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Adding a second battery
When Lightning Energy installed our Powerwall 2 back in December 2023 it was great. Paired with our 13 kW Enphase/Jinko solar system and 10 kW inverter, it's been handling our fully electrified home in Emerald pretty well — five reverse-cycle ACs, heat pump hot water, EV charging, and grid outages lasting up to nine days. But as we've added more loads, I've been thinking about expanding battery storage. There was a problem, though. The Powerwall 2 is no longer CEC-approved for new installations in Australia. Tesla stopped taking orders for it in late 2024/early 2025, and as of January 2026 it's no longer on the Clean Energy Council approved list. So you can't add a second one. And until very recently, the Powerwall 3 — Tesla's current model — was completely incompatible with the Powerwall 2. They couldn't talk to each other. That meant anyone with a Powerwall 2 who wanted more storage faced a painful choice: rip out the existing battery and start fresh with new hardware. For me, that…
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First Tesla service call: a new wheel
First service call for our Tesla Model Y. Replacing our loaner wheel with a new wheel. As you can see in our posts from a few weeks ago, we hit a pothole, damaging our left rear wheel. At the time, we only knew that we had a slow leak. We logged the problem in the Tesla app. They arranged for roadside assistance to come to us, in about an hour, to install a loaner wheel, and take ours away to diagnose. Today, Tesla replaced the loan wheel with a new wheel, costing a whopping $1319. I asked them to clean the damaged wheel and put it in the back of the car. In the photos, you can see the buckle and crack. I am wondering if it is fixable. When I booked this service in the app, I also asked them to fix the water in the light bar, and some issues with the steering wheel buttons. They replaced both. I’ll discuss the steering wheel buttons in a separate post. All covered under warranty. I had a bit of trouble figuring out where to leave the car. Several after me also mistakenly parked in…
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Oli burger and FSD on the Hume Highway
Lunch stop at Oliver's, just outside Gundagai. I recommend the Oli burger 🍔. Tesla Model 3 with stripes parked near us. FSD along most of the Hume Highway. It does a great job, and avoids human fatigue. A few complaints, though, including it repeatedly thinking that the speed limit is 100, even when it’s actually 110 (pictured). Occasionally it dropped to 80 or 40, presumably after seeing some random sign off the highway. Pretty good driving efficiency with FSD, too, about 14kWh per 100km. See screenshots.
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What to ask for in a battery installation
I suggest getting your installer to agree in writing that your battery installation will include: 1. Remote control via an app and/or website to monitor your battery and house power. 2. During a grid outage, the battery should provide backup for everything you need. 3. During a grid outage, solar continues to provide power. 4. The ability to curtail export of power to the grid when pricing is negative. 5. Compatibility with Amber Electric, if you might want to use them as your energy retailer. Let’s look at each in detail: 1. Using an app or website, you can: 1. Monitor power in and out of your battery, house and grid connection, instantaneous, daily and historical. 2. At any time, set your battery to a minimum charge percentage. 2. In the event of a grid outage: 1. The battery will switch over automatically. The installer should test it and show you. 2. The battery will power all of your home, up to the battery’s maximum power (which should be at least 5kW). 3. If you have three…
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What do the kW and kWh measurements mean?
