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Wesley reviews the new Victron MultiPlus 48/20000 at the Blue Marine shop
Inverters & Chargers

Victron MultiPlus 48/20000 Review: 20,000 Watts From One Box

Victron's new flagship MultiPlus delivers 20 kW continuous, a 25 kW one-minute surge, and a 250-amp charger from a single unit. Wesley reviews the numbers, opens the service panel, and covers the N...

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Close-up of a sailor's hand on a sailboat steering wheel

2027 Electrical Goals: How to Plan Your Boat or RV Upgrade

Most boat and RV owners think about electrical upgrades reactively — when the batteries die, when the inverter fails, when a trip gets cut short. The end of a year is a natural moment to be proacti...

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How to Configure the Victron MultiPlus-II for Lithium Batteries

How to Set Up the Victron Connect App on Your Phone

VictronConnect is Victron Energy’s free mobile app — available for iOS and Android — that connects to Victron devices over Bluetooth. Every Victron product with a “Smart” designation is compatible...

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Electric Outboard Maintenance Guide: How to Keep Your Motor Running

Electric outboards have a fraction of the moving parts of a gas motor — no fuel system, no ignition, no oil changes. But they still require routine care, and the items that matter most are differen...

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Wes installs the new Victron MultiPlus-II 12/4000 on the Blue Marine demo wall
Inverters & Chargers

Victron MultiPlus-II 12/4000 Review: The 12V Power Ceiling Just Moved

The new MultiPlus-II 12/4000 breaks the 12V line's 3,000 VA ceiling — 3,400 watts continuous, a 6,000-watt surge, and a 160-amp charger. Wes unboxes, installs, and configures the new flagship on ou...

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Sailboat being lifted by a marina boatyard crane for seasonal maintenance

Planning Your Spring Electrical Upgrade: How to Get a Head Start This Winter

Most electrical upgrades happen in the spring — and most of the pain around them comes from people who didn’t plan until spring. Parts with 6-week lead times. Installers who were fully booked in Fe...

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Don't Buy Victron Until You Watch This — A Buyer's Guide

Best Victron Products for a First-Time Boat Electrical Upgrade

Victron Energy makes dozens of products across battery monitoring, solar, inverters, chargers, DC-DC chargers, and system integration. For someone upgrading a boat’s electrical system for the firs...

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How to Choose the Right Victron Solar Charge Controller

PWM vs MPPT Solar Charge Controllers: What's the Difference?

Every solar panel installation needs a charge controller — a device that sits between the panels and the battery bank and manages how power flows from one to the other. There are two fundamentally...

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Boater connecting shore power from a marina pedestal to his yacht

Complete Guide to Marine Shore Power: Connections, Safety, and Best Practices

Shore power is the foundation of a boat’s electrical system when it’s at the dock — it charges the battery bank, runs AC loads directly, and powers the inverter/charger. But marine shore power has ...

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Victron Orion DC-DC Chargers and Converters — Full Guide

How to Size a DC-DC Charger for Your Van or RV

A DC-DC charger is the right way to charge an auxiliary (house) battery from your vehicle’s alternator — whether you’re in a van, RV, truck camper, or boat. It does something a simple battery-to-b...

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Close up of the circuit board that manages battery cells

Lithium Battery BMS Explained: What It Does and Why It Matters

Every LiFePO4 battery has one. You can't buy a reputable lithium battery without it. But “the BMS” gets treated as a black box — something you’re told to trust without being told what it actually d...

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Wesley installs a Victron VE.Bus Smart Dongle on a MultiPlus-II at the Blue Marine shop
Monitoring & Apps

Victron VE.Bus Smart Dongle: What It Does — and What It Doesn't

The VE.Bus Smart Dongle gives your MultiPlus, MultiPlus-II, or Quattro Bluetooth monitoring and control in VictronConnect — what it does, what it doesn't, and the five-minute install.

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Victron Blue Smart Charger IP22 vs IP65 vs IP67 — Which Do You Need?

Victron Blue Smart Charger: IP22 vs IP65 vs IP67 — Which Do You Need?

The Victron Blue Smart Charger comes in three IP ratings — IP22, IP65, and IP67 — and the right choice depends almost entirely on where the charger lives on your boat, RV, or off-grid build. Wesley...

