Custom Battery Pack Manufacturer
- 15+ Certified Engineers Delivering Precision-Crafted Battery Packs
- ISO9001 & UN38.3 Certified Production for Global Compliance
- 99% On-Time Delivery with Rigorous Quality Assurance
- Custom 12V–72V Lithium Battery Packs for Industrial & EV Applications
Our Products

Can’t find the battery you need? We offer full customization for lithium battery packs—just tell us your specs.
One-Stop Battery Solutions from Jetray
With 17 advanced labs and a dedicated R&D center, we cover the entire journey from design to rigorous testing, ensuring every module meets the highest standards.
From design to delivery, we do it all.

One-Stop Battery Solutions from Jetray
All LiFePO4 battery packs and lithium battery packs from Jetray are built using top-tier cells from brands like EVE, CATL, and BYD—ensuring high safety, long cycle life, and consistent output for industrial, mobility, and energy storage applications.

Full Customization for Your Needs
From voltage and capacity to BMS, housing, and communication protocol, Jetray provides complete customization for both lithium battery packs and LiFePO4 battery packs—helping you create the perfect fit for your project.

Global Certification & Shipping Support
Every battery pack is certified with CE, UN38.3, MSDS, and more. We handle export documents, customs clearance, and offer global logistics support—so your LiFePO4 or lithium battery solution arrives safely and on time.

Fast Response & Engineering Support
Our sales and technical team ensures quick replies within 24 hours. From early design to post-shipment, we keep your battery pack project running smoothly with expert engineering support every step of the way.
Customization capability
Jetray Technology is a custom battery pack manufacturer that provides partners with full support from initial design concept to mass production. From large complex battery systems to small cell packs, we will find the safest and most reliable solutions to meet your application.
Our capabilities include:
Battery Management Systems, thermal management, customized construction, and communication
Cooperation Process for Custom Battery Design

CONTACT
Reach out via phone or email, and our team will provide an initial custom battery design proposal within 24 hours.

DISCUSSION & QUOTATION
We analyze your requirements and offer the best solution with detailed pricing, lead time, and technical feasibility.

SAMPLE & DEMO
Custom battery pack samples are assembled and tested in 3–5 days. For private molds or special designs, we also provide a demo sample for approval.

MASS PRODUCTION
After sample confirmation, we start production with strict QC. Clients may send their own QC staff or third-party inspection during production.

SHIPPING & DOCUMENTS
We arrange safe global shipping with all required documents including MSDS, UN38.3, and IEC62133, ensuring hassle-free delivery.

Who we are
Jetray is a specialized battery pack manufacturer based in Shenzhen, China. Since 2012, we’ve focused on delivering end-to-end energy solutions—from cell selection and BMS design to testing, assembly, and mass production.
We serve global clients across electric mobility, energy storage, industrial control, medical, and telecom sectors. Backed by a skilled engineering team and strategic partnerships with Tier-1 cell suppliers, Jetray builds safe, high-performance battery packs tailored to your application.
With ISO-certified facilities and a strict quality control system, we ensure every pack meets international safety and reliability standards.
40+
Countries We Export To
10M+
Lithium Battery Packs Delivered
4
Manufacturing Facilities
We Are Different in
- Our R&D team provides custom battery pack designs and accurate quotations within 24 hours, ensuring your project moves fast from concept to prototype.
- Battery pack samples are assembled and fully tested in 3–5 days. We commit to zero delays so you can validate your design quickly and confidently.
- With streamlined production and strict quality control, we can start mass production within 20 days while maintaining consistent performance and safety.
- We promise: if the mass production result does not match the approved sample, we will provide a 100% refund including shipping costs—your project is risk-free with Jetray.
- Any issue with our battery packs will be handled with top priority. Our technical team ensures smooth installation, troubleshooting, and long-term reliability.
Trusted by Industry Leaders
Backed by long-term partnerships with top-tier companies across energy, electronics, and manufacturing sectors.















Ready to Build Your Custom Battery Pack?
Tell us your voltage, capacity, dimensions, and application—we’ll engineer the perfect solution.
What Our Clients Say

“We needed a high-discharge battery pack for our e-scooter line, and Jetray was the only manufacturer who could meet both the technical specs and delivery schedule. Highly recommended for mobility solutions.”

“Jetray delivered a fully customized 48V LiFePO4 battery pack for our off-grid solar storage system. From cell matching to BMS integration, their engineering support was exceptional.”

“Jetray’s lithium-ion battery packs not only passed all safety certifications, but their consistency across batches was impressive. They are a reliable partner for long-term industrial supply.”

“We required a custom battery pack for our off-grid energy storage project, and Jetray delivered exactly what we needed. The packs were stable, safe, and exceeded our cycle life expectations. Their engineering team truly understands industrial applications.”

“For our portable medical devices, reliability is non-negotiable. Jetray designed a lightweight, high-safety battery pack that passed all international certifications without delay. Their attention to detail and quality control gave us total confidence.”
Not sure what battery fits your project?
Talk to our engineers for a custom evaluation.

Send us your requirements—we’ll get back to you within 24 hours with a tailored solution.
Frequently Asked Questions
Answers to the most common questions about our custom lithium battery solutions.
1. Can Jetray customize lithium battery packs for my specific application?
Yes. We tailor battery packs to your voltage, capacity, size, shape, discharge rate, and communication needs (CAN, SMBus, etc.), for sectors like EVs, ESS, medical, and more.
2. What is the typical MOQ for custom lithium battery packs?
Our minimum order quantity is 100 pcs for prototypes. For mass production, MOQ starts at 500–3000 units, depending on your requirements.
3. How long does it take to develop a custom battery pack?
Prototyping usually takes 4–6 weeks. We offer expedited services for urgent projects.
4. What certifications do Jetray’s batteries support?
We provide batteries compliant with UN38.3, IEC62133, CE, RoHS, and MSDS. Additional certifications can be arranged upon request.
5. Can Jetray integrate a smart BMS into my battery pack?
Absolutely. We design and embed BMS with functions like overcharge protection, temperature monitoring, and real-time communication (CAN/RS485).