This article covers Sintron 15 Amp 125V AC Power Inlet Port Plug with Integrated Dual 18" Extension Cord.

Overview

The Sintron 15 Amp 125V AC Power Inlet Port Plug is a specialized power distribution accessory designed for RVs, boats, and outdoor power setups. It features a NEMA 5-15 flanged inlet with a weatherproof cover, making it suitable for exterior wall mounting. The unit integrates dual 18-inch extension cords, effectively splitting a single inlet into two outlets. Rated for 15A at 125V, it handles standard household power levels.

Connectivity & Compatibility

This product accepts NEMA 5-15 plugs (standard three-prong grounded) and provides two female NEMA 5-15R receptacles via the integrated cords. The flanged inlet is designed for RV wall installation, and the weatherproof cover protects the inlet when not in use. Compatibility is broad for devices using standard North American power plugs, but users in Japan may need a grounding adapter due to slight differences in plug shape. The short 18-inch cords limit placement flexibility; you may need additional extension cords.

Product Info

Sintron is a brand specializing in power accessories. This model is available on for around ¥4,711 (as of August 2026). It falls in the entry-to-mid-range price tier for RV power solutions. The package includes the inlet assembly with attached cords and a weatherproof cover; mounting hardware is not included. Warranty is typically one year from the manufacturer. Market positioning: a cost-effective, practical solution for adding a weatherproof power inlet to an RV or outdoor setup.

Best Use Cases

This product is ideal for: RV and trailer owners who need an external power connection: the flanged inlet mounts flush on the exterior wall, and the weatherproof cover protects against rain and dust. Outdoor event organizers or construction site workers requiring temporary power distribution: the dual cords allow powering two devices from one inlet, and the rugged build withstands outdoor conditions. DIY enthusiasts building custom power panels: the NEMA 5-15 flanged inlet serves as a panel-mount component for projects. Not recommended for: Indoor-only use where a standard power strip is cheaper and more flexible. High-current applications exceeding 15A. Users needing long reach, as the 18-inch cords are quite short.

Product Disclosure (Amazon)

  • Manufacturer: Sintron
  • Seller: Amazon US
  • Fulfilled by: Amazon US
  • ASIN: B09C7TFZCS
  • Note: This article covers a manufacturer-made product based on Amazon listing details.