10400mah large capacity designer portable power bank quality power bank power bank external power tube for digital products

Three types of connectors for you to choose

•  one USB line with five connectors

Q.What about the Guarantee of  manual for power bank ?

A.DEL mobile power bank 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 power bank?

A.NO! DEL power bank is using a high-quality batteries and circuit safety equipment,all of DEL Powerbank are with approved of CE/RoHS/FCC. The built-in protection circuit & automatic buck-boost circuit, can prevent overcharge, over-discharge, over-current and short circuit.

Q.How long will battery power bank be used?

A.With in-built high capacity Li-on battery,DEL power bank charger can be charged 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 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,DEL Technology Limited 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.