Min. Order : 30 Pieces
100-499 Pieces
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≥5000 Pieces

Slim Power Banks Battery Pack Portable Power Bank 50000mah With OEM Service

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Quick Details

Port: Shenzhen
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Paypal
Supply Ability: 200000 Piece/Pieces per Month Power Bank 50000mAh
Place of Origin: Guangdong China
Warranty: 1 Year / 12 Months
keywords: power bank 50000mah
Socket Standard: Universal
Model Number: ET-A13
Battery Type: li-polymer battery,Li-Polymer Battery
Weight: 550g
Certification: CE/FCC/RoHS/MSDS/UN38.3,CE,FCC,ROHS
Brand Name: OEM,ODM
Function: Multiple input
Life Cycle: >800 times
Type: With Flash Light,Ultra Slim,Waterproof,Fast Charging,High Capacity,PORTABLE
Efficiency: 85%-90%
Output ports: 2 Ports
Input Outport: 3.7V-5V/2A 5V/2A
Input Interface: Lightning USB Type C,Micro USB,Apple Interface,TYPE-C
Protection: Over-discharging,Short Circuit Protection,Over-charging,Low Tension
Output Interface: Micro USB,Type C,Double Usb
Packaging Detail: Slim Power Banks Battery Pack Portable Power Bank 50000mah With OEM Service Power bank+ package box + micro USB cable + master carton
Shenzhen E-Teck Offer Technology Co., Ltd.
Manufacturer, Trading Company, Distributor/Wholesaler
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On-time delivery rate
US$ 110,000+
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Slim Power Banks Battery Pack Portable Power Bank 50000mah With OEM Service

Product Description




Capacity 20000(mAh) 30000mah 50000mah
Input DC 5V/2A (type-C , micro ,lightning input port )
Output DC 5V/2A (Double usb outputs)
Certification CE/FCC/RoHS/MSDS/UN38.3
Efficiency 85%-90%
Customized support
Warranty 1 Year / 12 Months
Material ABS 
Size 138*71*28mm
Weight 550g 
Circle time 500times

1 cable --micro USB cable 

can offer other cable with extra costs 

Packing details

Carton size :40*35*35cm

(some difference when retails box diffrent )



Payment terms  Trade assurance / T/T / PAYPAL/ West Union /Alipay
Shipment way 

faster way: UPS/FEDEX/DHL/ Our own line /air cargo 

Slower way:  By boat 

Warranty 1 year /12-13months 
Customize OEM /ODM acceptable 



1. with Type-C , micro, lightning input ports  , you can charge the power bank anytime together with your phone cable  

2. Double USB output ports . with 2A fast charging speed 

3.simple but high quality Nice design 

4. Full real large capacity  , it can charge an iphone 6 or more times when full charged 

5.can be customized with logo or pictures  .

6.High level looking , suitable for you to resell them   . 

7. with A+ grade li-polymer batteries  (2pcs)

8. with Over charge and discharge protection  , never go too hot because of long time charging

9.High  compatibility , suitable for almost all phones and tablets . 



_01_03.jpg ET-A13--1ET-A13--2


Our company


Our Certificate






— Are you factory?

Yes, we are factory in Shenzhen China. Also we mainly provide the most professional purchasing advices and the best quality goods to retailers, wholesalers, online stores,  physical stores, gift companies or people just starting business.


— How long I can get my products?
80% of the products are in stock. After payment, products can be sent in 24 hours if quantity less than 1000pcs. The production time of large order can be adjusted according to your situation.


— Can we customize our brand logo on the earphone and package? 
Of course. Brand customization on earphone and package is acceptable. Different products have different MOQ for customization. The lowest is 50pcs.


— Can I have a sample order?
Welcome sample order to test and check the quality. Mixed samples are acceptable. 


— What certificate do you have to guarantee product quality?

CE ROHS FCC are all available.


— What is your terms of payment?
Accept Alibaba Trade Assurance, T/T (bank transfer), Paypal, Western Union, Visa, MasterCard, Cash and L/C. For bulk order, we accept 30% deposit and pay the balance before delivery.


— What is your After-sale service?

We supply 12 months products warranty. If the item was found with defective during warranty, you can contact us immediately, we would like to help you solve the problem in the first place, products will be ready repair or new one placement for you.