Shenzhen Green Energy Tech Co. Limited


Cylindrical Lithium Battery supplier


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High Energy Density Small Li Polymer Battery 300mΩ Inner Resistance , FCC ROHS Approved

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High Energy Density Small Li Polymer Battery 300mΩ Inner Resistance , FCC ROHS Approved

China High Energy Density Small Li Polymer Battery 300mΩ Inner Resistance , FCC ROHS Approved supplier

Large Image :  High Energy Density Small Li Polymer Battery 300mΩ Inner Resistance , FCC ROHS Approved

Product Details:

Place of Origin: China
Brand Name: Greenergy
Certification: CE, FCC, ROHS
Model Number: 303040

Payment & Shipping Terms:

Minimum Order Quantity: 200PCS
Price: Negotiable
Packaging Details: Standard Air or Sea transporation package
Delivery Time: 10 working days
Supply Ability: 500,000PCS per month
Detailed Product Description
Normal Voltage: 3.7V Normal Capaicty: 300mAh
Cell Origin: China Thickness: 3.0mm
Width: 30mm Length: 40mm
Cycle Life: 500 Cycles Or More Application: Shaver, Track Device, Portable Medical Equipment, Lighting, Portable Electronic Products

Li Polymer Battery Pack Lthium polymer 303040 3.7V 300mAh small size li-po cell suibtable for OEM battery packs

NameLithium Polymer Battery
Model Number303040
Inner Resistance300mΩ
Standard Charge Current0.2C/0.5C
Maximum charge Current1C
Open Circuit Voltage3.7~3.9V
Cut Off Voltage2.75v/4.2V
Cycle Life500 Times
AppearanceWithout scratch, distortion, contamination and leakage
CertificateCE, RoHS, UL, SGS




1, High energy density
2, High working voltage for single battery cells
3, Long cycle life
4, With short-circuit production function, safe and reliable
5, Factory price& High quality
6, Good consistency, low self discharge
7, Light weight, small size
Why us
1. Professional lithium-ion battery for over 10 years,have own factory.
2. Provide best brand cell: Sanyo,Panasonic,Samsung,LG,Sony.
3. Offer OEM service for customer small order.

4 Quickly action & respond.
5. Best sale service and good price.
Main Application:
Flashlights, POS machine, fishing equipment, smart phone, bluetooth headest, loundspeakers, traffic tester, curing light, portable EGC monitor, portable oxygen making machine, portable outdoors speaker, vehicle intelligent terminal, LED light, handset, …


Q: Payment terms?
A: we could receive the payment via bank transfer or Western union, the bank transfer fee should
be covered by buyer.


Q: Could you provide OEM service?
A: Yes, we could, we could also provide blister packaging if you need.


Q: How to contact with you?
A: You could send me a email or contact me on Skype (ID): mars.mao
Return Policy
Green Energy May Accept Returned Defective Product
Defective merchandise may be repaired or replaced if returned within the warranty period. All returns must be accompanied with a Return Merchandise Analysis Report and must be packed with all manufacturer documents, and complete with all accessories. Important: Green Energy may not issue cash refunds for defective returns; Green Energy will however repair or provide a replacement part if the merchandise is checked and accepted for return. All returned merchandise must have the Green Energy Product Model number and Purchasing Order number when returned. International customers are responsible for all duties, and customs fees charged by their country and for shipping costs.

1. We accept T/T , PAYPAL , Western Union, Cash and so on.
2. Other payment terms.
1. Do not throw battery into water or make it wet;
2. Keep the battery away from heat source(like fire or heater);
3. Do not throw the battery into fire or heat the battery;
4. Forbid disassembling the battery in anyway




Contact Details
Shenzhen Green Energy Tech Co. Limited 

Contact Person: Mars Mao

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