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Ultimate ePropulsion Evo Controls Guide — Tiller, Remote, Side Mount Explained

Ultimate ePropulsion Evo Controls Guide: Tiller, Remote & Side Mount Explained

The ePropulsion Evo control system is universal — the same throttle electronics work across the Spirit Evo outboards, the heavy-duty Navy Evo series, and ePropulsion’s electric Pod Drives. What cha...

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Constant Connectivity on the Water — Roam Marine Monitor Hub Review

Constant Connectivity on the Water: Roam Marine Monitor Hub Review

The Roam Marine Monitor Hub is a cellular monitoring system that watches your boat while you’re away from the dock — battery voltage, bilge activity, GPS position, temperature, and more — and sends...

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Mass Energy Storage Anywhere — MESSX Power Station Review

Mass Energy Storage Anywhere: MESSX Power Station Review

The MESSX is what happens when you take Victron’s most capable components and engineer them into a single rugged cabinet that can roll onto a concert stage, charge EVs in a field, or power a city e...

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Common Lithium Battery Installation Mistakes (and How to Avoid Them)

Lithium (LiFePO4) batteries deliver meaningfully better performance than AGM — higher usable capacity, longer cycle life, faster charging, and lighter weight. But they’re not drop-in replacements. ...

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Victron Lynx Product Line Overview — Busbars, Distributors, and Shunts

Victron Lynx Product Line Overview: Busbars, Distributors, and Shunts

The Victron Lynx system is a modular high-current DC busbar and distribution framework — the clean, engineered alternative to fabricating your own copper busbar connections in a large battery insta...

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Wes answers common Victron troubleshooting questions at the Blue Marine shop
Troubleshooting

Common Victron Questions, Answered from the Shop Floor

The Victron troubleshooting questions we hear every week — MultiPlus-II, SmartSolar MPPT, and SmartShunt — answered the way we'd answer them if you called the shop.

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Victron Lithium NG vs Lithium Smart — Is the Upgrade Worth It?

Victron Lithium NG vs. Lithium Smart: Is the Upgrade Worth It?

Victron’s Lithium Smart batteries have been a benchmark for marine, RV, and off-grid power systems for years. The Lithium NG is the next generation — same proven LFP cell chemistry, but with a sign...

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ePropulsion Spirit 1.0 Evo & Plus Explained — Features and Differences

ePropulsion Spirit 1.0 Evo & Plus Explained: Features and Differences

The ePropulsion Spirit 1.0 Plus and Spirit 1.0 Evo are both 1,000-watt electric outboards — quiet, clean alternatives to a 3 horsepower gasoline motor — and at a glance they look nearly identical. ...

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Isolated vs Non-Isolated DC to DC Devices - Blog

Isolated vs Non-Isolated: Which Victron Orion DC-DC Device Do You Need?

Isolated or non-isolated? Our ABYC-certified team explains exactly what the difference means, when you need each one, and which Victron Orion device is right for your boat, RV, or off-grid system.

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High-Performance Lithium — Epoch Battery Lineup Reviewed

High Performance Lithium: Epoch Battery Lineup Reviewed

Epoch Batteries is a US-based, veteran-owned company with a straightforward value proposition: high-quality LiFePO4 batteries backed by an 11-year warranty across the entire lineup. Wesley walks th...

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What Is Victron Energy? A Plain-English Guide for New Buyers

What is Victron Energy? A Plain-English Guide for New Buyers

If you’re new to off-grid power or marine electrical and keep seeing the Victron name everywhere — on forums, in installer recommendations, on boats and vans — this is the post that explains why. B...

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Victron MK3-USB Interface — Connection and Configuration Guide

Victron MK3-USB Interface: Connection and Configuration Guide

The MK3-USB is a small adapter, but it's the key to accessing the full configuration menu of a Victron MultiPlus or Quattro. If you want to program a lithium charge profile, set an AC input current...

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Boats shrink wrapped and stored on blocks for the winter

How to Winterize Your Boat's Electrical System

End-of-season layup is when a lot of electrical problems get set up for spring. Batteries left to self-discharge through winter, connectors that trap moisture, shore power cords that freeze in thei...

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The Only Marine Battery Charger You'll Ever Need — Victron Skylla IP65 Review

The Only Marine Battery Charger You'll Ever Need? Skylla-IP65 Review

The Skylla-IP65 (pronounced “Sila”) is Victron’s heavy-duty shore power charger built for the realities of a marine engine room: salt air, high humidity, and the kind of vibration and splash that w...

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