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When your phone run out of power, Brainiac always back your up with power solutions. S5 power bank is one the best choice, it features dual USB port, and max output is 3.1A(2.1A+1.0A), which can charge two devices in same time, and 5000mAh is real capacity.

Applications : Smart phones and digital devices
Battery : Li-polymer battery
Capacity : 5000mAh
Input :DC 5V 1.5A(max)

Output :DC 5V 1.0A/2.1 A(max)
Temperature :-10℃-50℃
Dimension :131x70x8mm
Power Status :LED

Weight :125g
Color:  White/silver/red/golden

IMPORTANT: Before first use please fully charge the Powerpack by using the supplied cable. We recommended that you should charge the Powerpack every 3 months.


  • Beautiful design simple and elegant appearance
  • Aluminum Alloy +Lens/Lens/Apple white material reveal high-tech
  • LCD indicate the charge at a glance
  • Brand quality,class AAA lithium polymer ,environmentally safe
  • Intelligent detection intelligent charging protection,overload protection
  • Temperature protection,battery trickle charge protection
  • Industry-leading design,the high conversion rate


Packaging details


1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 7-20 days for batch goods. 

Our Services


1. Any inquiry will be replied within 24 hours.
2. OEM/ODM is available.
3. Warranty: 12 months, offer good afer-sell service.
4. High quality, fashion designs, and fast delivery.
5. Fast Delivery: 3-5 working days after payment.
6. Payment: Paypal, T/T, Western Union and others.




1. How to buy the product ?
1).Inform us of items and quantity you need;
2).We will give you a quotation;
3).If we come to an agreement on the quotation, we will send you the Perform Invoice and charge for 30% payment, then we will arrange production .
4).Before we arrange shipment, we will charge for the rest 70% payment.

2.What's your MOQ of the product?
500pcs on principle,but we may talk over it.

3.What's your warranty of the product?
1). We guarantee 12-month warranty since purchase date.
2). If the product is defective, please notify us within 3 days of delivery.
3). All products must be returned in their original condition for refund or exchange of goods.
4). Buyer is responsible for shipping cost of returning, and supplier is responsible for shipping cost of resending.

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Company Information


Shenzhen Brainiac Technology Develpoment Co., Ltd, is a professional manufacturer of power bank located in Shenzhen city. Established at 2012, with 4 production-lines, our factory has accumulated valuable experience in power bank area. In order to have a broader space for development and we set up oversea sales department, and looking for more business cooperation domestic and overseas.

Our main product is power bank, mobile accessories, electronic accessories.

Our business principle is " First-Rate Service with High Quality Products". With excellent quality, competitive price and attentive service, our company has gained the trust from overseas customers and established long-term business relationships with them.

We will keep up with the development of the times, and persistently improve ourselves. Moreover, we will keep the close cooperative relationships with all partners in order to create the win-win situation and a bright future. We sincerely welcome customers to cooperate.


 colorful hot selling 5000mah portable power bank S5


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colorful hot selling 5000mah portable power bank S5
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