4-Channel 18650 Lithium-Ion Battery Tester

This advanced 4-channel battery management module delivers professional-grade testing and conditioning for 18650 lithium-ion cells. Each of the four independent slots operates autonomously, allowing simultaneous testing of multiple batteries with customizable voltage cut-off settings across 11 adjustable levels. The integrated 1A maximum current capacity handles standard charging and discharging cycles efficiently, while intelligent overheat protection and active fan cooling safeguard your batteries during extended use. USB-powered operation ensures convenient desktop compatibility without requiring external power supplies. Ideal for battery enthusiasts, technicians, and researchers who demand precision diagnostics and reliable cell maintenance. Note: Batteries not included.