Advantages: - a. All In One Integrated Design(Put Solar Panel, LED Lamp, Battery and Controller in One Box)- b. Without Any Cable, Easy to Install and Ship- c. Longer Service Life- d. Easy to Maintain and Replace Traditional Lights- e. Save Energy and Eco-friendly- f.  Support Long Working Time Up To 3-4 rainy days Once the Battery Full Charged- g. Waterproof Grade IP65 for Outdoor Application- h. Resist any Bad Weather Condition and Working Temperature Range from -20°C to 60°C                                 ALL IN ONE Solar street light◆NSP50W/60W/80W    50W/60W         80WModelNSP50NSP60NSP80LED LightMax power12V 50W12V 60W12V 80WLed chipBridgelux , USALumen (LM)5000-5500Lm6000-6600Lm8000-9600LmLife time50,000hoursSolar panelMax power18V/80W18V/90W18V/110WSolar cellHigh efficiency, MonoLife time25yearsBatteryCapacity36AH42AH66AHTypeLithium-ion LiFePO4Life time5 yearsChargingBy sun6-10 hours effective sunlightLightingDimming power>12hoursWork tempRange(℃)Charging:0℃~ 60℃, discharging: -20℃~ 60℃ storage:0℃~ 45℃Colour tempRange(k)6000-6500kHeightRange (m)8-9m8-9m8-10mSpacingRange (m)25-30m25-30m35-42mWork modeCustomized availableTime control, Full power dimming.MaterialAluminium alloyCertificateCE / ROHS / IP65Warranty3yearsPacking