Frequently Asked Questions
Please review this list to see if there is an answer to your question. In addition, please consult our customer service team if there is confusion, or simply pick up your phone and we can talk our li-ion battery Design Project.
Q: Are your factory or trading company?
A: We are professional lithium battery manufacturer and supplier based in china. We provide all kinds of OEM/ODM services for clients all around the world. About 75% of our batteries are shipped abroad.
Q: Can we visit your factory before commited to a battery order?
A: Warmly welcome
Q: What quality system do you have for your company
A: We are ISO9001 certified company.
Q: Can you show me your products certificates, are there in compliant with the new REACH? how can i get the certificates?
A:Yes, all of our products are made in compliant with CE RoHS FCC and REACH, you can get them from the site or from our sales team.
A: Yes,we are your one-stop battery solution partner, we do everything from 3D drawing,battery structure design,3D printing, BMS development,battery assembly, battery testing, tooling and mass production, send us your idea and we will do the rest.
Q: I have special request for battery input and output, also custom features of the BMS, can you do it?
A: Yes, we can custom BMS for you, like wide voltage input, regulated votlage output, communication protocol, led readout,remaining power,battery heating etc
Q: I know nothing about batteries, can you guide me what should I do?
A: Drop us messege and our sales team will show you how to design your batteries. Just a messege or a call and we make it together.
Q: The device manufacturer no longer sells the battery, can you make it for me?
A: We can do 95% of the batteries on the market, however if the battery is less then 30Wh and sells less then 20 USD, you would better ask local supplier as shipping from china to your location could be quite high. High value batteries like medical,drone, ebike batteries are welcome to inquiry.
Q: We want to develop software for our batteries, can you make it?
A: Yes, we can develop both hardware and software of the batteries, just shows us details or requirement.
Q: Can I get free sample?
A: Sorry to say due to volumes of sample requirement, we currently don’t provide free sample.
Q: Can we get some Battery samples for test?
A: Sure, Battery Samples are always available for you, but the sample cost and freight cost should be paid.
Q: How do we place an sample order?
A: Please kindly send us your battery requirement
1 battery discharging current
2 battery capacity
3 battery dimension
4 potential bulk order quantity
and we will find the most suitable solution for you, you can then pay us by PayPal or Credit card.
Q: How about your lead time, and especially when can i get the goods after i make payment?
A: Lead Time for samples is about 10 days and bulk order around 12-35 days depending on the order quantity and our order on schedule.
Q: What is the lead time for mass production?
A: It depends on the actual situation: if with stock, the lead time will be 7~10 days.
If without stock, that will depend on your order quantity, usually within 15-35 days.
Q:Are the batteries come with protection circuit?
A:Well, we supply batteris with or without protection circuit.
Q: Can the batteries come with connector?
A: Yes, 80% of our batteries come with connectors, like JST, Molex,Hirose, Amass. we can also shipping with flying leads, and you can solder it at your side.
Q: What is your package looks like? Can I have the customized package?
A: White box per each battery is our standard box. you can also customize your package or even carton box, contact us for more pictures of packages and custom logo boxes detailes.
Q: Are the batteries GRADE-A,Brand NEW?
A:Yes, all batteries are Brand new.
Q: Do you test all your batteries before delivery?
A: Yes, we have 100% test before delivery.
Q: What certificates do u have for your lithium batteries?
A: We hold various certifications and reports for many of our current models, including CE, RoHS, REACH, CB, FCC, IEC 62133, KC, BIS, UN38.3, and MSDS. However, for custom-designed batteries, we do not have pre-existing certifications. If you require certifications for custom-designed batteries, we can assist with the application process, but please note that the associated fees would need to be paid in advance. Additionally, as a support measure, we have a refund certification policy in place for circumstances such as accumulated orders reaching a total of 50,000 units.
Q: What is your MOQ?
A: There is no MOQ of all of our batteries. but there is prcing difference for different quantity.
Q: What’s the delivery time?
A: The delivery time is 7-15 days after your payment for samples, and 20-30 days for bulk order, all are calendar days.
Below is general timeline for different desitinations.
Q: Can I use my forwarder or my DHL/Fedex/UPS account to pick up the battery?
A: You can use your forwarder to pick up the batteries, however, in recent years, DHL/UPS/FedEx tends to reject battery shipment, you can check with those carriers before ordering.
USA: 5-8 days
EU/UK: 7-10 days
AU/New Zealand: 5-8 days
Canada: 15days
Japan/Korea/Singapore/Malaysia: 6-10 days
Q: How would the batteries be shipped?
A: We ship via UPS, DHL, FedEx for urgent orders, and most of our clients would choose to ship by air and local Fedex or UPS to save cost .
for bulk order, you can use sea shipment.
