Best Technologies LI 1020 (Fortress) Replacement UPS Battery Set

Replacement battery pack for Best Technologies LI 1020 (Fortress) UPS units. This complete set restores the backup power capability of your LI 1020 (Fortress) system and is intended as a direct swap for worn batteries. Simple to install and tailored to fit the LI 1020 (Fortress) model, it helps keep your UPS operating reliably for continued protection of connected equipment.