Professional Custom Lithium Battery Packs Manufacturer

Engineering High-Performance Custom Lithium Battery Packs for Global OEMs

As a leading custom lithium battery pack manufacturer, we offer customized lithium battery pack solutions for various industries. From 3.7v to 96v. tailored power solutions for robotics, medical devices, and industrial iot. reliable, certified, and delivered on time.

Trusted by innovators in 30+ countries & Compliant with Global Standards:

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CE certification icon
IEC62133 certification icon
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ul certification icon
UN38.3 certification icon

Why Nuranu is Your Preferred Battery Partner?

Deep Engineering Expertise

We don’t just assemble cells. Our BMS engineers design intelligent protection circuits with SMBus/I2C/RS485 communication protocols, ensuring your device's safety and longevity.

Genuine Grade-A Cells

We maintain strategic partnerships with top cell manufacturers (Samsung, LG, Panasonic) and leading Chinese brands to guarantee capacity authenticity and supply stability.

100% Aging & Testing

Every battery pack undergoes rigorous OQC including aging tests, drop tests, and vibration tests before shipment. We treat your reputation as our own.

Lithium Battey Packs Product Categories

LiFePO4 batteries are safe because they don’t overheat or catch fire as easily as other lithium-ion batteries. They are stable at high temperatures, reducing the risk of fire. These batteries are eco-friendly and don’t contain rare metals.

Lithium-ion batteries are rechargeable and have many uses because they hold a lot of energy, last a long time, and are light. This battery technology uses lithium ions moving between the cathode and anode during charging and discharging.

LiPo batteries are high-energy, lightweight, and flexible. They are different from other rechargeable batteries, such as lithium-ion batteries with liquid electrolytes. LiPo batteries are ideal for applications where weight and space are limited.

Powering Your Innovations Across Industries

We specialize in providing reliable energy solutions for demanding industrial applications.

Smart Robot
Robotics & AGV

High-discharge rate packs for Warehouse Robots, AGVs, and Drones.

18650 Battery for Medical Devices
Medical Devices

Fail-safe power solutions for Portable Ultrasounds, Ventilators, and Electric Wheelchairs.

18650 Battery for Military and Emergency Services
Industrial IoT & Surveying

Long-lasting batteries for GPS Trackers, Surveying Equipment, and Handheld Terminals.

Lithium Ion Battery for Renewable Energy Systems
Energy Storage (ESS)

Safe LiFePO4 replacements for Solar Street Lights, Marine, and RVs.

Fully Customizable to Fit Your Design

Standard batteries rarely fit innovative products. At Nuranu, we adapt to your constraints:

  • Shape & Size: Ultra-thin, curved, triangular, or irregular shapes.
  • Voltage & Capacity: Ranging from single-cell 3.7V to high-voltage 96V systems.
  • Connectors & Enclosures: Custom wiring harness (JST/Molex/TE), PVC shrink wrap, or hard plastic ABS/PC enclosures (IP67 Waterproof available).
  • Smart Features: Integration of NTC thermistors, fuel gauges, and communication ports.
custom lithium batteries
About nuranu battery

About Us

Custom Lithium Battery Packs Manufacturer and Supplier Since 2012

Nuranu was founded in 2012. We are a tech company that makes rechargeable batteries. The company has the best production equipment and R&D team. Nuranu uses advanced R&D technology, precise production, high quality, and excellent customer service to meet its goal of providing excellent products and services.

Lithium Battery Packs Manufacturer Certificates

Customer Testimonials

"I've worked with Nuranu for four years. Their battery packs make my consumer electronics business more competitive. I'll be a long-time Nuranu customer! Good customer service!"

– Waqas

"We were happy! These lithium battery packs are great. The price is good compared to other vendors. We recommend Nuranu as a reliable lithium battery pack supplier."

– Albert

"I would like to express my gratitude for your support and guidance, Nuranu. Thanks to your assistance, I have been able to complete my purchase work more efficiently and effectively."

–Sarah

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