$3.00 - $4.30
Min. Order : 100 Pieces

Ultra-thin Slim li-polymer battery 2500 mAh Power Bank mini credit card shape

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Quick Details

Payment Terms: L/C,T/T,Western Union,Paypal
Supply Ability: 10000 Piece/Pieces per Week
Socket Type: USB
Temperature: Charge:0~45°C, discharge:-20~55°C
Place of Origin: Guangdong China
Outport: 5V 1A
Conversion rate: 85%
Color: Blue,Green,Orange,Pink,Red,White,Yellow
Packing detail: Neutral packing or Standard packing or customized packing
Material: ABS
Dimension: 92*63*6.6mm
Humidity Range: <75%
Model Number: EM-4092300
Accept Customized color: yes
Weight: 43g
Brand Name: OEM
Input: 5V 1A
Accept Customized Logo: yes
Capacity: 2300 mah
Export to: any port
Lifespan: Full recharging more than 500 times
Certificate: CE, ROHS, FCC, UL
Packaging Detail: Packing with accessories and user manual Accessories may be different in different configuration User manual may printed on sliding card for some product Customized packing is acceptable, please contact us for detail.
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Product Description


  Model No:EM4092500
  Battery type  Li-polymer battery
  Typical Capacity  2500mAh
  Conversion rate  85%
  Material ABS+PC housing
  Color  Pink/Blue/Gray/Yellow/Red/purple/Orange ,etc.
  Battery Input  DC 5V 1A
  Battery Output  5.0±0.25V,1A 
  Lifespan  Full recharging more than 500 times 
  Temperature  Charge:0~45°C, discharge:-20~55°C
  Humidity Range  <75%
  Protection  Over Current Protection
  Over Temperature Protection
  Over Voltage Protection
  Short Circuit Protection
  Size 92*63*6.6mm
  Net weight  43g
  Certificate   CE, ROHS, FCC, MSDS, UN38.3
  Accessories  Power pank
  Micro USB charging cable
  Color Box
  User manual



Company Information
emi_-02_01.pngEMI COLOR Corp. was established in January 2006. It is a company that integrates R&D, manufactures and sales into the large-scale/ high-tech Enterprises main products include : Bluetooth Related Products like Stereo Bluetooth Headset/ Mono Bluetooth Headset/ Multi-media Bluetooth Speaker/ Bluetooth Audio Receiver of Mobile Phone, Bluetooth Smart Watch, Bluetooth Keyboard, Bluetooth Mobile Accessories, etc. Founded in the beginning, the main development and production are Plastic-Shells of consumer electronics products such as Appliances/ Digital/ Communications/ Notebook Computers. After 10 years of Experience and Development, it has developed into a product development/ mold making/ injection molding/ injection silk/ metal casting/electronic assembly based, SKD parts sales/OEM consumer electronics products as one of the facilities sound/technical force manufacturing enterprises. Our company is rich in human resources and a strong technical team. It is committed to providing fashionable/technological excellence/ quality reliable/affordable products to our customers. Especially the design of our products is very unique and diverse that meet the needs of each market. The main customers are including USA, Europe, Japan, Korea and the Middle East.  Factory & Offices in Taiwan and China for past 10years.

Please visit http://gemcolor.en.alibaba.com for more information on our Bluetooth Series Products.


Our Main lines: wireless headphones, Bluetooth Headsets, Stereo Headphones, computer headphones, mp3 earphones, mobile earphones, retractable earphones, mini speakers, bag speakers and Microphones etc.. Our products are certified which are very popular in Europe, America and Southeast Asia , with beautiful design and excellent sound.


We have a creative R&D team, which could meet the client's requirements very well. Our Principle is "Sincere Management, Mutual Benefit". We truly hope that we can have a stable and long-term cooperation with you.

Taipei Office


Fabrication, Quality Control and Warehouse


Computex Taipei


emi_-02_02.pngOEM Policy :

1) Logo Printing on Housing (Silk Screening or Gold Blocking or Stickers)
2) Customized Package
3) Software Customization : Booting Image, UI, APP, Function & So on.

ODM Policy :

1) PCBA Design & Development
2) Housing Design & Development
3) Software Customization


Cick to more about our OEM/ ODM Process 


our service

Sample Availability & Policy:

Paid samples are available in 3 - 7 days.
Buyer covers the shipping cost, Sample fee can be deducted from the first order
OEM & ODM sample lead time to be discussed.

How about our after-sales service?

1) Provide 1% spare parts and Service manual .
2) Guarantee 1 year warranty, 14 months for VIP Customer
3) Do OEM/ODM services: design color box, print logo, make start-up logo
4) Offer Pictures relevant to orders production.
5) Warranty & spare parts conditionsemi_-02_03.png 

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