Capacitors (NEC PC Engine Duo) Updated Apr 18, 2026 · 14 min read · Support · 0 viewing 🔥 Most active page right now Previous 📄 NEC PC Engine Duo NEC PC Engine Duo Next Power Up Basics (NEC PC Engine Duo) The PC Engine Duo-R has a DC 10V (6.3mm x 3.0mm) center positive power supply. To power from the ben...