LIGHTING DEVICE WITH BATTERY BACKUPA lighting device controller includes a power supply, a switch, a battery, and a status indicator. The switch can be set to either an AC only or battery backup position, indicating whether the lightin…DRIVE·May 15·1 min readFollowF21S9/022ABL IP Holding, LLC,
EMERGENCY LIGHTING DEVICE HAVING BATTERY LEVEL INDICATING FUNCTIONAn emergency lighting device includes a rechargeable battery module, a charging control module, a processing module and an indicator module. The charging control module is connected to the rechargeabl…DRIVE·Sep 12·1 min readFollowF21S9/022Xiamen PVTECH Co., Ltd.
EMERGENCY LIGHTING DEVICE HAVING CHARGING MODE SWITCHING FUNCTIONAn emergency lighting device having charging mode switching function includes a rechargeable battery module, a light source, a driving module, a charging mode switching module and a control module. Th…DRIVE·Jul 18·2 min readFollowF21S9/022Xiamen PVTECH Co., Ltd.
EMERGENCY LIGHTING SYSTEMAn emergency lighting system includes an input, a charging circuit, an auxiliary power supply, a plurality of lights, a driver, and a controller. The input is configured to receive a line voltage. The…DRIVE·Oct 19·1 min readFollowF21S9/022Hubbell Incorporated
