Briggs & Stratton P4500 PowerSmart Series Inverter Generator | 4.5kVA
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The Owner's Insights on the Briggs & Stratton P4500 PowerSmart Inverter Generator
This is the size most people actually need, and probably you: 3,700W running, 4,500W on peak, enough for your caravan with the air conditioner going, a camp, or your house through a blackout. And at 47kg with a telescoping handle and wheels, you move it on your own.
The 13.2 litre tank is the part that will surprise you. Sixteen hours at quarter load is an overnight blackout covered, or a full weekend of camp lighting and your fridge without touching the fuel.
Two features here that a lot of inverter generators skip: CO Guard shuts the engine down if carbon monoxide builds up around it, and there's a wireless remote so you can start it without getting out of the van.
Why You'll Love the Briggs & Stratton P4500 PowerSmart Inverter Generator
- 3,700W running, 4,500W peak. A caravan with the air-con on, or a house on backup.
- Permanent magnet inverter. Clean output for your laptops and control gear.
- CO Guard. It shuts itself down before the air gets dangerous.
- 13.2 litre tank, 16 hours at 25%. An overnight blackout, or a weekend at camp.
- Wireless remote, electric and recoil. Three ways in, including from inside.
- 2 x 15A outlets, 12V DC and USB. Everything plugged in at once.
- Telescoping handle and wheels. One person moves 47 kilos, no lifting.
- 3-year warranty. Long for an inverter generator at this size.
Why You Should Consider a Briggs & Stratton Inverter Generator
Briggs & Stratton have been building small engines for over a century, and the PowerSmart series is their inverter generator range. The P4500 is the mid-size one and it carries a 3-year warranty. See the rest of the generator range.
Briggs & Stratton P4500 PowerSmart Inverter Generator Specifications
| Running watts | 3,700W |
| Peak / starting watts | 4,500W (4.5kVA) |
| Engine | Briggs & Stratton OHV 224cc |
| Alternator | Permanent magnet inverter |
| Starting | Electric, recoil and wireless remote |
| Fuel tank capacity | 13.2L |
| Runtime at 25% load | 16 hours |
| AC outlets | 2 x 230V 15A |
| DC outlet | 1 x 12V 5A |
| USB ports | 2 |
| CO Guard | Yes |
| Low oil shutdown | Yes |
| Fuel gauge | Yes |
| Transport | Telescoping handle and wheels |
| Dimensions | 622 x 447 x 516mm |
| Weight | 47.0kg |
| Warranty | 3 years |
CO Guard is the feature worth understanding
Carbon monoxide from a generator kills people every year, usually because someone ran theirs in a garage, under an awning or too close to an open window. CO Guard watches the air around it and shuts your engine down before the level gets dangerous. It isn't a licence to run it indoors, and you should still keep it well clear of doors, windows and enclosed spaces. What it catches is the situation you didn't think was risky. Not every generator has it, and on a machine built for your caravan or your camp it matters more than most.
What does 3,700W run, and where does it stop?
Three thousand seven hundred watts continuous covers your caravan air conditioner alongside a fridge, lights and charging, or your house on backup with the fridge, lights, the modem and a microwave. Where it stops is your welder, an induction cooktop and a kettle together, or a big compressor. Add up what runs at once, use the running figure for each item rather than the startup figure, and keep the total under 3,700. If your list is bigger, the P7500 takes you to 6,800W.
Sixteen hours at quarter load, and what that means working
The published figure is 16 hours at 25% load off the 13.2 litre tank, and that's a genuinely useful number: it covers an overnight outage for you, or a couple of days of camp lighting and a fridge. Working it hard is different, because fuel use tracks the load. Run it near 3,700W and expect to refuel well inside the day. There's a fuel gauge on the panel, which sounds minor until you've had a generator without one.
Three start methods, and the one you'll actually use
The wireless remote is the one that earns its keep: you start it from inside the van or the back door rather than standing over it in the rain. Electric start is the button on the panel. Recoil is the pull cord, there for the day the battery's flat. Most generators at this price give you one or two. Three means the one you need is always there.
Moving 47 kilos on your own
Forty-seven kilos with a telescoping handle and wheels is a one-person job on flat ground: you tip it back and wheel it like your suitcase. Lifting it into a ute is a different matter and worth a second pair of hands or a ramp. Compared with the P7500 at 92kg, the difference in how often you'll actually bother getting it out is the real story.
What's Included
- Briggs & Stratton P4500 PowerSmart inverter generator
- Wireless remote, electric and recoil start
- 2 x 15A AC outlets, 12V DC outlet and 2 USB ports
- CO Guard, low oil shutdown and a fuel gauge
- Telescoping handle and wheels
- 3-year warranty
What's Not Included
- Petrol
- Extension leads
- A cover, if it is going to live outside
- Engine oil for servicing
It arrives ready to run once you add fuel and check the oil. The wheels and telescoping handle are built in, so nothing extra is needed to move it around a camp or a site.
Not Sure Which Inverter Generator Suits You?
The P4500 suits you if you want clean quiet power for a caravan, a camp or a blackout, in a machine one person can move, with a proper safety shutdown and a long warranty. It's the wrong pick if you're powering a working site or heavy tools, where the P7500 gives you 6,800W, or if your loads are light and occasional, where the P3500 costs less and weighs less. It carries a 3-year warranty. Try the Generator Finder, or call the store on 03 7056 6732.