Need a reliable replacement battery for your FiOS system or other backup power device?

The Mighty Max ML8-12 is here to save the day!

This 12V 8AH sealed lead-acid (SLA) battery is maintenance-free, spill-proof, and ready to install.

It's a perfect match for the GT12080-HG and other similar backup systems.

With F1 terminals and dimensions of about 5.94 x 2.56 x 4.02 inches, it should drop right into place.

You can mount it in any position—it's tough enough to handle shocks and vibrations.

Whether you're keeping your internet running during a power outage or powering a small device, this battery delivers steady performance and comes with a full one-year warranty for peace of mind.