6V/12V maintenance-free, rechargeable sealed lead acid battery (28W model).
Offers 4.8W, 7.8W, 20.8W of remote capacity (6V/12V DC output) standard on the 12W, 15W and 28W models.
Internal solid-state transfer switch automatically connects the internal battery to LED board and LED lamp heads for minimum 90-minute emergency illumination.
Fully automatic solid-state, two rate charger initiates battery charging to recharge a discharged battery in 24 hours.
Universal knockout pattern on back provided with gasket for watertight seal for back mount.
Polycarbonate mounting canopy included for top or end mount.