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
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
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
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.