If you are going to buy best 20W 25W 30W 40W ALL IN ONE solar street light or check the price with one of the leading 20-40w solar street light suppliers, with led solar lights for sale, Commercial Energy Electronics Co.,Ltd is always at your service.ALL IN ONE Solar street light◆NSP20W/25W/30W/40WModelNSP20NSP25NSP30NSP40LED LightMax power12V 20W12V 25W12V 30W12V 40WLed chipBridgelux , USALumen (LM)2000-2100Lm2400-2500Lm3000-3300Lm4000-4400LmLife time50,000hoursSolar panelMax power18V/45W18V/50W18V/60W18V/60WSolar cellHigh efficiency, MonoLife time25yearsBatteryCapacity18AH21AH21AH24AHTypeLithium-ion LiFePO4Life time2 yearsChargingBy sun6-10 hours effective sunlightLightingDimming power>20hoursWork tempRange(℃)Charging:0℃~ 60℃, discharging: -20℃~ 60℃ storage:0℃~ 45℃Colour tempRange(k)6000-6500kHeightRange (m)5-6m5-6m6-7m6-7mSpacingRange (m)18-20m18-20m20-25m20-25mWork modeCustomized availableLight on at dusk, light off at dawn auto. PIR motion sensor detection. Full power lighting when a human move in the sensors range. 30% power lighting when a human move out.MaterialAluminium alloyCertificateCE / ROHS / IP65Warranty2-5 yearsPacking