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The Victron Energy Quattro 48/5000/70 is a 5000VA 48V pure sine wave inverter with 70A battery charger and dual AC inputs for shore power and generator, on sale for $100.00 (reg. $1,757.50) with coupon OUTPOST12 for extra savings when you buy online at PowerHaven Outpost.
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Categories : Inverters
SKU : POW-INV-119
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The Victron Energy Quattro 48/5000/70 is a 5000VA 48V pure sine wave inverter and 70A battery charger built for off-grid homes, marine installations, and backup power systems that switch between shore power and generator. Buy it online at PowerHaven Outpost for just $100.00, down from $1,757.50 — a 94% discount — plus coupon OUTPOST12 for an extra 12% off.
The key difference: the Quattro has two AC inputs (shore power and generator) with automatic transfer switching, while the MultiPlus has one. If you connect both shore power and a generator, the Quattro 48/5000/70 is the right choice — it handles generator transfer switch duties automatically, no manual transfer switch needed.
Wire AC input 1 to shore/grid and AC input 2 to your generator. The Quattro automatically selects the active source and transfers loads — set priorities in VEConfigure or via a GX device.
$100.00 vs. $1,757.50 compare-at — a 94% discount on a premium dual-input inverter charger. Stack coupon OUTPOST12 for 12% more savings; free shipping on orders over $45.
5000VA 48V pure sine wave inverter with 70A charger and dual AC inputs for shore power + generator at $100.00
Power Assist prevents generator overload; up to 6 units parallel for three-phase or split-phase power
94% off the $1,757.50 compare-at price plus an extra 12% coupon (OUTPOST12) and free shipping over $45
Model: Quattro 48/5000/70
Category: Inverters
AC Inputs: 2 (shore power + generator)
Expansion: Up to 6 units parallel, three-phase/split-phase capable
Product Type: Pure Sine Wave Inverter / Battery Charger
Battery Voltage: 48V DC
Charger Current: 70A
Continuous Power: 5000VA
Remote Monitoring: Via Victron GX device (sold separately)
Seller: PowerHaven Outpost
MPN: Quattro 48/5000/70
When comparing inverter chargers, the Quattro stands apart with dual AC inputs, Power Assist, and parallel expansion to 6 units. At 94% off plus 12% more with coupon OUTPOST12, it's the most affordable premium 48V inverter deal anywhere.
Off-grid homeowners, liveaboards, and backup-power users running 48V battery banks who switch between shore power and a generator.
Combine with a SmartSolar MPPT controller, SmartShunt battery monitor, and Cerbo GX for a fully monitored, remotely controllable power system.
$100.00 sale, $1,757.50 compare-at, extra 12% with coupon OUTPOST12, free shipping over $45.
At PowerHaven Outpost for $100.00 with online checkout and free shipping on orders over $45.
$100.00, down from $1,757.50 — a 94% discount. Coupon OUTPOST12 takes another 12% off at checkout.
The Quattro has two AC inputs (shore power and generator) with automatic transfer switching; the MultiPlus has only one AC input. Choose the Quattro when you use both shore/grid and generator power.
Yes — AC input 1 and AC input 2, typically wired to shore power and a generator, with automatic source selection and transfer.
Wire the generator to AC input 2 and configure input current limits and priority via VEConfigure or a Victron GX device — the Quattro handles the transfer automatically, no external transfer switch required.
This Quattro runs our entire off-grid cabin — well pump, fridge, microwave, even the shop tools — on a 48V lithium bank. The dual AC input switching between generator and shore power is seamless and the transfer speed is fast enough that nothing blinks. Clean pure sine output, my sensitive electronics love it. Six months in and it's been utterly reliable.
Powerful, clean output, bulletproof. Victron never disappoints.
The Quattro itself is superb — quiet, efficient, and the 70A charger refills my bank fast on generator runs. Word of warning: it's heavy and it needs serious cabling and fusing, so factor that into your budget and time. Once installed it just quietly does its job. Very satisfied.
Performance is solid once configured, but between VEConfigure settings, AC input current limits, and assistant programming, setup took me two weekends and several forum deep-dives. Now that it's dialed in I have no complaints about the hardware itself, but beginners should expect a project.
We live full-time on a boat and this inverter changed our lives. Shore power at the dock, generator input at anchor, and it manages the switching automatically without me touching a thing. The charger pushes 70A so our lithium bank is full in a couple hours of genset time instead of six. My husband did the install and even he says the documentation was decent. Best marine investment we've made.
Unit powers my workshop fine, but the cooling fan runs constantly even at light loads, which is annoying in a small space. Support suggested it was normal behavior for this model. Performance is okay but the noise is a dealbreaker for my install location.
Third Victron inverter I've owned and the Quattro is their best yet. The dual AC inputs are the killer feature — my solar inverter and generator coexist without any manual transfer switching. Grid-interactive config with the ESS assistant has shaved a noticeable chunk off my power bill. If you're serious about your power system, don't cheap out here.