What do all the electricity measurements mean? 1. Australian household electricity runs at about 240V “volts”. All your power points and devices are 240V. This is basically a measure of the force used to push the electricity. 2. The “current” is basically the throughput of electricity, measured in Amps. It varies for different devices. A modern LED light bulb uses less than 0.1A (Amps). A toaster or heater will use around 8A. The typical maximum allowed by a standard power point is 10A. 3. The total power of the electricity is measured in watts. We multiply the volts by the amps (voltage x current) to get the watts. For example, if your appliance uses 5A at 240V, then that’s 5 x 240 = 1,200 W, which is 1.2kW (kilowatts). A light bulb uses less than 0.1kW. 4. The total energy used by a device is calculated as the power x time. For example, if you use an appliance running at 1.2kW for 10 hours, then it uses 1.2 x 10 = 12kWh (kilowatt hours). A light bulb could run for days on the…
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Savic test rides through the Dandenongs
While driving in our town of Emerald to get some Emerald Thai for dinner, I did a double take when I saw a Savic Motorcycles sign, randomly on the footpath. It turns out that they were running test rides today “winding through the beautiful Dandenong Ranges”. What a great idea! Test drives at dealerships and even EV shows tend to be within urban sprawls, which doesn’t offer much of a driving or riding experience. We’ve seen Savic at a few EV shows, including the recent Everything Electric in Melbourne (pictured). I wish I had known it was on, and that we weren’t recovering from a cold right now. Hopefully next time. Savic is an Australian company building electric motorcycles.
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Home battery introduction
Are you considering a battery for your house? Here is a basic introduction, based on our experience. I hope it’s helpful. Please comment about any errors, omissions or questions. 1. Why is there more talk lately about getting a battery for your house? 1. As of July 1 this year, the federal government will pay for 30% of your home battery purchase. This makes it 30% cheaper to buy one. 2. What’s the purpose of a house battery? 1. A battery provides power to your house, as electricity. 2. It can power anything in your home that runs from electricity, including your fridge, lights, power points, TV. 3. It can keep your house appliances running when there is a grid outage (a “blackout”). 4. If you have solar panels, a battery can store the excess power generated during the day, so you can use it at night to avoid paying for electricity. This is why it is often called a “solar battery”. 5. You can also charge a battery from the grid when electricity is cheap, and use it when electricity is…
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Final day at Everything Electric Melbourne
Starting and ending with Jack Scarlett. Test drives, a panel talk about road tripping, EV conversions, and a flux capacitor, some of the highlights.
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Snapshots from Everything Electric Melbourne
Some random shots from Everything Electric Melbourne today. After a few years in Sydney, this is their first showing in Melbourne. It’s noticeably smaller, but understandable for the first appearance. Interesting panel talks. Informative staff at product booths. Huge variety of test drives available, including self driving Tesla cars. A few food truck offerings. They need more undercover seating (from sun or rain). We recommend the falafel wraps.
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A $25k BYD Atto 1 is closing in on ICE prices
About $25k for a new BYD Atto 1. Wow. EVs are now approaching the price of comparative ICE vehicles. Unfortunately, BYD couldn’t get their Atto 1 prepped in time for the show, but they did have the Atto 2 on the floor (pictured). At Everything Electric Melbourne.
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Camper vans and EV utes at Everything Electric
Checking out the Farizon electric van, decked out as a camper. Also the popular BYD Shark electric ute (plus hybrid range extender), and some towing options. At Everything Electric Melbourne.
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A peek inside the Geely EV
Nice interior of the Geely EV, at Everything Electric Melbourne. So many EV options available now.
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A flipping, rolling cat robot at Everything Electric
Dancing, flipping, rolling cat robot at Everything Electric Melbourne was a crowd pleaser. No litter box!
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Goodbye Gas, helping homes electrify
Nice to see some services (like Goodbye Gas) available to help homes get off has, upgrading to electric. Better for health, monthly bills, and clean air. At Everything Electric, Melbourne.
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Two-wheel EVs at Everything Electric Melbourne
Some of the many scooters, motorbikes and e-bikes at Everything Electric Melbourne.
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Electric police cars at Everything Electric
A Tesla Model X and Kia EV6, I think.
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Behind the wheel of an electric big rig
Big wheels keep on turnin’, electrically! Trying out a big rig at Everything Electric show Melbourne
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Our Powerwall — one of a million deployed
Our home Powerwall battery is one of a million deployed so far. The Tesla app celebrated by listing the stats of our install, and the fleet as a whole. Our battery has saved us (and our neighbours via extension cords) from 13 days of blackouts, without any noisy smelly generator, or trips to refill it with petrol. Our solar system has generated 16MWh of energy so far, used by our house appliances, home battery, our car and exports to the grid. At an average ball park price of say 15c per kWh, that’s $2400 worth of electricity, with no ongoing running cost.
