Full Capacity Low Price 20000mah Power Bank Promotion

 Features of high quality 20000mah power bank promotion:

1.4 Led battery indicators

2.With Led lights
3.The power external battery is used as a backup power for your mobile device.

4.There's no need to charge your devices through an electric outlet.

5.4 colors to choose .

6.Its portable size allows you to carry the power source wherever you go. Say bye-bye to a mess of external connecting cables from now on. You will love to have this along on your next trip.

6.Capacity: Optional.

Specifications of high quality 20000mah power bank promotion:

Self-protection functions:

1.Over-voltage protection.

2. Short-circuit protection

3. Over-current protection
4. Over-charging protection

5. Over-discharge protection

6. Over-load protection.

Other products

A. Because of  our 8 years experience in researching and manufacturing battery cells.

15 Manufacture engineers
 8 Quality engineers(Average 6 years experience)
18 Project engineers(Average 6 years experience)
17 Tool design engineers(Average 6 years experience)

B.Because of strict quality control usb battery charger

IQC of incoming materials testing
Capacity testing
Inner resistance testing
IC testing
IPQC testing on production line
Charge-discharging testing
Aging testing
FQC final production testing
OQC shipment testing

Sample Policy:

Samples costs and shipping cost paid by the buyer.
Time: 1-2 day.
Sample time with logo: 2-3 days

Payment / Shipping / warranty:
T/T, Western Union/Paypal;
DHL UPS TNT EMS and others;
All products shipped with careful packaging to protect and ensure safety of contents during shipment;

  

Trade Info:

1.Trade terms:FOB,CIF,EXW.

 2.Payment terms:T/T,L/C,Western Union,Paypal,Escrow,Moneygram.

 3.Payment condition:30% deposit in advance,70% balance after delivery.

 4.Delivery time:5-7 working days for inventory,25 working days for quantity order.

 5.Packing: Power bank 1pcs,Micro USB cable 1pcs,User manual 1pcs .

 6.Shipping:By sea,by air,by express.

After sales:

If you are not satisfied for any reason, please, give us the opportunity to resolve any problem. 

We understand the concerns and frustrations you might have, and will try our best to resolve the issues.