Junda Battery is a trusted manufacturer of high-performance lithium battery packs for power tools, with over 10 years of industry experience. We specialize in custom-engineered battery solutions designed to deliver consistent power, safety, and long service life in demanding tool applications.
Our power tool batteries are built with premium-grade cells, durable casings, and smart battery management systems to ensure maximum efficiency and reliability under high-load conditions.
We serve a wide range of power tool categories, including:
Construction tools (e.g., drills, saws, grinders)
Gardening tools (e.g., trimmers, blowers, hedge cutters)
Professional cleaning tools (e.g., cordless vacuums, floor scrubbers)
Whether you’re developing new cordless tools or upgrading existing models, Junda Battery provides tailor-made battery packs to meet your voltage, capacity, and performance requirements.
Junda Battery offers tailor-made lithium battery packs designed specifically for cordless power tools. Whether you’re building rugged construction equipment, outdoor garden tools, or professional cleaning systems, we engineer battery packs to meet your performance, safety, and environmental requirements.
Engineered for high-drain tools, this battery pack delivers powerful torque with extended runtime, ideal for heavy-duty drilling tasks.
This LiFePO₄ pack offers long runtime, excellent stability, and weather resistance—ideal for autonomous and manual lawn mowers.
Compact and lightweight, this battery pack is optimized for agricultural and garden sprayers, offering stable output and extended use time.
Designed for cordless vacuum cleaners, this pack ensures efficient energy delivery and long cleaning cycles.
Our custom lithium battery packs are suitable for a wide range of cordless power tools, including:
Construction tools: drills, grinders, electric cutters
Gardening tools: lawn mowers, sprayers
Professional cleaning tools: vacuum cleaners, floor scrubbers
We tailor the voltage, discharge rate, size, and protection features based on the specific tool application.
Yes. We offer full customization including:
Voltage ranges: 18V, 22V, 24V, 25.2V, 36V, etc.
Capacity options: 6Ah, 8Ah, 10.4Ah, 15Ah, 20Ah, 40Ah and beyond
Discharge rate (C-rate), BMS protection, casing shape, waterproofing, and connectors
Our team will evaluate your tool’s requirements and deliver an optimized solution.
We primarily use:
Lithium-ion (NCM): for compact size, high energy density
LiFePO₄ (Lithium Iron Phosphate): for thermal stability, safety, and long life (ideal for outdoor and garden tools)
Each chemistry is selected based on your safety, performance, and cost considerations.
Our packs typically support:
>500 cycles for high-output lithium-ion (NCM) batteries
>2,000 cycles for LiFePO₄ battery packs
All packs undergo cycle testing and aging tests before shipment.
Yes. Our construction tool batteries are designed to handle high current draw, often exceeding 15C, with stable voltage and minimal heat buildup. Each pack includes intelligent BMS to protect against overcurrent, overheat, and short circuit.
Absolutely. For garden tools and cleaning machines, we provide IP-rated enclosures with dustproof and water-resistant designs, ensuring long-term operation in harsh outdoor or wet environments.
We provide:
Technical consultation and troubleshooting
Replacement and repair service (under warranty)
Ongoing support for BMS upgrades or firmware updates
Engineering assistance for integration with your tool system
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.
At JUNDA, we make customization easy. Follow these 3 simple steps to start today:
Send your battery requirements — voltage, capacity, casing type, or upload drawings/photos.
We’ll evaluate your specs and recommend the best configuration. A detailed quote will be sent within 24 hours.
After approval and deposit, we start production. Shipping and tracking will be arranged for fast, secure delivery.