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Finally, the Dandenong Ranges Botanic Garden
After two years in the Dandenong Ranges, we finally visited the Dandenong Ranges Botanic Garden. Amazing to see in Spring. It’s a huge place. I think we covered only 20% of it. Parking seems to be extremely limited and unmarked, in a dirt section across the road, which led to highly questionable parking.
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A new find: Ripe Cafe in Sassafras
In life you need goals. Today’s goal was to find a cafe we hadn’t yet tried 😉, in our home of the Dandenong Ranges. Ripe Cafe in Sassafras was a great find. Guacamole (avo toast) topped with thin sliced potato crisps, and zucchini slice. Lots of cyclists out today, including this giant Saint Bernard. The local park has interesting seating, or perhaps a one turn swing set 😳. I checked in on our parked car from the Tesla app, after some dodgy parking in front of us. We love driving through the fern trees and tall timbers of the Dandenong Ranges. Beautiful all year ‘round.
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Emerald's Lost Woods Market draws a crowd
This is probably the busiest we’ve seen our town of Emerald, Victoria. The Lost Woods Market draws a huge crowd. It’s a beautiful stroll through the tall trees, past numerous stalls and food outlets, with Puffing Billy Railway choo-chooing past every now and then. It’s a magical place. We parked up the other end of town, starting off with brunch at Over the Road Cafe, then walked through the jammed main road to the markets. The generators of many stalls lined the back path, filling the air with slight fumes and noise. It’s a shame they don’t have grid power. We hoped to see some stalls powered by V2L EVs, as we’ve noticed at some other markets, but none here.
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Home in Emerald, autumn in full swing
We arrived back home, in Emerald Victoria. Autumn is still in full swing. 🍂
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A solar-powered coffee stop at Glenrowan BP
Coffee stop, just north of Glenrowan, at the BP service centre. The Tesla/Google navigation only knew the south bound service center here, so the directions tried to send us over the highway 🤪. Thanks to the nearby solar farm that provides the power to the grid that found its way to our car. We overheard someone paying $1100 for fuel, presumably a semi trailer. Wow. 😮 Home baked Anzac slice (thank you Krissy) was the perfect accompaniment for the coffee and thermos of tea. The small birds begged us for crumbs. On towards Wagga.
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A toasty stop at Lake Nillahcootie, heading home
Rest stop at Lake Nillahcootie, near Bonnie Doon. On our way back home from the Off-Grid Living Festival and Corowa, crossing back over the border into Victoria. To our pleasant surprise, coffee and toasties were on offer from the Kalari Kafe van in the car park by the lake. Unfortunately, the generators powering the van filled the area with noise and some fumes. Hopefully V2L EVs will soon become so common place and accessible that more food vans will be able to use them.
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Strolling the Off-Grid Living Festival, Chiltern
Strolling around the Off-Grid Living Festival today, in Chiltern, Victoria. Such a wide range of exhibitors. Excellent food options, but very little shade. Lots of dust, which destroyed the car wash we did a couple of days ago. Very thankful for a smoothie from the Barefoot Blender. Most of the site seems to be powered from solar, or from V2L EVs. Great to see. Less smelly and noisy generators. Even the security motorbikes are electric. Nice!
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Any power point becomes a charging station, in Corowa
Any power point is a charging station. We drove from eastern Melbourne, Victoria, north to just over the border in Corowa, NSW. We can walk down the road and see Victoria on the other side of the Murray River. We were in Queensland earlier this week 🤪. We’re staying at an Airbnb house for a couple of days, while we attend the Off-Grid Living Festival in Chiltern, tomorrow.
