Our SnapFX Lithium-Ion Battery is engineered to seamlessly fit your SnapFX Trimmer FX797E, ensuring optimal performance and compatibility. Enjoy the freedom of unlimited cordless use, consistent speed, and torque with this cutting-edge battery technology. Stay informed with the blue LED ring light battery indicator. The lithium-ion battery offers extended battery life, allowing you to get the most out of your grooming sessions without the need for constant recharging.