REPLACED WITH NEW PART NUMEBR 520001 FOR AC POWER APPLACATIONS, TRANSFORMER PART 520009 IS REQUIRED DO NOT USE WITH TRANSFORMER PN# 520008 FOR SOLAR APPLICATION, NOTHING ELSE IS REQUIRED
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.