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Talking road trips at the Off-Grid Festival
Road tripping through Europe gave us a glimpse into the future of EVs and road trips in Australia. Border Regional Electrification Events invited us to talk about it in the Electrification Tent at the Off-Grid Living Festival, in Chiltern, Victoria (30 minutes from the NSW border). The audience asked some excellent questions. Thanks to all those who attended. Some of the slides from our talk, included here.
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XPeng G6 — second test drive
We took another test drive of an XPENG G6, this time from a new dealership in Berwick, Victoria, which is closer to us. Nice interior, comfy seats, great tech. The handling wasn’t bad on some windy roads, but not as sporty as the Tesla Model Y. Disappointing storage. The auto driving hesitated quite a bit around bends. The lack of full stop on one pedal driving is annoying, but they will reportedly solve that in a few weeks via an OTA (over the air) software update. The G6 includes auto parking and lane change, which costs extra in a Tesla. It has vehicle to load, but it requires some adapter plug into the external charge port, which wasn’t available. We had a chance to play with Apple CarPlay, which is great to have. But the XPeng doesn't seem to support pinch and zoom in Apple Maps, which makes it very limited. Acceleration was terrible (doesn’t move for a second), until I turned in “launch mode”. I couldn’t figure out how to enable launch mode and regenerative braking (x-pedal) at…
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Electric utes and trucks at Everything Electric Sydney
We spotted a few utes and trucks at the Everything Electric Show (Fully Charged Show), in Sydney. Some conversions, some plug in hybrid (PHEV), and one large battery swap unit for a semi, in just 3 minutes. We sat in the huge frunk of the F150 Lightning, made possible because no engine is needed. Some electric utes have been popular for mining operations, so as not to poison the air in the shafts, and to avoid the need to truck in fuel to remote sites. On the way out, we spotted a BYD Shark (PHEV) parked at a fast charger on the street. Frustratingly, they hadn’t plugged in. There were a couple of parking cops who were hopefully about to post an infringement notice. Chargers are for charging, not just parking 🤦♂️.
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Electric vans at Everything Electric Sydney
Checking out electric vans at Everything Electric (from Fully Charged Show), in Sydney.
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The Cybertruck, big and ridiculous, in Sydney
At The Everything Electric Show in Sydney (by the Fully Charged Show), checking out the Tesla Cybertruck. Impressive, but ridiculously big, like most oversized utes.
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Wrapping up Everything Electric Sydney, past a V8
The Everything Electric Show (Fully Charged Show) wrapped up in Sydney for another year, but will be back, for the first time, in Melbourne in November. In the car park, we walked past four guys standing around the open bonnet of a V8 ute, saying “we should have gone electric”. Very fitting end. Amber showed off her Tesla Tripping tote bag, as we said goodbye. 3000km done and 1000km to go. Car fully packed again, with the addition of four old computers we had left behind when we moved from the Central Coast, two years ago. One of the sharp iMacs showed its abandonment issues by cutting my bare foot. Next stop, for dinner, in Campbelltown. We shared a roast and dessert. Then on to Mittagong for tonight’s accommodation, booked at the last minute, as usual.
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Some classic conversions to electric, in Sydney
A few of the electric converted vehicles at The Everything Electric (Fully Charged Show) in Sydney.
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Electric motorbikes, including Savic, at Sydney
Just a few of the electric motorbikes at The Everything Electric Show (Fully Charged Show) in Sydney. Including locally built Savic Motorcycles.
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V2L in action: DJs, coffee machines and TVs
Portable power. A few V2L (vehicle to load) examples at The Everything Electric Show (Fully Charged Show). Including an EV DJ, coffee machine, large TV, and power tools. Most EVs now include V2L, so you can plug just about any household appliance into your car, and power it without running an engine, so no heat, exhaust and noise. Tesla, however, does not currently offer this feature, except on the Cybertruck. Very disappointing.
