24w downlight panel light ceilling light emergency pack with battery      

Technical Details:
1.The battery charging and discharging times:>500 times;
2.Ambient Temperature range ta:0°C~+55°C
3.Max.casing temperature tc:70°C
4.Input voltage :AC 100-240/220-240V
5.Lamp: 10/20/30/40W LED light
6.Battery: Ni-Cd 3.6V/Li-on 3.7V or Ni-cd 7.2V/Li-on7.4V
7.Charging time: 30H
8.Conversion time<3s
9.EM Time: 3H