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Dongguan Tianyi Electronic Technology Co., Ltd is a leading manufacturer of high-performance lithium battery packs for electric bikes, scooters, medical devices, solar systems, and industrial automation.
Dongguan Tianyi Electronic Technology Co., Ltd specializes in designing, manufacturing, and selling battery packs, located in Dongguan, China. As a professional battery pack manufacturer, we offer complete power solutions for lithium-based batteries.
Our expertise spans the design and selection of cells, PCM (Protection Circuit Module), and structural engineering to deliver safe, reliable, and high-capacity energy storage systems.
High-performance lithium battery packs engineered for reliability, safety, and long cycle life across diverse applications.
36V 4.4Ah Li-ion Pack
36V 13Ah, Model: JRTG-037BP
48V 8Ah, Model: JRTG-089BP
24V/12Ah Medical Grade
Custom 24V/48V Industrial
12V/20Ah LiFePO4
Modular 48V Systems
500Wh - 2000Wh Models
Custom 14.8V/7.8Ah
60V 5.2Ah High Torque
12V 9Ah Compact Design
12V 15000mAh Peak 1000A
We combine cutting-edge technology, rigorous quality control, and customer-centric innovation to deliver superior battery solutions.
All battery packs include multi-layer protection: overcharge, over-discharge, short circuit, overcurrent, and temperature control with intelligent BMS.
From concept to production, we support custom battery designs tailored to your voltage, capacity, size, and environmental requirements.
Designed for demanding applications in mobility, automation, healthcare, and renewable energy with robust mechanical and electrical performance.
High-quality cells and optimized charging algorithms ensure over 1000 charge cycles with minimal capacity degradation.
Products meet international standards including CE, RoHS, UN38.3, and MSDS for safe global shipping and operation.
Dedicated engineering team available for integration guidance, troubleshooting, and ongoing product optimization.
We specialize in Lithium-ion (Li-ion), Lithium Iron Phosphate (LiFePO4), and Lithium Polymer (Li-Polymer) technologies depending on application needs such as energy density, safety, and cycle life.
Yes, we offer full customization including voltage, capacity, dimensions, connectors, BMS features, and housing materials. Our engineering team works closely with clients from design to mass production.
Our products are CE, RoHS, UN38.3, and MSDS certified. We can also support additional certifications like UL, KC, or PSE upon request.
Sample lead time is 7–10 days. Mass production typically takes 20–30 days depending on order volume and customization level. We provide regular updates throughout the process.
Yes, we provide comprehensive OEM and ODM services including private labeling, custom packaging, and co-development of new battery solutions.
Ready to power your product with high-performance lithium batteries? Contact us today for quotes, samples, and technical support.
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