Smartpool NC1023 NC51 Nitro Power Supply NC1023 power supply for Smartpool NC51, NC52, NC51S, NC52S. Quality and affordable pool robot accessory by EZ Care ETL listed to UL standard, weather and UV resistant Compatible to Nitro NC52, NC52S, PT7i pol robots. Built in dual timer. 1 hour or 3 hours Can replace NC1013 power supply with additional dual timer control Quality and Affordable Pool Robot Accessory by EZ Care. This is not created or sold by Smartpool or Smartkleen who has their own definition of customer service and have different quality standard from ours