small lipo battery,  flat li-polymer battery 3.7v lipo 402030/042030 battery

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Product Description

Model 402030
Nominal Voltage 3.7V
Charge Voltage 4.2V
Cut-off Voltage 2.75V~3.0V
Capacity 200mAh
Weight 5g
Thickness 4.0mm
Width 20.0mm
Length 30.0mm
Temperature Charge: 0°C ~ 45°C
Discharge: -20°C ~ 60°C 
Storage: -20°C ~ 30°C 
Humidity: 65±20%
Impedance ≦150mΩ
Cycle life >500 times
Standard charge current 0.5C 
Fast charge current 1C
Max discharge current 1C
OEM customize wires/connector/PCM
Packing traying packing or in small boxes
Certificate CE, ROHS, MSDS, UN



  1. High energy density
  2. High working voltage for single battery cells
  3. Long life span, more than 500 times
  4. Eco-friendly, no mercury (heavy metal) etc
  5. No memory effect
  6. With short-circuit production function, safe and reliable
  7. Good consistency, low self discharge
  8. Light weight, small size


 Main applications:

1. Consumer electronics:

GPS, MP3/MP4, PDA, DVD, PMC, PMP, PSP, MID, portable electrograph, laptop, tablet pc, digital camera, bluetooth headsets, electric toothbrush, electric shaverrecording pen, e-books, game machine, wireless mouse, toys, etc.

2. Electric tools: electric saw, electric drills, cleaner, e-bike, etc.

3. Lights: emergency lights, lawn lamp, miner lamp, torch, LED, searchlight, safety helmets, safety headlights;
4. Medical devices
5. Others


lipo packing

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