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High quality Portable power bank 8400mah



5.45 ~ 7.85 / Piece ( Negotiable ) Get Latest Price


5.45 per Piece

1 Piece

blister package, 20-30 pieces/ box or customized

2- 7 days after all material in stock

300000 Piece per Week

T/T, L/C, Western Union, Money Gram, PayPal, Other


Contact Now

Product Specification

Brand Name : OEM Type : Li-Ion Nominal Voltage : 5v Nominal Capacity : 8400mah Size : -
color : Black, Blue, Green, Pink, White, Yellow, black, white, blue, Input : DC 5.0V/1A~2.1A(max) Outport : DC 5.0V/1A+2.1A(max) Dual USB output : yes LED flashlight : yes Certification : CE/FCC/RoHS/MSDS/UN38.3

Product Description

High quality Portable power bank 8400mah

Model Y4W
Cell type Li- ion battery
Capacity 10000 mAh
Color black, white, blue, pink, yellow, green
Input DC 5.0V/1A~2.1A(max)
Output DC 5.0V/1A+2.1A(max)
Dimension  101x73x23.5mm
Weight about 230g 
LED battery indicator YES
LED flashlight YES
Dual USB output YES
Power efficency rate 87%
Housing tUV oil vanished housing
Cycle life > 500 times
Warranty 13 months
Certificate CE/FCC/RoHS/MSDS/UN38.3
logo can be customized
OEM service avalibale

Main Features

1. Built-in figure LED indicator, easy to know the remaining capacity.
2. Built-in circuit management system and Li- ion cell bring safe and fast charging rate, overcharge protection and power saving.
3. High quality. All our products would be strictly tested before the dilivery!
4. Slim design, pocket size, plastic materials.
5. Providing several different charging adaptors. Compatible with almost each kind of mobile phone and digital products with USB function.

Packing and shipping
Packaging Details: blister pack, 20-30 pieces/box or customized
Lead time:  3~7 work-days after payment
Shipping:  By express such as UPS, DHL, FedEx or TNT, by sea, by air
Payment: We accept T/T in advance, Western Union, MoneyGram, Paypal and L/C

How to charge power bank

1) Use USB cable with Mini USB connector to connect an adapter or charge the power bank
2) The Mini USB plug is for DC ,and the USB plug is for DC output.
(Note:The power bank only supplies for an identified USB 2.0 port if computer complying with the requirements of limited power source)
3) The LED will turn on when charging the power bank

Company information

We are a professional factory dedicated to producing high and stable quality power banks for customers from all over the world. We are a full service vendor with complete manufacturing facilities, including our own tooling making, designing, testing, assembly to ensure shortest lead time while guaranteeing you the quality to fulfill the rapidly changing market demands.
With our manufacturing site located in Shenzhen, we have the capacity to provide high quality power banks to meet your needs, and we will be very pleased to show you our manufacturing facilities anytime.
Our services

1. Certification available: CE, RoHs, FCC
 2. Warranty policy: 13months for our power bank, we suggest customer not use mobile phone when charing.
 3. We will choose the cheapest price and high quality and quickly shipping way for our customer.
 4. Tracking your order until you get your goods
 5. 24 hours online customer service.


1. How fast do you delivery?
For sample order, it costs 3-5 days before you receive it by express.
For bulk products, it costs 5-20 days.According to the shipping way.

2. How to pay?
We accept T/T in advance, Western Union, MoneyGram, Paypal and L/C.
3. Can I print my logo on phone case or make my own case? 
Yes of course, please contact with our sales, they will help you to customized your own case.
4. How do you ship the goods and how long does it take arrive?
We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive


Contact Us

Contact Person : Anna

Company:Shenzhen Leeon Power Co., Ltd.

Address:Shenzhen, Guangdong, China,


Anna < Shenzhen Leeon Power Co., Ltd. >
I want to know:

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