Victron Energy MultiPlus-II 3000VA 48V Pure Sine Wave Inverter Charger – PowerAssist, UL Certified

Overview

The Victron Energy MultiPlus-II is a rugged pure sine wave inverter charger designed to keep essential loads powered in off‑grid, marine, and vehicle environments. With a 48‑volt battery connection and up to 3000 VA of output, it provides clean, reliable energy to a wide range of devices while giving you flexible control over how power is sourced and used.

This unit merges inverter and battery charging into a single, professional‑grade package. It can be extended with an external current transformer to enable PowerControl and PowerAssist, helping you optimize self‑consumption and adapt to changing power conditions without interrupting critical loads.

Key capabilities

• Pure sine wave output suitable for sensitive electronics, appliances, and motors
• Built‑in anti islanding and broad country approvals for safe, compliant operation
• PowerAssist helps prevent overload when a limited AC source is connected
• External sensing up to 32 A enables coordinated use of batteries and AC sources
• Parallel operation with up to six units or three‑phase configurations for higher power needs

Reliability in action

• Fast transfer to inverter operation when AC input is lost or disconnected, typically around 20 ms
• Seamless handoff keeps loads powered during source transitions
• Designed for professional marine, yacht, vehicle, and land‑based off‑grid installations

Practical uses and daily deployment

• Power management that adapts to shore, generator, and battery conditions to maximize efficiency
• Scalable architecture lets installers add units for more capacity or to suit three‑phase layouts
• Rugged construction and established approvals support long, dependable service in demanding environments