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By certification 
1.Model:SR-ASL04
2.solar panelMax power:18V 70W (mono-crystalline silicon)
3.Life time of solar panel:25 years
4.Battery Type:lithium battery 12.8V/30AH
5.battery Life time:5 years
6.LED Lamp:Max power 12V 50W
7.LED chip brand:Bridgelux from USA with high brightness
8.LED lamp lumen (LM):5000-5500lm
9.LED lamp life time:100000hours
10.LED lamp viewing Angle:120°
11.Charge Time:by sun,8 hours (in strong enough sunshine)
12.Discharge Time Full power mode:>15 hours
13.Discharge Time Saving power mode:>30 hours
14.Working Temperature:Range:-20 degrees ~+70 degrees
15.Colour Temperature Range(k):6000-6500k
16.Mounting Height Range (m)7-9m
17.Space Between Light Range (m):30-40m
18.Lamps Material:aluminium alloy
19.Certificate:CE/ROHS/IP65
2.solar panelMax power:18V 70W (mono-crystalline silicon)
3.Life time of solar panel:25 years
4.Battery Type:lithium battery 12.8V/30AH
5.battery Life time:5 years
6.LED Lamp:Max power 12V 50W
7.LED chip brand:Bridgelux from USA with high brightness
8.LED lamp lumen (LM):5000-5500lm
9.LED lamp life time:100000hours
10.LED lamp viewing Angle:120°
11.Charge Time:by sun,8 hours (in strong enough sunshine)
12.Discharge Time Full power mode:>15 hours
13.Discharge Time Saving power mode:>30 hours
14.Working Temperature:Range:-20 degrees ~+70 degrees
15.Colour Temperature Range(k):6000-6500k
16.Mounting Height Range (m)7-9m
17.Space Between Light Range (m):30-40m
18.Lamps Material:aluminium alloy
19.Certificate:CE/ROHS/IP65
