Wide Range Of Applications 21700 3.7V 4000mah Lithium ion Battery For Recorder Small Fan Walkie-Talkie Amplifier Electric Toy

· Long Cycle Life 
Can be recharged for use for over 1,000 times. No memory effect. 
Out-performed LiMno2,LiFePo4 cells with much longer run time.

· High Safety 
Assemble with Japan cells. High and stable performance & heat resistant. Top design and technology to prevent 

risk of explosion. The battery pack is impact-proof and can sustain heavy external shocks.

· Reliable Quality 
For quality assurance, we use Japanese cell with new mixing formula "Li-ion" to assemble battery pack that guarantee our running distance and safe requirement are up-to standard.

· OEM Welcome
We can provide you with custom made service for battery pack sample order and testing. Battery can fit for foldable 

bike, electric sport bike, electronic scooter and electric wheelchair.






Contact us
 

Ubetter Company Limited

Name :Yedda 

Mobile:+86 13632638766

 

 

Web: ubetterbattery.en.made-in-china.com