LED Shoebox Retrofit Kit - RK Series,300W,43500lumens,5000K,100-277V

• Super Bright Shoexbox LED Retrofit Kits - With outstanding 145 lumens per watt, the led retrofit kit provides 43,500 lumen output. This 300 watt led light is a perfect replacement for a traditional bulb,typically appearing brighter and also providing more than 90% in energy savings.80+ CRI Rating and 5000K for super bright outdoor large area lighting.
• Maintenance Saving - Advanced SMD3030 LEDs and Meanwhile Driver for superior performance and longer lifespan.Excellent heat dissipation system with overheat protection sensor, aluminum heat sink and high speed fan to protect leds at lower operating temperature. Longer lifespan of 500,00 hours, that's about 23 years of 6 hours per day,which will reduce maintenance cost dramatically.
• Quick Installation - The led retrofit kits come with E39 Mogul Base - Just screw in. Replace the ballast with the LED Driver and old bulb with the LED light. No need to replace existing fixtures. Adjustable U bracket for horizontal and vertical mounting. Please check retrofit kit picture and dimensions to ensure fitment.
• Wide Application - High Bay led retrofit kit is perfect for retrofitting existing high bay,low bay, wall pack, led parking lot pole lights,led tennis court lights,led shoebox light, and many other types of fixtures. Great solution for commercial electrical contractor or project managers!
• 5 Year Service - ETL listed, which ensures Rebate Eligible and lowest maintenance. We also offer 5 years service for the 300w led retrofit kits.

Shipping
In-stock items are shipped within 24–48 hours of order placement (Monday–Friday), with weekend orders typically processed on Monday. Delivery generally takes 2–7 business days, depending on carrier availability and destination. For special or non-stock orders, please contact our Customer Support Team at 1-332-261-9131 for estimated lead times. All shipments require UPS Adult Signature Confirmation, meaning an individual aged 21 or older must sign upon delivery.

Returns
Customers may return unused, non–made-to-order items in their original packaging within 30 days of delivery, with return shipping costs borne by the customer.

Orders canceled within 24 hours are eligible for a full refund; cancellations made after this period are subject to a 10% fee. Please ensure all order details are accurate before submission. International orders are final sale and not eligible for return. In the event of an incorrect shipment, customers must notify our customer service team within 24 hours to receive a return label and replacement.

Custom or made-to-order products may be non-returnable or subject to a restocking fee—please refer to individual product pages for specific return eligibility and fee details.

All NGTLight products include a limited one- to five-year warranty against defects in materials and workmanship from the purchase date, excluding damage from improper installation, misuse, neglect, or unauthorized modifications. To maintain warranty coverage, products must be installed by a licensed electrician in accordance with applicable codes and instructions; improper or unlicensed installation voids the warranty. It is the responsibility of the installer or system designer to ensure compatibility with all system components and conditions. We strongly recommend testing all fixtures upon receipt and before installation to confirm proper operation, as NGTLight is not liable for costs related to removal or reinstallation due to post-installation defects.