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Q.What about the Guarantee of Mcoolphone Powerbank?

A.Mcoolphone Powerbank can offer full no-hassle Limited Lifetime Warranty .New Powerbank will be sent to you in your next bulk order for free if there is any quality problem of it


Q.Will any damage or security risks be caused to customers when using Mcoolphone Powerbank?

A.NO! Mcoolphone Powerbank using a high-quality batteries and circuit safety equipment,all of Mcoolphone Powerbank are with approved of CE/RoHS/FCC/CCC. The built-in protection circuit & automatic buck-boost circuit, can prevent overcharge, over-discharge, over-current and short circuit. Furthermore, the product has a special protection design against high temperature, to ensure user absolutely safe.


Q.Why adapter and switch interface are not included in Mcoolphone Powerbank package?

A. Mcoolphone Powerbank’s Standard package is:instructions and micro USB in.Because Mcoolphone Power battery can be compatible to most digital device with 5V USB which is included in original mobilephone packge.So adapter and switch interface will not included in Mcoolphone Powerbank package in order to cut the cost down for you!


Q.How long will Mcoolphone powerbank be used?

A.With in-built high capacity Li-on battery, Mcoolphone Powerbankcan be charging more than 500 times. It will be more than 2-3 years for the using lifetime with a daily frequency count on one charge.



Q.What is the function of Mcoolphone Powerbank?

A.Besides power battery function, it has a super power-saving and high brightness LED flashlight for your view in night.


Q.What is the lead time?

A.Sample is 3-5 working days, mass production time is 7-15 working days for bulk order less than 3000 pcs .


Q.Can I have a sample even pre-production before I send you the order?

A.Yes, samples order to test products quality is welcome.


Q.Where are you based?

A.As a MANUFACTURER,Mcoolphone electronic tech is located in Shenzhen City,China.


Q.What if I have more questions?

A.Simply use the Contact form and we will answer your questions as soon as possible.

Q.How do I become a dealer for your products?

A.We welcome inquiries from all bonafide dealers, simply use the Dealer Inquiry form and we will contact you as soon as possible.

phone power bank

Q.Do you really use alien technology?

A.While our technology is advanced, it may not be quite that advanced! However, if you do happen to see a UFO, it would certainly not surprise us to find that it is using our lights !

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