Compact Systems · Small Appliances · Inverter + Charger
Victron Multiplus 800Va Kit
✓ 650W Continuous✓ 20A Charger✓ Pure Sine Wave✓ Auto Changeover✓ Pre-Programmed In House
Victron Multiplus 800Va Kit with DC leads, isolator and mains wiring kit — 650W of pure sine wave power plus 20A shore charging
Gives your campervan serious 240V power and shore-power charging in one unit. The MultiPlus 800Va delivers 650W of continuous pure sine wave — it runs a small TV, laptop chargers, lights and a small air fryer on low. When you plug into hook-up, it switches roles and charges your battery at 20A.
The changeover is seamless. Shore power present: it charges your battery and passes mains through to your sockets. Shore power gone: it inverts from your battery to the same sockets. Automatic, instant, and silent — you never think about which source you're on.
The kit includes the DC battery leads and isolator, plus the mains wiring kit with the IP67 inlet and pre-wired consumer unit. Matched, specified, and ready to install — the complete 240V system for compact systems · small appliances.
- Victron MultiPlus 800Va inverter-charger — 650W continuous
- Built-in 20A multi-stage battery charger
- Pure sine wave output — safe for all electronics
- Automatic changeover between shore and inverter power
- DC leads, isolator switch and mains wiring kit included
- Pre-programmed in house — arrives set up for your campervan system
🔌 What Can It Run?
The MultiPlus 800VA delivers 650W of continuous pure sine 240V power and provides 20A battery charging on hook-up. Here is what it can realistically run off-grid:
Phone / Laptop Charging
10-90W
Several devices together
✓
LED Lighting
10-50W
Mains LED strips or bulbs
✓
TV (LED / LCD)
50-150W
Typical campervan television
✓
Small Fan
30-50W
Camping or desk fan
✓
Electric Blanket
50-100W
Single size
✓
Low-Wattage Kettle
500-650W
Only if its label is 650W or below
✓
Microwave
600-1000W
Most exceed the continuous limit
✗
Hair Dryer
1200-2000W
Above the 650W continuous limit
✗
Combined Load Examples
Phone + laptop + TV + LED lighting: around 250W total — comfortable
Electric blanket + television + phone charging: around 220W total — comfortable
Wattages are typical values — check each appliance label. Keep the combined continuous load within 650W. A kettle or other heating appliance must be specifically rated at 650W or below.
📦 What's Included
1
Victron MultiPlus 800Va Inverter-Charger
- 650W continuous pure sine wave inverter with built-in 20A multi-stage charger and automatic transfer switch.
2
DC Battery Leads & Isolator
- Professionally crimped battery cables with isolator switch — sized for the inverter's current draw.
3
Mains Wiring Kit
- IP67 inlet, pre-wired consumer unit with RCBO protection, connections specified for the MultiPlus.
⚡ Key Features
01Inverter and Charger, One Box
Inverts up to 650W off-grid; charges at 20A on hook-up. One unit doing both jobs saves space, wiring, and cost versus separate devices.
02Seamless Changeover
Plug in at a campsite and it charges; unplug and it inverts. The transfer is automatic and in milliseconds — no switches to flip, no interruption to what's running.
03Pure Sine Wave, Safe for Everything
Clean output that's safe for laptops, medical devices, and anything with a plug. No modified-sine damage risk.
04Built-In Neutral Grounding Relay
The shore-to-inverter changeover happens through the Multiplus's internal neutral-grounding relay — a requirement under current regulations for inverter transfer switches. No external relay to buy or wire: changeover is safe and automatic.
🔧 Tech Specs
- Inverter Output : 800VA (650W continuous), pure sine wave
- Charger Output : 20A multi-stage
- Changeover : Automatic transfer switch with built-in neutral-grounding relay (regulation-compliant)
- Battery Compatibility : AGM, gel, lead-acid, lithium
- DC Cables : Professionally crimped, isolator included
- Mains Kit : Inlet, RCBO consumer unit
- Warranty : 5 years (Victron)
🔌 You Might Also Need
Leisure Battery
Match the battery bank to the inverter's appetite
Split Charge Kit
Charging whilst driving to feed the inverter
Solar Panel Kit
Off-grid charging to top up between drives
❓ FAQ
What can 800VA run?
It runs a small TV, laptop chargers, lights and a small air fryer on low. Total draw must stay under 650W continuous — check appliance labels. Anything with a heating element is the big draw; LEDs and electronics barely register.
How much battery do I need?
Inverting at full power draws roughly 54A from a 12V battery. Lithium banks handle this; small AGM banks sag. Match the inverter to your bank: bigger inverters want bigger batteries.
Is this different from the Inverter Smart kits?
Yes — the MultiPlus range are inverter-chargers (they charge your battery from shore power). The Inverter Smart is inverter-only. Choose MultiPlus if you use campsites; Inverter Smart if you charge purely by solar and split charge.
Can I add solar to this?
Yes — an MPPT controller and panel run alongside the MultiPlus. Look at the Solar + Power Board kits, or the Full Off-Grid complete system if you want the whole package in one go.
