Li-ion battery

customISOhigh density energy

For over a decade, TEFOO Batteries has been manufacturing high-quality 10.8V 18650 Li-ion battery packs, widely used in portable device. Our engineering team continually refines the design, assembly, and testing processes to ensure superior quality and reliability. As a leading custom 18650 battery pack manufacturer, we adhere to strict ISO 9001 quality management practices to enhance battery life cycles and performance. Key Features and Benefits Advanced Protection Features: Each battery pack includes over-discharge, overcharge, and short circuit protection to ensure safe and reliable operation. Customizable Design: Every 10.8V battery pack is uniquely designed to meet your specific requirements, offering flexibility and precision. High Energy Density: Our batteries provide high energy density, ensuring long-lasting power and efficiency. Low Self-Discharge Rate: Designed to maintain charge over extended periods, reducing the need for frequent recharging.