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Answers for battery
program teams.
Clear guidance for standard smart batteries, custom PACK development, certification and dependable long-term supply.
FAQ
Battery project questions, answered
Quick answers for standard smart battery packs, customized PACK projects, certifications, samples, shipping and technical support.
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Standard Battery Pack
How are lithium-ion battery packs managed to optimize performance and longevity?
Battery management systems monitor individual cell parameters and balance charging and discharging to support performance and lifespan.
How does it differ from individual lithium-ion cells?
A battery pack combines cells to deliver higher voltage and capacity for demanding equipment.
What certifications should lithium batteries have?
Common certifications include UN38.3 and MSDS for transportation, IEC 62133 for safety, and RoHS for environmental compliance.
Customized Battery
Why should I choose/trust TEFOO battery?
More than 12 years of pack design and ISO 9001:2015 quality management support dependable custom battery production.
Is TEFOO a manufacturer or trader?
We design and manufacture custom and standard battery pack solutions for industrial and medical applications.
How long does it take to make a sample of a custom battery?
Standard custom projects usually take 25 to 30 business days from development through delivery.
What information do I need to provide?
Provide capacity, size, voltage, discharge current, annual volume, application, delivery address and certification requirements.
What brand of cells does TEFOO use in its battery packs?
Our standard products use Panasonic cells; custom packs can use Panasonic, Samsung, LG and established Chinese brands.
What is the TEFOO customization process like?
We review the request, identify pack options, provide pricing, create a sample, incorporate feedback and proceed to bulk production after approval.
Do TEFOO batteries have UN38.3 certification?
Custom projects may require project-specific testing; we can support the UN38.3 certification process.
Battery Certification
Can your lithium batteries meet specific country or region certification requirements?
Support covers KC, PSE, BIS, CB, CE, RoHS, 3C, FCC, UL, UKCA and CQC according to project needs.
What quality system do you have?
We have obtained ISO9001, ISO14001, ISO13485 and ISO45001 quality management certifications.
How many independent patent certificates do you have?
We have more than 46 independent patent certificates for battery manufacturing technologies.
What certificates do you have for your lithium batteries?
Our certification support covers safety, transport, environmental and market-access requirements.
Sample & Payment
Can I get samples before placing a bulk order?
Yes, samples can be provided for testing and evaluation. Sample fees and freight may apply.
What is the minimum order quantity?
There is no strict MOQ requirement.
Shipping & After-sales
What’s the manufacturing lead time?
Mass production is typically 15 to 30 days; in-stock models can be available in 2 to 7 days.
What is the delivery time after placing an order?
Air transportation normally takes 10 to 12 days, while sea transportation takes more than 45 days.
Can you provide lithium battery technical support?
Yes. We provide technical support, specifications and solution recommendations according to requirements.
Project support