery
  • Warranty: One Year
  • Specification: NO
  • HS Code: 850760000
Product Description
3.7V 4000mAh Li-Po battery pack
Inspection Item
Remark

Charge current
 

1.3A
 

 
 
Discharge current2.5A
 
 

Charge voltage
 

4.2V
 

 
 

Overcharge Protection Voltage
 

4.325±0.025V
 

Test the protection voltage of each cell
 

Over discharge Protection Voltage
 

2.50±0.05V
 

Test the protection voltage of each cell
 

Short circuit Protection Voltage
 

Auto Release
 

after short circuit
 

Resistance
 

100mΩ
 

As the wire for our test is very long.
 

Over current
 

5±1A
 

 
 

Continuous working current
 

2.5A
 

 
 

 Battery pack Specification

No.
 

Item
 

Performance
 

Remark
 

3.1
 

Normal voltage
 

3.7V
 

Discharge voltage after standard charging
 

3.2
 

Typical Capacity
 

4000mAh
 

Rate discharge capacity after charged fully
 

3.3
 

Battery cell
 

4000mAh
 

cylinder CELL
 

3.4
 

Safety board
 

PCM-LI01S2-184
 

Normal board (Customized type)
 

3.3
 

Composed type
 

1S1P
 

     
 

3.4
 

Max. Charge voltage
 

4.2V DC
 

  Charging voltage at CV mode
 

3.5
 

Max. Dimension(mm)
 

128*45*6.3mm
 

Including the PVC shrinked
 

3.6
 

Weight (g)
 

75g
 

Cells+PCM+Connectors+PVC+Package
 

Product Advantages:
1). Green product
2). Long standby time
3). One year warranty
4). Excellent safety performance
5). Excellent storage performance and low self-discharge rate
6). Short circuit testing passed
7). Overcharge testing passed
8). Over discharge testing passed
9). 150C thermal shock test passed
10). 1.2m drop testing passed

Spotlight:
1). Provide both single cells and battery packs
2). 100% inspection before delivery
3). Inspects inner resistance, discharge platform and self-discharge
4). Manufacturer of 18650 lithium ion battery, lithium polymer battery etc.
5). Tablished quality control systems under ISO9001
6). Stomized packs, tags, labels, plugs, connectors, over current protection,
Temperature cont8. L protection are available

Shipping terms:
1). Samples checking: Sending by Express ( DHL/UPS/FedEx/TNT, by air)
2). 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.
3). We are not responsible for any accidents, delays or other issues that are caused by the shipping.

Safety Precaution:
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
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