Q: Can I track my shipment?
A: Yes, we will send you the tracking No. after your batteries are shipped.
Q: Can you make customized batteries?
A: Yes, we can custom lipo battery as per your design. Mainly like follows
1 Custom battery dimension
2 Custom battery capacity
3 Custom battery discharging current(up to 150C)
4 Custom battery PCM, like NTC, PTC, Bluetooth, RS485,CAN, UART,SMbus or other features
5 Custom battery discharging temerature as lower as -60°C
6 Custom battery shape, like Curved Battery, Round Battery, D Shape Battery
Q: Is there any warranty or after-sales service?
A: 12 months warranty against defective batteries,starting from shipping date.
Q: Can you explain more on how would you warranty your Battery?
A: For each shipment, we have SN or production number with it, once defective within 12 months, we will send new replacement or refund for the defective part.
Q: What will You Do if we got damaged products when arrive?
A: We will replace new goods at our cost if the batteries are damaged when arrive, no charges on your side, please contact us for images of damage.
Q:How shall i proceed with the battery returns?
A: To proceed with battery returns, please reach out to our sales engineer to obtain an RMA form. Once the form is received, we will initiate the necessary steps.
In most cases, if you can provide us with pictures of the defective units, we will send replacements along with your next order. It is usually unnecessary to send back the defective units.
However, please note that if we suspect any misuse or exploitation of our goodwill, we may request you to return the defective units on a yearly or quarterly basis.
If the battery defect rates become excessively high and you no longer require our batteries, we will issue a full refund within three days of receiving the defective units.
Our utmost priority is to have the opportunity to collaborate with you and ensure your satisfaction.
Q: Can your factory print our logo/brand on the lithium batteries?
A: Yes, and we will do this free of charge with small MOQ requirement.
Q: As a ISO certified company, we have QC staff to do the quality check things,so can we send our QC staff to check quality?
A:Yes, but battery inspection shall be done 2 working days prior to shipment date. Inspection must be conducted in our China factory
Q: Under FOB Trading terms, what’s the seaport please?
A: We use shenzhen and Hongkong port, other port like Guangzhou will also be accepted.
Q: How long can I store the batteries?
A:To maximize the battery performance, we suggest to store them no longer than 1 year,check the voltage of the battery and
charge it above 3.8V(per cell voltage), store them at a temperature of 5-20 degree.
Q: Can the batteries be used at 0 temperature?
A: While the majority of our stock lithium batteries are not suitable for use under 0 degrees Celsius, we do offer a lithium polymer battery formula specifically designed to operate in temperatures as low as -40 degrees Celsius. In addition, we currently have ready stock of cylindrical cells, including 18650, 26650, and 21700, that can be used at temperatures as low as -40 degrees Celsius. These cells are perfect for smaller order quantities, such as less than 1000 pieces. If you are interested, please reach out to us and we can discuss the technical details further.
Q: How do we make the payment?
A: We accept T/T, Western Union, PayPal,Credit Card,Alipay if you prefer other payment, please contact us.
detailed bank pages can be found via below link
https://www.dnkpower.com/bank-account-updates/
Official International Bank Details:
Beneficiary Name: DNK POWER COMPANY LIMITED
Bank Name : JPMorgan Chase Bank N.A., Hong Kong Branch
Bank Address : 18/F, 20/F, 22-29/F, CHATER HOUSE, 8 CONNAUGHT ROAD CENTRAL, HONG KONG
Account Number : 63007937571
Swift Code : CHASHKHHXXX
Bank Code : 007
Branch Code : 863
For customers in the USA, we are providing our local bank details below:
Beneficiary Name: DNK POWER COMPANY LIMITED
Bank Name : Community Federal Savings Bank
Bank Address : Seventh Avenue, New York, NY 10019, US
ACH Routing Number:026073150
Wires Routing Number: 026073008
Account Number: 833978917
For customers in Europe, we have a separate bank account available exclusively for Euro transactions. Please find the details below:
Beneficiary Name: DNK POWER COMPANY LIMITED
Bank Name : Deutsche Bank AG, London
Bank Address : 1 Great Winchester Street EC2N 2DB LONDON UNITED KINGDOM
IBAN : GB11DEUT23423806001569
PayPal Account: payment@www.dnkpower.com
Credit Card Payment acceptable, We can creat a PayPal payment link so you can pay with credit card.
Q: What’s the accepted trading terms?
A: We can accept below trading terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES.
Send us Inquiry
Welcome to drop us messeges, no matter if you have new questions or new battery inquiries. Simply a messege and try if we are the better match.