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  • Small Li-polymer battery 3.7V 300mah

Small Li-polymer battery 3.7V 300mah

  • US$1.87 + Shipping Cost
    Quantity: Lot

      Description:

      Quick Details

      Place of Origin:Hebei China (Mainland)Brand Name:LINGLIModel Number:303040
      Type:Li-polymerNominal Voltage:3.7vSize:3*40*40mm
      Nominal Capacity:300mahassemble:cell,PCB,wire ,connectorcolor:white

      Packaging & Delivery

      Packaging Detail:cartons or as your requirement
      Delivery Detailwithin one week

      Specifications

      1)Li-polymer battery 300mah
      2)Ultra thin battery
      3)OEM/ODM offered
      4)low price high quality

      • Nominal voltage:3.7V
      • Capacity300mah
      • Cycle life:500times 

      No.

      Item

      General Parameter

      Remark

      1

      Rated Capacity

       

      Typical

      300mAh

      Standard discharge(0.2C C5A) 

      after Standard charge

      Minimum

      290mAh

      2

      Nominal Voltage

      3.7V

      Mean Operation Voltage

      3

      Voltage at end of

      Discharge

      2.75V

      Discharge Cut-off Voltage

       

      4

      Charging Voltage

      4.2±0.03V

       

      5

      Internal Impedance

       

      ≤150mΩ

      Internal resistance measured 

      at AC 1KHZ after 50% charge

      The measure must uses the 

      new batteries that within one

       week after shipment and 

      cycles less than 5 times

      6

      Standard charge

      Constant Current 0.5C5A

      Constant Voltage 4.2V

      0.01 C5A cut-off

      Charge time : Approx 4.0h

       

      7

      Standard discharge

      Constant current 0.2 C5A

      end voltage2.75V

       

      8

      Fast charge

      Constant Current 1C5A

      Constant Voltage 4.2V

      0.01 C5A cut-off

      Charge time : Approx 2.5h

      9

      Fast discharge

      Constant current 1 C5A

      end voltage 2.75V

       

      10

      Maximum Continuous Charge Current

      1 C5A

       

      11

      Maximum Continuous Discharge Current

      1.5C5A

       

      12

      Operation Temperature Range

      Charge: 0~45°C

      60±25%R.H.

      Bare Cell

      Discharge: -20~60°C

      13

      Storage Temperature Range

      Less than 1 year: -20~25°C

      60±25%R.H.

      at the shipment state

      less than 3 months: -20~40°C

      14

      Pack  Dimension

      Height: Max 40 mm

      Initial  Dimension

      Width: Max 30 mm

      Thickness: Max 3 mm

      Baoding Tsinghua_unizy power Co., Ltd. Established in 2003, which engaged in R&D,

       manufacture and sale lithium batteries ,the products are widely used on mobile phones, 

      Bluetooth, PDA, digital camera, MP3, wireless remotecontrol equipment, electrical tools, 

      solar power facilitie.



      Transaction History
      Buyer Product Information Price Order Date
      FERNANDO DIAS DA SILVA dias Small Li-polymer battery 3.7V 300mah
      US$187.00
      19 March 2026
      Shauna Pocock Small Li-polymer battery 3.7V 300mah
      US$187.00
      18 February 2026
      santrese porters Small Li-polymer battery 3.7V 300mah
      US$187.00
      15 April 2026
      Cindy Lee Small Li-polymer battery 3.7V 300mah
      US$187.00
      29 March 2026
      loretta sleger Small Li-polymer battery 3.7V 300mah
      US$187.00
      16 May 2026
      carol freschi Small Li-polymer battery 3.7V 300mah
      US$187.00
      04 April 2026
      bukola lepe Small Li-polymer battery 3.7V 300mah
      US$187.00
      29 January 2026
      Emmanuel Geah Small Li-polymer battery 3.7V 300mah
      US$187.00
      11 April 2026
      Noe Garay Small Li-polymer battery 3.7V 300mah
      US$187.00
      30 January 2026
      sabrina potter Small Li-polymer battery 3.7V 300mah
      US$187.00
      17 January 2026
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