Victron Energy MultiPlus-II 48V 5kVA 120V AC Output, 70A Battery Charger
The Victron Energy MultiPlus-II 48V 5kVA 120V 70A inverter-charger is a robust, high-performance solution for mobile, residential, and off-grid power systems. Designed for both grid-tied and stand-alone applications, this inverter-charger delivers 4kW of continuous power (peaking at 9kW) with an ultra-low idle consumption of just 15W.
It combines smart energy management with advanced inverter technology, ensuring uninterrupted power delivery to critical loads while efficiently charging your battery bank. Its PowerAssist and PowerControl features intelligently manage input and output power to maximize efficiency and protect against overloads — making it ideal for RVs, off-grid homes, and backup systems.
Victron Energy MultiPlus-II 48V 5kVA 120V AC Output, 70A Battery Charger Features
Powerful Low-Frequency Design – Rated for 4kW continuous output, peaking at 9kW, allowing it to handle pumps, motors, and high-surge appliances with ease.
PowerAssist & PowerControl – Dynamically balances battery charging and load demands to prevent generator or grid overloads while ensuring uninterrupted power delivery.
Highly Programmable – Works with VictronConnect software for extensive customization — including automated temperature control, fan activation, and energy routing.
Dual AC Outputs – The first AC output runs continuously, while the second activates only when AC input power is available, making it ideal for non-essential or heavy loads.
Smart Battery Charging – Advanced 70A multi-stage charging provides fast, efficient, and safe power replenishment for 48V battery systems.
Exceptional Efficiency – Low idle power consumption (only 15W) for maximum off-grid performance and reduced energy loss.
Reliable Build Quality – Designed for professional and residential-grade installations with long-lasting components and Victron’s proven reliability.
Victron Energy MultiPlus-II 48V 5kVA 120V AC Output, 70A Battery Charger Applications
-
Off-grid Systems – Ideal for homes or cabins operating independently from the grid, providing seamless power and battery management.
-
Hybrid Residential Setups – Works with solar arrays and utility connections to create an efficient, grid-assisted energy solution.
-
RVs and Vans – Perfect for mobile living, delivering reliable AC power for appliances, lighting, and charging needs on the road.
-
Solar Backup Systems – Ensures stable energy storage and inverter performance for solar-powered homes and installations.
-
Marine Applications – Provides dependable power for boats and yachts, managing onboard energy safely and efficiently.
-
Commercial Power Systems – Suitable for small businesses or workshops needing continuous, high-quality power with backup capability.
-
Grid-Tied with Battery Storage – Integrates smoothly with grid power to reduce dependency and ensure energy availability during outages.
What’s Included?
Warranty
Victron Energy MultiPlus-II 48V 5kVA 120V AC Output, 70A Battery Charger Specifications
| Category |
Specifications |
| PowerControl & PowerAssist |
Yes |
| Transfer switch |
95A |
| Maximum AC input current |
95A |
Inverter
| Category |
Specifications |
| DC Input voltage range |
38 – 66 V |
| Output |
Output voltage: 120 VAC ± 2 %, Frequency: 60 Hz ± 0,1 %(1) |
| Cont. output power at 25 °C (2) |
5000 VA |
| Cont. output power at 25 °C |
4000 W |
| Cont. output power at 40 °C |
3700 W |
| Cont. output power at 65 °C |
3000 W |
| Peak power |
9000 W |
| Maximum efficiency |
96 % |
| Zero load power |
15 W |
| Zero load power in AES mode |
10 W |
| Zero load power in Search mode |
3 W |
Charger
| Category |
Specifications |
| AC Input |
Input voltage range: 90-140 VAC
Input frequency: 45 – 65 Hz |
| Charge voltage 'absorption' |
57,6 V |
| Charge voltage 'float' |
55,2 V |
| Storage mode |
52,8 V |
| Max. battery charge current |
70 A |
| Battery temperature sensor |
Yes |
General
| Category |
Specifications |
| Auxiliary output (4) |
48 A |
External AC current sensor
(optional) |
100 A |
| Programmable relay (5) |
Yes |
| Protection (1) |
a – g |
| VE.Bus communication port |
For parallel, split-phase and three-phase operation,
remote monitoring and system integration |
| General purpose com. port (6) |
Yes, 2x |
| Remote on-off |
Yes |
| Operating temperature range |
-40 to +60 °C (-40 – 140 °F) (fan-assisted cooling) |
| Humidity (non-condensing) |
max 95 % |
Enclosure
| Category |
Specifications |
| Material & Colour |
Steel, blue RAL 5012 |
| Protection category |
IP22 |
| Battery-connection |
M8 bolts |
| 120 VAC-connection |
35 mm²
(2 AWG) |
| Weight |
32 kg / 71 lb |
| Dimensions (hxwxd) mm / inch |
676 x 330 x 164
26.6 x 13.0 x 6.5 |
Standards
| Category |
Specifications |
| Listings |
UL1741 |
| Safety |
EN-IEC 60335-1, EN-IEC 60335-2-29, CSA 22.2 107.1-16 |
| Emission, Immunity |
EN 55014-1, EN 55014-2
EN-IEC 61000-3-2, EN-IEC 61000-3-3
IEC 61000-6-1, IEC 61000-6-2, IEC 61000-6-3 |
Frequently-Asked Questions
What makes the MultiPlus-II different from the original MultiPlus?
The MultiPlus-II adds improved grid interaction features, PowerAssist capability, and an upgraded enclosure design for residential and mobile installations.
Can I use it in a grid-tied setup?
Yes, it supports both off-grid and grid-tied systems, and can be integrated into hybrid energy setups with solar charge controllers or battery banks.
Does it work with Victron GX devices?
Absolutely. It pairs seamlessly with Cerbo GX, Color Control GX, and other Victron monitoring systems for remote control and data tracking.
How does PowerAssist help my system?
PowerAssist balances generator, battery, and inverter output — automatically boosting power during peak demand periods.
Can I parallel or stack multiple units?
Yes, the MultiPlus-II supports parallel operation for increased power and three-phase configurations when properly configured.
Manual
