Custom 18650 Battery Packs Manufacturer
Nuranu Battery offers custom 18650 battery packs engineered for high energy density, long cycle life, and modularity. Perfect for portable devices, industrial automation, robotics, and medical equipment, our packs feature cell matching, protective enclosures, and optional BMS integration to ensure maximum performance and safety.
18650 Battery Packs Definition
18650 battery packs are made up of several 18650 lithium-ion cells. Each cell is 18mm in diameter and 65mm long. The cells are connected in series and/or parallel to get the right voltage and capacity. These cells are known for their high energy density and reliability. They are a standard in industries that need compact, powerful energy solutions.
Our packs are designed to perform reliably, making them great for tough commercial use.
Applications of 18650 Battery Packs

Robotics
Reliable, high-discharge packs for mobile robots and AGVs.

Medical Devices
Safe, stable power for sensitive instruments.

Industrial Equipment
Durable and long-life energy for machinery.

E-bikes & Mobility Devices
Lightweight and high-capacity solutions.
Our Standard 18650 Battery Pack Products
Customization to Fit Your Business
We understand that every business has unique power requirements. That’s why we offer fully customizable 18650 battery packs to match your exact specifications.
- Voltage and Capacity Configurations: Choose from various series (S) and parallel (P) setups to achieve your desired power output.
- Battery Management Systems (BMS): Enhance safety and performance with integrated monitoring and cell balancing.
- Connector Types and Branding: Personalize your battery packs with custom connectors and labeling for seamless integration and brand alignment.
- Packaging Solutions: Tailored packaging for efficient shipping, storage, and distribution.
Our Custom Battery Pack Process
- Requirement Analysis: Understand your device specs and power needs.
- Design & Engineering: Cell selection, configuration, and pack layout.
- Prototyping: Build and test the first functional units.
- Testing & QA: Perform cycle, thermal, and safety tests.
- Mass Production: High-quality assembly and shipping.
Advantages and Benefits of 18650 Battery Packs
High Energy Density
Maximize power output in a compact design, ideal for space-constrained applications.
Long Lifecycle
With up to 2,000 cycles, our battery packs reduce maintenance and replacement costs, ensuring long-term value.
Flexible Format
Tailor voltage, capacity, and performance to your exact specifications with flexible series and parallel setups.
Fast Charging
Minimize downtime with quick recharge capabilities, keeping your operations running smoothly.
Lightweight & Portable
Perfect for mobile and portable applications without compromising on power.
Why Choose Us as 18650 Battery Packs Supplier
When it comes to powering your devices and systems, our 18650 lithium-ion battery packs stand out for their exceptional quality, reliability, and performance. Here’s why our 18650 battery packs are the ideal choice for your needs:
Proven Reliability
Trusted globally in demanding applications like electric vehicles and industrial systems.
Quality Assurance
Each battery pack undergoes rigorous testing to ensure consistent, high-quality performance.
Competitive Pricing
Cost-effective solutions with bulk order discounts for large-scale projects.
Fast Delivery and Support
Quick turnaround times and dedicated technical assistance to keep your business moving forward.
FAQs
Q1: Can you match cells for my pack?
A: Yes, we match cells to ensure uniform capacity, voltage, and internal resistance for longer pack life.
Q2: What sizes and voltages are available?
A: We offer flexible series/parallel configurations. Voltage ranges from 3.7V to 48V+ depending on your requirements.
Q3: Is a BMS included?
A: Optional BMS can be integrated for protection and monitoring.
Q4: How fast can you deliver prototypes?
A: Typically 2–3 weeks after design confirmation.
Q5: Are your 18650 packs safe for industrial use?
A: Yes, we follow UL, CE, and RoHS standards and perform rigorous QA testing.
Ask for Custom Quote
Ready to design your 18650 battery pack? Connect with our engineers today to start your project.












