Thank You for
Contacting Umax!
Your inquiry has been successfully submitted. Our battery engineering team will review your requirements and respond with a tailored solution.
Your Inquiry Has Been Received
We have successfully received your battery pack inquiry. A confirmation has been sent to your email address. Our engineering team will carefully review your specifications -- including voltage, capacity, discharge current, application, and quantity -- before crafting a tailored response.
Expected Reply Timeline
Automated confirmation email sent to your inbox with your inquiry reference number.
A dedicated battery engineer reviews your specifications and prepares a preliminary solution.
Full technical proposal including cell selection, BMS specs, dimensions, pricing, and MOQ details.
Physical sample produced and shipped for your testing and approval before mass production.
Your Next Steps with Umax
From inquiry to delivery, here's exactly how our collaboration process works -- transparent, efficient, and engineering-led.
Initial Consultation
Our engineer contacts you to clarify requirements: voltage, current, capacity, application, dimensions, and timeline.
Technical Proposal
We send a complete proposal: cell selection, BMS specs, pack structure, dimensions, pricing, MOQ, and lead time.
Sample Production
After proposal approval, we produce and ship physical samples within 7-14 days for your testing and validation.
Mass Production & Delivery
Sample approved? We move to mass production with full QC, export documentation, and on-time delivery.
Explore Our Battery Pack Platforms
While you wait for our reply, explore the four battery platforms we specialize in -- each optimized for different performance and application needs.
18650 Battery Packs
Mature, cost-effective cylindrical cells. Wide cell selection from Samsung, LG, Panasonic, EVE, Lishen. Ideal for tools, robots, IoT.
21700 Battery Packs
Higher single-cell capacity, fewer cells needed, improved system efficiency. Excellent for high-power and high-capacity applications.
Polymer Li Battery Packs
Lightweight, flexible shape design. Ideal for drones, wearables, and compact devices where size and weight are critical.
Semi-Solid Battery Packs
Higher energy density, enhanced safety. Perfect for long-endurance UAVs, high-end robotics, and demanding industrial applications.
Find the Right Solution for Your Application
Each industry has different power demands. Explore our application-specific battery solutions tailored to real-world operating conditions.
UAV Power Solutions
High energy density + high-rate discharge for extended flight time. Lightweight polymer or semi-solid packs with smart BMS for agricultural, inspection, and logistics drones.
Robotics Power Solutions
Stable, long-cycle 18650 / 21700 packs with smart BMS and communication interfaces for AGVs, service robots, and inspection systems.
Industrial & Storage Solutions
High-capacity, long-cycle 18650 / 21700 packs for portable energy storage, backup power, and industrial mobile equipment.
Technical Resources & Downloads
Access our technical documentation, compliance certificates, and design guides to accelerate your product development.
UN38.3 Test Report
International transport safety certification for lithium battery packs. Required for air freight and export shipments.
Request via EmailMSDS / SDS Document
Material Safety Data Sheet for lithium battery packs. Required for customs clearance and hazardous goods handling.
Request via EmailBattery Pack Datasheet
Detailed electrical specifications, discharge curves, temperature performance data, and dimensional drawings.
Request via EmailCell Selection Guide
18650 vs 21700 comparison, cell brand overview, capacity vs rate trade-offs, and application matching recommendations.
Request via EmailBMS Integration Guide
BMS selection criteria, protection parameter settings, communication interface wiring, and integration best practices.
Request via EmailOEM Customization Checklist
Complete list of customizable parameters: voltage, capacity, structure, BMS, connectors, housing, labels, and packaging.
Request via EmailNote: All technical documents are available upon request. Simply email us at info@umaxpower.com with your company name and the specific document you need. We'll send it within one business day.
While You Wait,
Explore More About
Umax Power.
Browse our full product catalog, learn about our manufacturing capabilities, or discover how we've helped customers across 40+ countries build better battery-powered products.
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