Quick Details Place of Origin: Guangdong,Website:http://www.df-emergency.com, China (Mainland) Brand Name: DENGFENG Model Number: DF168-30H Bulb Type: LED Battery Type: NiCd/NiMh/LiR Material: Thermoplastic Usage: Office emergency lighting Certification: CE Rohs FCC Specifications: 28w Product Name: LED emergency pack Emergency Power Sourece: 30w~100w Input voltage: AC 90~280V, 50/60Hz Conversion Efficiency: ≥90% Working Lifetime(Hour): 30000 Warranty: 3 years Compliance: IEC 62321-1:2103Packaging & DeliveryPackaging Details:Paper Emergency packs package with single set, carton case or packed as requiredDelivery Detail:sample:1-3days, below 100pcs:5-7days,above 1000pcs:7-12daysProduct Description TUV CE Rohs FCC Certified LED Emergency Light Power Kits 1) Power: 28W 2) Conversion Efficiency: ≥90% 3) Working Lifetime(Hour): 30000 4) 3 years warranty 5) High quality and Manufacturer PriceLED Emergency Power Pack:28W 1.5H with 8w emergency powerPart No.DF168-30HProduct NameLED emergency packBattery capacity12V NiMH, NiCd,  Lithium batteryLED Source Power/Emergency power28w/8wInput voltageAC 90~280V, 50/60HzCharging current170-300mASignallingYesWorking Test buttonYesAutomatic Monthly TestNo(optional yes)Automatic yearly TestNo(optional yes)Duration0.5~3hrs (custom-made)Battery protectionYesOperation temperature-20--50℃  , 65+20% RHHighest Surface Temperature60°CBattery12V Rechargeable battery packCharging Time>24h without breakOut Voltage in emergencyDC 18-80VSuitable light sourceLED Panel Light, LED Ceiling Lights,LED Downlight etc.NoteThe battery size is custom-made