3.7V 7500mAh LiPO Battery Manufacturer

DNK Power is a custom Rechargeable 3.7V Lithium polymer battery manufacturer based in China,We have In stock small and compact 3.7V Lithium battery pack, capacity from 3Ah, 8Ah, 20Ah, 100Ah, and etc., with PVC , Metal or Plastic casing, they are widely used for RV power supply, Outdoor Camping Power Supply, Sightseeing car, Solar Sreet Light and etc….

We use the latest  Lithium battery technologies to make the 12V rechargeable batteries just ensure that you can get the highest quality and less or even no customer returns, we work with you to do the label, shrink wrap, custom terminates or encloses in plastic.

We focus on the best and cheap small design products that are the most cost-effective, environmentally safe and exceed all of their specifications, we will never let you down, you can check more of our certificates including MSDS UN 38.3, IEC, KC, etc.

Custom Lithium Batteries
ModelThickness(mm)Width(mm)Length(mm)Capacity(mAh)Wire Length(mm)CertificationWeight长/宽 比例
8580888.58088700090IEC62133/UL116.71.1
80609586095700097IEC62133/UL116.71.6
90551019551017000103IEC62133/UL116.71.8
92941029.2941027500104IEC62133/UL125.01.1
75651187.5651187500120IEC62133/UL125.01.8
75651217.5651217000123IEC62133/UL116.71.9
72651247.2651247800126IEC62133/UL130.01.9
58761255.8761257000127IEC62133/UL116.71.6
68701256.8701257700127IEC62133/UL128.31.8
45951304.5951307500132IEC62133/UL125.01.4
281101452.81101457000147IEC62133/UL116.71.3
3011015031101507000152IEC62133/UL116.71.4
391001503.91001507800152IEC62133/UL130.01.5
361181523.61181527700154IEC62133/UL128.31.3
36991603.6991607900162IEC62133/UL131.71.6
371021603.71021607900162IEC62133/UL131.71.6

Custom 3.7V 7500mAh LiPO Battery

Our Vision: Provide world-class LiPO battery pack for customers world-widely
DNK Mission: to become an internationally renowned supplier of Rechargeable Lithium Battery.
Company values: integrity and pragmatic, responsibility

CUSTOM BATTERY DESIGN

DNK Power offers Custom 3.7V 7500mAh Lithium Battery Pack Design Services for all of our customers without any charges, You can work closely with our Engineer from the beginning of your device.

ISO 9001 Certified

10 Years of experience and ISO 9001 Manufacturer ensure that All your 3.7V 7500mAh Lithium battery packs are made right every time. What’s More, we have all the certificates like UL, KC, PSE, IEC.

UN TESTING

DNK Power has all the certificates of MSDS And UN 38.3 IEC 62133 for our 3.7V Lithium battery just ensure your fast Transport by Train, Sea Or Air, We will assist On transportation or even taxes

DNK Power FAQ

Got Questions?
Click to Got Answers

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.

Q1: Are your factory or trading company?
We are professional lithium battery manufacturer and supplier based in china. About 75% of our batteries are shipped abroad.
Q2: Can we visit your factory?
Warmly welcome. Our factory is located in Shenzhen. Please contact us to schedule.
Q3: What quality system do you have?
We are ISO9001 certified company.
Q4: Can you show certificates?
Yes, all products comply with CE, RoHS, FCC and REACH.
Q1: Can you do turnkey partner projects?
Yes, from 3D drawing and BMS development to mass production.
Q2: Custom BMS features?
Yes, including CAN/RS485, remaining power display, and heating features.
Q3: No battery knowledge?
Our sales team will guide you through the entire design process.
Q4: Discontinued batteries?
We can replace 95% of batteries on the market, including medical and e-bike packs.
Q5: Battery software development?
Yes, we develop both hardware and software for battery management.
Q6: Customized shapes?
Yes, including curved, round, and D-shapes.
Q7: Brand/Logo printing?
Free logo printing available with small MOQ.
Q1: Free samples?
We currently do not provide free samples due to high volume.
Q2: Sample testing?
Samples are available; costs and freight are covered by the client.
Q3: How to order samples?
Send discharge current, capacity, and dimensions. Pay via PayPal or Credit Card.
Q4: Protection circuits?
Available with or without PCM based on your request.
Q5: Connectors?
We provide JST, Molex, Hirose, Amass, and others.
Q6: Packaging?
Standard is an individual white box per battery.
Q7: Grade-A Cells?
Yes, 100% Brand new Grade-A cells only.
Q8: 100% Testing?
Yes, every battery is tested before delivery.
Q9: Certifications?
CE, RoHS, CB, IEC 62133, KC, BIS, UN38.3, MSDS.
Q10: MOQ?
No strict MOQ, but pricing varies by quantity.
Q11: Can we send QC staff?
Yes, inspection 2 days prior to shipment.
Q1: Lead time?
Samples: ~10 days; Bulk: 12-35 days.
Q2: Delivery time?
USA/AU: 5-8 days; EU: 7-10 days.
Q3: Own forwarder?
Yes, if they accept Dangerous Goods (Batteries).
Q4: Shipping methods?
UPS/DHL/FedEx or Air/Sea freight for bulk.
Q5: Tracking?
Yes, tracking provided after shipment.
Q6: Warranty?
12 months against defects.
Q7: Warranty process?
Replacement or refund for verified defective units.
Q8: Damaged goods?
We replace damaged items at our cost.
Q9: Storage?
Store < 1 year at 5-20°C above 3.8V.
Q1: How do we pay?
We accept T/T, PayPal, Credit Card. Official bank details:
DBS Bank (Hong Kong)BeneficiaryDNK POWER COMPANY LIMITEDA/C79969001670
USA Local (ACH)BankCommunity Federal Savings BankRouting026073150
Q2: Battery returns?
Contact us for RMA; replacements sent with next order.
Q3: FOB Seaports?
Shenzhen and Hong Kong.
Q4: Low temperature use?
Special formulas available down to -40°C.
Q5: Trading terms?
FOB, EXW, DDP, DDU, etc.
Q6: Cert fees refund?
Refundable once orders reach 50,000 units.

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