(free shipping)502030 3.7V 250 mah lithium-ion polymer battery quality goods quality of CE FCC ROHS certification authority


9892 in stock

SKU: 10789 Categories: ,



Hello, we are all batteries have a custom size,

 if you need to customize the size of your battery,

contact us, we can customize according to your requirements.thank you


1> 100% brand new
2> High quality and high capacity!
3> Built-in protection circuit PCM for prevent over charging or over discharging
4> Size:5.0mm (H)*20 mm (W)*30 mm (L)
5> Rating: DC 3.7V 250mAh

Model: 502030 052030

Capacity : 250MAH

Voltage: 3.7V

Dimensions: Length 30MM 20MM width thickness 5.0MM




Product Features

LiCoO2Cathode material ( advantage: Operating voltage 4.2V-3.7V, the charge and discharge voltage stable, high specific energy, capacity attenuation ) cycle of life of more than 500 times, 300 times more than the cycle capacity retention rate of 80%

2 Built-in Built-in two-way protection IC circuit board , overcharge protection voltage 4.20V 0.05V, over-discharge protection voltage 2.7V 0.1V

3 maximum charge current of 1C, the maximum discharge current of 2C. Recommended charging current 0.2C to 0.5C, 1C discharge current maximum

4 green, does not contain harmful metals such as cadmium , lead, mercury and the like, the factory passed ISO9001 environmental management system certification, product complies with CE RoHS certified battery charger products certified by UL



1.Absolutely Safe And Reliable;

2. Quality Assurance Price Concessions;

3. High energy density (380-400Wh/L) ;

4. Long cycle life ;

5. Wholly closed dust-free workshops,securing high quality;

6. No memory effect;

7. Pollution-free (not Contain Cadmium,Lead, Mercury) ;non-polluting;

8.new type of energy;

9.rapid charge.

the best choice for the following applications:


1.Mp3,mp4,mp5player,bluetooth headset.mini-speaker,video pen.  
2.Music box,smart locks,hand warmer,eyelash curler,electric toys.  
3.Usb rechargeable battery,miners lamp,digital products.  
4.Mini electric fan battery,mini meter reading,wireless ordering,wireless data transmitter.gifs  
5.Portable electric , Massager.Wide range applications.
6.Tablet PC, Medical usage.


1.100%Brand New battery

2.High quality and durable

3.Provides excellent continuous power sources to your device 4.High energy density, long life battery 5.This battery has an extra long life for all your battery powered devices



Shipping terms 


*2-100pcs———-Shipping by Swedish packets,about 45-55 days arrival.

*Above 100pcs—Shipping by UPS or Fedex,about 7 days arrivlal.




Payment way 










*Notices: No appearance scratch and no artificial damage.

*Six-months warranty for guarantee.

*Notices: Non-man-made damage for free cost of raw materials and artificial maintenance.




Why choose us 


1.We are factory and trading company since 2003, 12 years experience and professional.

2.Hot selling around the world,many customers prefect items excellent performance.

3.3 sales teams and 5 QC and after-service teams.Best to You.

4.Excellent quality,competitive prices.

5.Choose us because of your wisdom.








Additional information

Weight 0.2 kg
Dimensions 12.0 × 12.0 × 6.0 cm
Brand Name

Liter energy battery



Battery Properties



Video Game Player


Shop Warranty



Model Number

052030 502030




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