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The Deepal E07: hatch meets ute tray
Great to see some innovative new EV designs at Everything Electric (Fully Charged Show) in Sydney. This Deepal E07 has a hatch that’s kind of like a small ute tray. Full cabin plus a tray/boot. Opens electronically. You can even extend the tray length by folding down the rear seats (unlike the Cybertruck). Australian pricing and release expected at the next exhibition, I think in April.
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First look at the new Model Y 'Juniper'
Checking out the new 2025 Tesla Model Y “Juniper”. Easier for passengers to get in and out, compared to our lower Model 3. Love the ventilated seats. So much room in this thing, more than any other competitor vehicle, it seems. And the most efficient. I’ve added photos of Phil lying down in the back of another Tesla Model Y (not Juniper), on a Tesla mattress, to show how much space there is with the seats down Still no vehicle to load (V2L) or Apple Car Play, like most competitors have. At Everything Electric (Fully Charged Show), in Sydney.
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XPeng G6 — first look at the Everything Electric Show
The Xpeng G6 is a strong competition against the Tesla Model Y. We viewed both at The Everything Electric Show (Fully Charged Show) in Sydney. A few weeks earlier, we took a G6 for a test drive at the XPENG Port Melbourne showroom (also pictured). The Xpeng G6 and Tesla Model Y both have great tech, great efficiency, ventilated and heated front seats. The G6 doesn’t have frunk storage, has small subtrunk storage, smaller boot, no glovebox, but has a bit more rear passenger room and probably more comfy seats. It has Apple Maps and Vehicle to Load (V2L). It is $10k cheaper, but requires paid regular servicing and and has longer warranty. It includes auto lane change (extra purchase on the Tesla). The Tesla has faster acceleration, sportier handling, one pedal driving comes to a full stop without the brake, and has more fast charging options. It has a screen for rear passengers and powered rear seat folding. It has much more storage overall, including huge sub trunk, boot and frunk. It…
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Central Coast farewells, off to Everything Electric
Great memories, spending some time with family on the NSW Central Coast. Tomorrow: Off to Everything Electric (by Fully Charged Show), in Sydney.
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Thai and pizza at Erina Fair, again
A couple of visits to Erina Fair, while we’ve been staying nearby, this week. Pineapple fried rice at Thai Thyme. Teriyaki pizza at GPK. Tomorrow we’re off to the Fully Charged Everything Electric Show in Sydney.
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Tetris-ing four people, a fridge and luggage into a Model 3
We know our Tesla Model 3 can fit a 50L camp fridge. And we know it will take a large travel suitcase, or four people and some luggage. But we didn’t know if it would take all that at the same time. It took a fair bit of Tetris-ing, and the boot strained at the seams, but we managed to get everything in. I think we might need a bigger car. First stop at Eumundi Markets. We parked in the shade and later opened the boot so the fridge had some outlet for the hot air. Second stop along the highway at Burpengary for some fast food lunch. Then we delivered Erin and Isaiah to their accommodation in Brisbane before their flight back to Airlie Beach tomorrow.
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Crepes for breakfast at Botero Cafe, Maclean
Crepes filled with chocolate mousse, banana and cherry sauce is a perfectly legitimate breakfast, according to Botero Cafe, in Maclean. Onward north towards Coollum Beach in Queensland.
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Cooling off at Seaford Pier
Cooling off at the beach under Seaford Pier. Dinner: Chicken and mango salad, brought from home.
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A quick stretch in Rotterdam
Second stop on our trip south, at Rotterdam. Just long enough to stretch our legs with a short walk around town, and grab a coffee.
