Medical Devices

Trusted Manufacturer of Lithium Battery Packs for Medical Devices

A compact medical diagnostic device on a hospital cart powered by a lithium battery pack, with patient monitoring screens active in a sterile white clinical setting.

With over 18 years of experience, Junda Battery is a leading supplier of custom lithium battery packs for medical equipment, providing end-to-end support including engineering, prototyping, testing, and full-scale production. Our battery solutions are trusted by global medical device companies across Class I, Class II, and select Class III applications.

We design and manufacture long-lasting, high-reliability power systems for critical and portable medical technologies such as:

  • Electric wheelchairs & e-scooters

  • Medical track lifts and mobile patient handling systems

  • AED (automated external defibrillators)

  • Medical carts and portable diagnostic stations

  • CT/CAT scan and MRI imaging systems

  • Glucose and blood pressure monitors

  • Infusion pumps, enteral feeding pumps

  • Handheld and portable ultrasound devices

  • PAP/CPAP breathing support equipment

  • Surgical tools and specialty handheld devices

As part of our commitment to innovation in healthcare, Junda Battery offers exclusive support for research and development organizations through our Charge Less Program, providing cost-effective lithium battery solutions for medical R&D projects.

Medical Battery Design Standards & Requirements

Junda’s medical battery solutions are engineered to meet the most stringent industry demands. Our design approach emphasizes:

  • High reliability & safety in mission-critical environments

  • Compact size & custom shapes for device integration

  • Long runtime and energy efficiency

  • Support for low/high temperature environments

Quality Management System

Junda Battery follows ISO 13485 standards throughout the production process, ensuring our medical batteries meet strict safety, reliability, and performance requirements aligned with IEC 60601 regulations.

Supply Chain Reliability

We work with certified, eco-compliant suppliers to ensure stable quality and reliable lead times, enabling consistent production and traceable, medical-grade battery components.

Battery Design Expertise

With nearly 20 years of experience, Junda designs lightweight lithium batteries that offer longer runtime and reduced charging frequency—perfectly suited for portable medical devices.

Custom Battery Solutions for Medical Equipment

At Junda Battery, we provide customized lithium battery packs tailored to the specific needs of Class I, II, and III medical devices. Our solutions are engineered with a deep focus on safety, longevity, and environmental adaptability—ideal for mobile, diagnostic, and life-support equipment.

Key Design Features:

  • Smart BMS Protection: Multi-level protection with redundancy circuits for overcharge, over-discharge, short circuit, and real-time SOH/SOC monitoring.

  • Battery Chemistries: Custom packs can be built with NCM (18650, 21700), LiFePO₄, LiPo, or NiMH cells based on application needs and regulatory requirements.

  • Enclosure Options: Soft pack, plastic case, or metal housing with IP67/IP68 waterproof/dustproof ratings available.

7.4V 5000mAh 2S1P 21700 Battery for Medical Devices

Built with LG/Samsung 21700 cells, this compact pack is suitable for portable Class II diagnostic equipment.

  • Internal resistance ≤ 100mΩ

  • 12-month warranty

12.8V 35Ah LiFePO₄ Battery for Medical Trolleys

Designed for mobile medical trolleys and monitoring carts.

  • Over 2000 cycles @ 80% DOD

  • Size: 286×260×101mm

  • IP67-rated, low self-discharge for long standby

14.8V 7500mAh 4S3P Lithium Battery for AEDs

High-output, long-standby battery pack specially designed for portable AED equipment.

  • Performs reliably in low temperatures

  • Lightweight, outdoor-ready for emergency use

-30°C 24V 16Ah Low-Temperature LiFePO₄ Battery

Built with 40 x 26650 LiFePO₄ cells, this rugged battery is ideal for outdoor or mobile medical equipment.

  • Cold-resistant down to -30°C

  • IP64-rated casing

  • Longer cycle life than NCM counterparts

Medical Equipment Battery Pack – FAQ

What types of medical devices can Junda Battery packs be used in?

Our custom lithium battery packs are widely used in portable and critical medical devices such as electric wheelchairs, AEDs, infusion pumps, medical trolleys, CPAP machines, diagnostic monitors, and portable ultrasound equipment.

We offer battery packs using NCM (18650, 21700), LiFePO₄, LiPo, and NiMH cells. Selection depends on energy density, safety requirements, temperature range, and cycle life.

Yes. Junda Battery designs packs with redundant safety mechanisms, smart BMS, and adheres to IEC 60601 standards. Our batteries are suitable for Class I, II, and some Class III medical applications.

Absolutely. Our low-temperature LiFePO₄ batteries can support charging down to -5°C and discharging down to -30°C, making them ideal for mobile and outdoor medical equipment.

Yes. We offer fully custom battery packs, including voltage, size, housing (soft pack, plastic, or metal), IP67/IP68 protection, and BMS firmware. OEM/ODM branding is available.

Depending on your market needs, our batteries can meet UN38.3, IEC 62133, ISO 13485, CE, and RoHS. All packs are tested for safety, performance, and traceability.

Most packs support over 1000 to 2000 cycles, depending on the chemistry (LiFePO₄ offers longer life). Our design focuses on extended runtime and reduced charge frequency.

Get Free Quote

Need a custom lithium battery pack? Just send us your specs—we’ll help you choose the right voltage, case, and configuration for your application.

Custom Battery Packs Made Easy

At JUNDA, we make customization easy. Follow these 3 simple steps to start today:

🔧 Step 1: Tell Us What You Need

Send your battery requirements — voltage, capacity, casing type, or upload drawings/photos.

💡 Step 2: Get Solution & Quote

We’ll evaluate your specs and recommend the best configuration. A detailed quote will be sent within 24 hours.

🚚 Step 3: Confirm & Produce

After approval and deposit, we start production. Shipping and tracking will be arranged for fast, secure delivery.