|Place of Origin:||China|
|Minimum Order Quantity:||100pcs|
|Packaging Details:||Standard export package|
|Payment Terms:||T/T, Western Union,Paypal, L/C|
|Supply Ability:||5000pcs per day|
|Capacity:||4000mah||Battery Type:||A Grade 18650 Cell|
|Available Color:||White,silver,orange,blue,etc||Socket Type:||USB|
|Output:||5V 1A||Input:||5V 1A|
|Application:||Smartphones||Accessories:||One MIcro USB Cable+one Neutral Package|
4000mah Portable Power Banks Manual For Power Bank Charger Real Capacity Charger
|Battery type||A grade 18650 cell|
|Input/Output||5V 1A 5V 1A|
|Additional function||4 led lights to show remaining power|
|Delivery way||Fedex,UPS,TNT,by sea,by air|
1. Different charging cable (like Micro-USB, iPhone 30pin-USB cable, iPhone 8pin-USB cable, DC connection cable etc.)
2. Different connectors (like Micro / Mini / iPhone 30pin / iPhone 8pin / Nokia / PSP / LG etc.)
4. Velvet bag
Laser engraved printing
Water transfer printing
we have professional engineers, can provide free new PCB develop for power banks.
Our model factory will only charger the basic model cost for any new models.
How to Order power bank from us?
1. Please tell us the model and quantity and your speacial demands.
2. Proforma Invoice confirmed, the order will be arranged upon receipt of your payment.
3. Confirm and ship the goods, then tracking number will be sent to you promptly.
4. We will help to track your goods until you receive them safely.
Keep your power bank battery operation to its fullest potential,making sure to do as folow:
17 hours customer service available from Monday to Saturday.
1-3 days complete sourcing requirements, finish OEM/ODM projects evaluation in one week.
Orders/Sample sent by courier, such as UPS and FedEx, arrive at your doorstep within an average of 5 days.
1-3 weeks finish sea shipment, Shipments are insured for successful delivery and trackable online.
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.