Lithium Ion Battery Packs Manufacturer
Nuranu specializes in custom battery pack assembly using high-quality cylindrical cells (18650, 21700). Whether you need a simple 7.4V pack for a handheld device or a high-voltage 48V pack for robotics, we engineer the perfect power solution.
Lithium Ion Battery Packs Definition
A lithium-ion battery pack is an assembly of lithium-ion cells, a battery management system (BMS), and various supporting components all contained within an enclosure that provides rechargeable energy storage and power for a wide range of applications. It represents the largest and most complex assembly in the hierarchy of battery systems, consisting of multiple modules arranged in specific configurations to meet voltage and energy requirements.
Our Lithium Ion Battery Pack Types
The 18650 Battery is a cylindrical powerhouse known for its versatility and durability.
- Specifications: Compact size (18mm diameter, 65mm length) with impressive energy capacity.
- Applications: Ideal for flashlights, laptops, power tools, and more.
- Advantages: Exceptional safety features, high energy density, and affordability.
For enhanced capacity and performance, the 21700 Battery is the ultimate choice.
- Specifications: Slightly larger dimensions (21mm diameter, 70mm length) with higher energy storage.
- Applications: Perfect for electric vehicles, power storage systems, and industrial devices.
- Advantages: Improved energy efficiency, extended runtime, and cutting-edge technology.
Engineering Your Custom Battery Pack
Cell Selection: Brand Name vs. Chinese Top Tier
- We offer genuine Samsung, LG, Panasonic, Sanyo cells for high-end applications requiring maximum energy density.
- For cost-sensitive projects, we recommend top-tier Chinese cells (BAK, Lishen, CATL) which offer excellent performance at a competitive price.
Struc ture & Safety Design
- Nickel Strips:Â We use pure nickel strips (not nickel-plated steel) for lower resistance and better conductivity.
- Insulation:Â Fish paper (barley paper) on positive poles and epoxy board framing for structural integrity.
- Wiring:Â UL-certified silicone wires capable of handling high currents.
Connectors & Termination
We can terminate your battery pack with any connector:Â JST (PH/XH), Molex, TE, Anderson Powerpole, XT30/XT60/XT90, or bare wires.
Advantages and Benefits of Lithium Ion Battery Packs
- High Energy Density: Delivers extended runtime for demanding applications.
- Durability: Designed for longevity with minimal degradation over time.
- Safety: Engineered with advanced safety features to prevent overheating and short circuits.
- Lightweight Design: Ideal for portable and space-saving applications.
Applications of Lithium Ion Battery Packs

Electric Mobility Solutions
Lithium Ion Batteries power electric vehicles, e-bikes, and scooters, offering high efficiency and extended range for modern transportation needs.

Renewable Energy Systems
These batteries store energy from solar and wind sources, ensuring consistent power supply and supporting sustainable energy usage.

Consumer Electronics
From smartphones and laptops to wearable devices, Lithium Ion Batteries deliver reliable performance for everyday tech essentials.

Industrial Equipment
Used in forklifts, power tools, and backup systems, Lithium Ion Batteries provide durable and consistent energy for industrial operations.
Why Choose Us as Lithium Ion Battery Packs Supplier?
Custom Solutions
Tailored battery configurations to meet your unique needs.
Quality Assurance
Strict adherence to international safety and performance standards.
Competitive Pricing
Cost-effective solutions for bulk orders.
Reliable Support
Dedicated after-sales service and technical assistance.
Ask for Custom Quote
