Projects

Nordhavn 55 trawler Explorado at the dock, showing the pale blue hull, flybridge hardtop, and exhaust-stack mast after the lithium and electronics refit
Nordhavn 55 Lithium Refit: 47 kWh of 24V Epoch Lithium, Twin Victron Quattros, and a Rebuilt Pilothouse on Explorado
How Marine Electric Systems refit the Nordhavn 55 Explorado with a 47 kWh Epoch 24V lithium house bank, twin paralleled 230V Victron Quattro 24/5000 inverter/chargers feeding a split-phase autotransformer for... Read more...
Aerial drone photo of our cruising catamaran docked at the marina, showing solar panels on the coachroof and stern arch, blue hatch covers, kayaks, and forward trampolines
Catamaran Electrical System Upgrade: Dual Victron Quattros + 1,840Ah Epoch Lithium
How we rebuilt our catamaran's 12V electrical system around two Victron Quattro 12/5000/220-120V inverter/chargers, four Epoch 460Ah LiFePO4 batteries (1,840Ah, about 23.5 kWh), a Cerbo GX with GX Touch 70,... Read more...
Nordhavn 76 motor yacht Trixie docked at a Chesapeake Bay marina before a Victron MultiPlus-II inverter/charger and Cerbo GX monitoring upgrade by Marine Electric Systems
Nordhavn 76 Inverter/Charger Upgrade: Twin Victron MultiPlus-II 5000W Units, Split-Phase 240V Power, and Cerbo GX Monitoring on M/V Trixie
Inside a Victron inverter/charger and monitoring upgrade on the Nordhavn 76 M/V Trixie: twin MultiPlus-II 24V/5000VA units in parallel for 120/240V split-phase power, a 1000A SmartShunt for house-bank state of... Read more...
2016 Leopard 48 sailing catamaran "Tortuga" docked at a Chesapeake Bay marina, hailing port Alexandria, VA, ready for the lithium battery refit
Leopard 48 Catamaran Lithium Battery Refit: A 1,840 Ah Epoch House Bank, Dual Victron Quattro 5000W, and a Complete Electrical Overhaul on Tortuga
Inside a 1,840 Ah lithium battery refit on a 2016 Leopard 48 catamaran — dual Victron Quattro 5,000W inverter-chargers, a 100A autotransformer, externally regulated alternators with Arco Zeus, and unified... Read more...
Beneteau Oceanis 45 "Blue Heron" on the hard at a Maryland boatyard, prepared for a full lithium electrical refit
Beneteau Oceanis 45 Lithium Battery Refit: A 1,380 Ah House Bank, Victron Quattro 5000W, and a Full DC System Overhaul
Inside a 1,380 Ah lithium battery refit on a Beneteau Oceanis 45 — Victron Quattro 5000W, Arco 275A alternator, Cerbo GX monitoring, and DC-DC charging across every auxiliary bank. Read more...
Dufour 50 hauled out at the yard, ready for the lithium upgrade
From AGM to Lithium: A Full Electrical Overhaul on a Dufour 50
Inside a 920 Ah lithium battery refit on a Dufour 50 sailing yacht — Victron MultiPlus inverter/charger, Arco Zeus alternator regulation, and unified Cerbo GX monitoring across every charge source. Read more...