502030 3.7v 250mah lithium polymer batteries best quality li polymer battery 502030 3.7v

  • Unit Price: Negotiable
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  • Categories:Batteries
  • Validity Period:

    Long Term

  • Published on:

    2021-12-28 12:45

  • Product Description
  • Company Overview

Product Information









Valid until:

Long Term

Product Details

502030 3.7v 250mah lithium polymer batteries best quality li polymer battery 502030 3.7v specification:

Brand Junda
Model J-502030PL
Nominal Voltage 3.7V
Nominal Capacity 250mAh
Standard charge rate 0.2C - 1.0C(max)
Standard discharge rate 0.5C - 2.0C(max)
Working Efficiency ≥99%
Operating Voltage Range 3.7V-4.2V
Over-charge Protection Voltage 4.2V
Over-discharge Protection Voltage 2.75V or 3V
Cycle Life above 800 cycles
Battery Dimension (mm) 5mm*20mm*30mm
Battery Weight about 8g
Charge Temperature 0°C~45°C
Discharge Temperature -20°C~60°C
Storage Temperature -20°C~45°C
Battery color blue PVC film or silver grey
Storage Performance 80% power remains for one year

 502030 3.7v 250mah lithium polymer batteries best quality li polymer battery 502030 3.7v  application:

1.Wireless Headphones,Wireless  Mouse, Keyboard, Gamepad,Outdoor LED Light.
2. Air purifier, Hand warmer, Smart water cup, Electric toothbrush, Fingerprint lock. Hearing aid.
3. Beauty/Washing Instrument ,Reading Pen, Recording Pen, Sex toys, Miner Lamp ,Airplane Model.Tire Pressure Meter .Driving Recorder .


More size li-po battery as below:


 Full catalogue li-po battery ,Please kindly email to us or visit our website:www.eastebattery.com.


Packaging & Shipping:

Shipping: Normally takes 10~15 working days for sample order. 20 days for trail order.

 Delivery by HK Fedex, TNT, EMS. 

 Tracking Number will be provided As faster as we can.



company detail

Junda battery specializes in the custom design and manufacture of industrial and consumer batteries. Our product line includes ebike battery, lithium ion battery, Lithium Polymer battery, LiFePO4 battery pack, NiMH battery, Nickel Cadmium battery, etc.
founded in 2013, supplies a wide range of standard and customized batteries to customers in a multitude of industries such as Our products are widely used in power tools, cordless phones, tablet PC,GPS Trackingmarine, medical, military, oil and gas, recreational vehicles, security and surveillance, solar energy, telecommunications, Solar system and others.



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