The BAK H18650CQ is a high-performance 18650 lithium-ion battery with a 2550mAh capacity, designed for applications requiring reliable and long-lasting power. Its 3.7V nominal voltage and high energy density make it ideal for use in portable electronics, power tools, electric vehicles, and energy storage systems.

This battery features a standard 18650 cylindrical form factor (18mm diameter × 65mm length), making it compatible with a wide range of devices and battery holders. With a maximum continuous discharge current of 5A, it can handle moderate power demands, while its low self-discharge rate ensures it retains charge when not in use.

Built with safety and durability in mind, the BAK H18650CQ includes built-in protection circuits (in some models) to prevent overcharging, over-discharging, and short circuits. Whether you’re powering a flashlight, a DIY project, or a professional-grade tool, this battery delivers consistent performance and reliability.