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Borrowing Nico's Jaguar i-Pace
On our way from Krommenie to Maastricht. We picked up Nico’s Jaguar i-Pace. Very swish. 0 to 100km/h in about 3.5s. Luxury interior trim. Neat console. It has fast DC charging but only does 3.6kW AC charging (compared to our Tesla’s 11kW). It’s about twice the cost of our base Tesla Model 3 at home. Jaguar had it for a few days to replace the battery. This is the first real example I’ve seen of someone actually needing to replace their EV battery, despite all the hype about it from naysayers. Fortunately, it was all covered under warranty. Our first stop was in Breukelen at a service center. Well, we actually stopped at two of these, because of mixed up convoy instructions. Next to the Shell petrol station here is a FastNed charging bay, with solar panels on the roof. Most service centres seem to have these, which is terrific. It kills me to stop for fuel like this. Stopping specifically for fuel (charging) is something I try to avoid. I prefer to just charge when I’m parked for some…
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36 wild hours on battery in the Dandenongs
It’s been wild 36 hours here in the Dandenong Ranges. Yesterday afternoon, the power went out in our town of Emerald. We heard it was due to a fire somewhere. We sent out a few texts to our neighbours to offer our battery backup power. We ran our heavy duty extension lead over the fence and set up a power board on the front porch for phone charging. A few hours later, the grid was back up and running. But, the pending storm warnings made us cautious. Sure enough, an hour or so later, the storm hit. Heavy rain, pounding hail and strong wind. Marvin the robot mower happily sits charging out in the rain. But I didn’t fancy the chances of his camera eyes surviving the hail stones. I used the iPhone app remote control to drive it under our pergola, while the ice golf balls bounced on the lawn. Sure enough, the grid connection died again during the night, probably due to storm damage to power lines and other infrastructure. In the morning our neighbour reconnected to our power supply. We…
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We bought a Mammotion robot mower
We bought a new EV! It’s all wheel drive, includes full self driving, with proximity sensors and just a front facing stereo camera. But it takes about four hours to fully charge and the acceleration is pretty slow 😉. It’s a Mammotion Tech Luba 2 robot lawn mower. We could have bought it online direct from Mammotion, but opted to buy it through a local service centre, Robotech Australia, just in case we need support or maintenance. Our lawn is about 1500 square metres. We bought the Luba 2 AWD 3000 model, which is rated to mow 3000 square meters, allows up to ten mowing areas, and handles extra step inclines. The base model does 1000 square metres, and allows less separate mowing areas. There are also 5000 and 10000 models. I followed the fairly simple hardware instructions to screw in the camera (which looks like Wall-E), screw the charging station into the ground, and assemble the transmitter (RTK) onto a pole. We have named the robot “Marvin” (the mower). To misquote Hitchhiker’s…
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Lauritos pizza, transported in the frunk
Friday night, pizza and movie at home. Pick up from Lauritos Pizza, in Emerald, in the Tesla, transporting it in the “frunk” (front trunk) to keep the takeaway smell out of the cabin.
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A hello to Ned Kelly in Glenrowan
Stopped for lunch in Glenrowan and said hello to Ned Kelly. Great town for a visit on the way through. Followed by a brief stop in Yea before arriving home in Emerald.
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Past The Big Shovel, ending at Yack's Bottom Pub
We stopped by “The Big Shovel” as we left the Off-Grid Living Festival in Chiltern. Francis tried to make a friend out of a skittish young bull. We finished up back in Yack, this time at the ”Bottom Pub”, complete with appropriate (or inappropriate) photo.
Formerly: Tesla Tripping
Come along on our EV road trips around Australia and Europe, and follow as we progressively electrify our home in Emerald, Victoria.
Join us on the road. We set off in late 2022 and drove eastern Australia in our Tesla Model 3 — Sydney, Dubbo, Armidale, Brisbane, Cape Tribulation, then down through Queensland and back. We've since upgraded to a Model Y.
We've kept exploring — Uluru, the Snowy Mountains and Gippsland, and a longer run through Europe in 2024. There's plenty more on the map, so come along for the next leg.
At home in Emerald, in Victoria's Dandenong Ranges, we're progressively electrifying everything: rooftop solar, a home battery, a hot water heat pump, air conditioned heating and cooling, and EV charging straight from the sun. We're going fully electric, off the gas.
Got questions, or insights of your own? We'd love to hear them — please drop a comment on any post.