Q1: What’s the biggest advantage of bifacial solar panel on this series?
A: Bifacial panel absorbs sunlight from front plus ground reflected light, improving overall charging efficiency by over 30% vs conventional single-face modules, great for cloudy & low-sunshine regions.

Q2: Recommended installation height & spacing for 100~160W models?
A: Suggest mounting height 9~12m, standard installation spacing 20~30 meters for main highway layout.

Q3: How many rainy backup days for original battery configuration?
A: Standard setup supports minimum 3 consecutive rainy days full lighting; larger capacity LiFePO4 upgrade available for 4~7 days backup.

Q4: Do you have small-watt same series models (60W/80W)?
A: Yes, we have 60W SKX-S-FY60 and 80W SKX-S-FY80 standard die-cast all-in-one solar street lights.

Q5: Can I reprogram dimming & working timing parameters?
A: All dusk/dawn switch, brightness ratio and working hours can be customized based local project requirements.

Q6: Optional LED chip brands available?
A: CREE, Bridgelux and Philips original 5050 SMD LED are optional for different budget needs.

Q7: What’s the official product warranty?
A: Full 3-year global warranty for complete lamp; free replacement for factory defective spare parts within warranty period.

Q8: What’s your bulk order MOQ?
A: Standard MOQ 50pcs, small trial & sample order is acceptable for pre-project testing.

Q9: Can I customize housing color and print customer’s own logo?
A: Custom spray color and OEM silk-screen logo service are fully supported.

Q10: Working temperature adaptability of this series?
A: Stable performance between -20℃~+65℃, fits frigid northern & tropical high-temperature environments.

Q11: Will you supply installation documents?
A: Detailed PDF installation manual and dimension drawings will be provided before or along with shipment.

Q12: Available shipment options?
A: Sea freight, air cargo & international courier(DHL/Fedex) are all supported for your selection.