4200mAh Power bank Case Battery Case for Samsung Galaxy S9

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$10.59 - $13.58 / Pieces | 10 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Hunan, China (Mainland)
Brand Name:
Model Number:
4001-5000(mAh), 4200mAh
Socket Type:
High Capacity
Soft TPU Material
Battery case
Support devices:
For Samsung S9
Charging Times:
Lithium Polymer battery
One Year
Quick charger
Black, Red, Rose gold
USB Port:
1 Port
Battery Type:
external battery, Li-polymer Battery
Supply Ability
Supply Ability:
7000 Piece/Pieces per Week
Packaging & Delivery
Packaging Details
1.Packaging Details:Standard Export Cartons
2.Delivery Detail:3-5 days for bulk orders after payment
Lead Time :
1-3 days for sample,3-5 business days for bulk orders
Product Description


4200mAh Power bank Case Battery Case for Samsung Galaxy S9  

4200mah Battery Charger Case Cover for Samsung Galaxy S9
For Samsung Galaxy S9 Battery Case, Ultra Slim 4200mAh Rechargeable External Portable Battery Charger Pack Extended Power Bank Backup Charging Protective Case for Samsung Galaxy S9 2018
Ultra Slim Battery Charger Pack Power Bank Backup Charging Case for Samsung Galaxy S9

This battery case with powerful capacity for Samsung Galaxy S9
Perfect fit: Li-Polymer Battery,specially designed for Samsung Galaxy S9
Built-in 4200mAh battery: Li-polymer rechargeable battery,Effectively provide extra battery life to your phone,convenient and easy to use

LED display : Equipped with power level indicator LED lights to timely remind the user of power level.
Charging and protecting: Provide capacity with high quality material to protect your phone from scratch,dirt,and other daily tear.
Safe Charging: In-built with over-charge protection, over-voltage protection, short-current protection,it will stop and cut off charging when your phones in full power.
Heep your phone charged the entire day. ONLY for Samsung model.
Featuring with the LED battery level indicator, this battery case could let you
4 Level LED Power Indicator--Featuring with the LED battery level indicator, this battery case could let you know exactly the power left (0--25%--50%--75%--100%).

Besides, you could switch on/off the battery case with the power switch easily
Extra Battery Life - The cell phone battery case with a powerful 4200mAh rechargeable Li-polymer battery, can be fully charged in 2.5 hours


Packaging & Shipping
  1.Packaging Details:Standard Export Cartons
  2.Delivery Detail:3-15 days for bulk orders after payment
Our Services


1.We ensure the quality of the goods per piece.Do the top quality with competitive price.
2. Reply your inquiry in 12 workig hours for mobile power bank.
3. Customized design is availabel, OEM&ODM are welcome.
4. We have our designer team, so can design for you depend on your requirement.
5. Warranty: one year.


Company Information


OISLE was created by Ran,former Texas Instruments Engineer,in California U.S.A. in April 2015. OISLE is a global registered brand with relevant IPs.
OISLE designs and manufactures mobile power, charging equipment, Bluetooth devices and other intelligent digital products. OISLE markets includes North America, Europe, East Asia and other countries and has more than 1 million customers. Most them are loyal fans.
OILSLE derives from O-isle, an island where seabirds come for breeding, freedom and vigor after flying thousands miles. Via the brand new design conception, we exhibit our strict requirement on quality and understanding on digital products fashion. We believe a new life brought by OILSLE will reach every corners of our world.



1.Q: Are you a Factory or trading company?

   A: We are professional factory that specializes in manufacturing mobile power, charging equipment, Bluetooth devices and other intelligent digital products. We focus on brand design and production R & D. You are welcomed to visit our factory.

2.Q: What’s your MOQ? Can I test product quality first before placing bulk orders?

   A: Usually our MOQ is 100pcs more for each model, samples can be sent for your actual checking. Sample fee will be returned if mass order confirmed.

3.Q:What’s your payment ways and How can I place an order?

   A: Payments can be made by Credit Card, TT, Western Union, Paypal, Alipay ect. For mass orders, 30% deposit before production, 70% balance before shipment.

4.Q: How about your lead time?

   A: 1-3 business days for sample, 3-15 business days for mass production.

(Based on the order quantity and production schedule)

5.Q: What’s your warranty?

   A: 12 months.

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