ABB Emergi-Lite’s JMC Series battery unit’s emergency lighting system shall consist of fully automatic equipment with two emergency lighting heads. The unit shall be rated V with a capacity of W for 30 minutes of emergency operation. The charger shall be factory set with a charging voltage tolerance of ± 1% to enable a longer battery life. The emergency light heads shall require no tools for adjusting or aiming. The metal cabinet shall be made of steel with anti-corrosion undercoating. The JMC Series unit is equipped with the auto-test micro-controller board shall self-test 1 minute every 30 days, 10 minutes every 6 months and 30 minutes every 12 months. The unit shall be supplied with a test switch and diagnostic LED indicator lights to continuously monitor the status of the unit: Battery Failure, Battery Disconnect, Charger Failure, Lamp Failure, Service Alarm, Main Voltage AC “ON”, Charger High Rate.