$20.00
We will hold your cart for 15:00.
The Victron Energy MultiPlus 12/3000 inverter charger delivers 3000VA of pure sine wave power with 20ms seamless transfer and PowerAssist overload prevention, now only $100.00 (reg. $1,165.50) — buy online and save over 91% with coupon OUTPOST12.
Size
Categories : Inverters
SKU : POW-INV-033
Share This:
The Victron Energy MultiPlus 3000VA 12-Volt pure sine wave inverter charger is the flagship power center for marine, RV, and off-grid systems, best for buyers who need uninterrupted 120V AC power plus smart battery charging with PowerAssist. Purchase online now at the current price of $100.00, down from a $1,165.50 compare-at price — a massive discount — and apply coupon OUTPOST12 for an extra 12% off.
A 3000VA inverter at 12V can draw roughly 250–300 amps DC at full load. Victron recommends a battery bank of at least 400–600Ah at 12V (typically 200Ah+ lithium) to sustain full output and the 120A charge current without excessive voltage sag.
Incorrect installation can be hazardous — consult a licensed professional and follow all applicable electrical codes.
At $100.00 vs $1,165.50, this is a $1,065.50 saving — an exceptional online deal. Extra 12% off with coupon OUTPOST12; free shipping over $45.00.
3000VA pure sine wave inverter with 120A charger and 20ms seamless transfer — at $100.00 instead of $1,165.50
PowerAssist prevents generator and shore power overload, ideal for 30A outlets and marine/RV systems
Extra 12% coupon savings with OUTPOST12 stacked on a 91% online discount; free shipping over $45
Series: MultiPlus
Capacity: 3000 VA
AC Output: 120 V
DC Voltage: 12 V
Product Type: Pure sine wave inverter charger
Expandability: Up to 6 units parallel; 3-phase capable
Transfer Time: < 20 ms
Charger Current: 120 A
Seller: PowerHaven Outpost
The Victron Energy MultiPlus 3000VA 12V inverter charger combines pure sine wave output, a 120A battery charger, and PowerAssist technology for marine, RV, and off-grid independence. At $100.00 versus $1,165.50, this is one of the deepest discounts available on a Victron inverter charger.
Consider the MultiPlus-II for grid-tie features, or Quattro for dual AC inputs — but for single shore/generator sources, the MultiPlus 12/3000 is the affordable workhorse.
Order online at $100.00, stack coupon OUTPOST12 for 12% more off, and qualify for free shipping over $45.00. Professional installation recommended.
Plan for roughly 400–600Ah at 12V lead-acid or 200Ah+ lithium to support full-load DC draw of about 250–300A and the 120A charger.
Yes — set the AC input current limit to 30A and PowerAssist supplements with battery power so heavy loads run without tripping the breaker.
The current online price is $100.00 versus a $1,165.50 compare-at price — a savings of over 91% — plus an extra 12% off with coupon OUTPOST12.
Buy it now at PowerHaven Outpost with fast checkout, free shipping on orders over $45.00, and active promotions.
Yes — the inverter takes over within 20ms when shore or generator power is lost, so connected loads keep running.
My wife can't even tell when shore power cuts out — the 20ms transfer is truly seamless. Computers, CPAP, everything keeps running. PowerAssist handled a surprise load spike from the microwave while running the AC without tripping anything. This unit is the heart of our cabin system.
I've had Xantrex and Magnum units before and the MultiPlus outclasses them. Pure sine output is genuinely clean (verified with an oscilloscope), the charging profiles for lithium are spot on, and VictronConnect makes tuning the whole thing painless from my phone.
3000VA on 12V means serious current — you need thick cable and good fusing, which I knew going in. Performance has been excellent for 8 months of full-time RV living. Only wish the AC terminal block was easier to access during install.
Bought this to run my off-grid homestead and I've barely used the generator since. It powers my well pump, fridge, and power tools without complaint. When loads spike, PowerAssist blends shore/generator power with inverter output to cover the peak. Brilliant design.
The hardware is undeniably good, but getting the grid code and charge settings configured took me way longer than expected, and I'm an electrician. A quick-start setup card for common lithium batteries would fix this. Once dialed in, it performs beautifully.
My audio equipment finally runs silent — no more ground loop hum like with my old MSW inverter. Charging at full 120A rate brings my bank back fast. This thing is built like a tank too.
Transfer is instant, charging is quiet, no issues after a year.
Power delivery is excellent and the pure sine output runs everything including my laser printer. Under heavy sustained load the fan is noticeable in a small camper. Not a dealbreaker, just something to know about placement.
Runs both roof ACs briefly with PowerAssist plus shore power at campgrounds with weak 30A service. This is the reason I can stay at cheap campgrounds nobody else can handle. Pair with a Cerbo for full remote monitoring.
Unit shipped with an internal relay fault and I had to go through a replacement. Vendor handled it, and the replacement works, but the first impression stung. Rating the experience, not the product — the good one works great.
Combined with my SmartSolar controllers and lithium bank, this MultiPlus gives me true whole-home power. The VE.Bus ecosystem means I can parallel a second unit later. That 20ms transfer keeps my servers up — I timed it.
Mounted in my sailboat's lazarette and it's survived salt air and humidity without complaint. Charging is fast and quiet. The bulk of the unit and weight made installation a two-person job, but that's physics, not a flaw.
