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Tool Battery powered Travel Buddy 12V Oven!

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Running your Travel Buddy 12v Oven away from you car is no longer a wish, run you 12v oven from 18V tool batteries using a step up/down convertor!
15v step-up available here: amzn.to/3HO3p1s (affiliate link)
Patreon:
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NB. It looks like I shouldn't be entrusted with a calculator after midnight! While the Data used was correct, the percentages suffered from my fat fingers... (And RU-vid doesn't allow editing after a video is published)
Here's the correct percentages! (Correct to the nearest whole percent)
Travel Buddy Pre-Heat vs Tool Batteries 19% improvement in Time
Travel Buddy 4 x Pies Driving vs Tool Batteries 36% improvement in Time
Travel Buddy Pre-heat Driving vs Tool Batteries Battery Usage 7% improvement in Battery Usage
Pre-Heat and 4 Pies Driving vs Tool Batteries Total Watt Hours Battery Usage 17% improvement in Battery Usage.
Thanks to the community and specifically @Last Known Location and @SMW for keeping me honest!
#LockYourHubs4WDing #TravelBuddy #Makita18V

Опубликовано:

27 авг 2021

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Комментарии : 64

@LockyourHubs4WDing 3 года назад

What your favorite mod for your 12V oven?

@y0uCantHandle 3 года назад

Stainless steel trays for cooking curries etc

@LockyourHubs4WDing 3 года назад

The Kaon or Somerville Metal Works ones are great!

@y0uCantHandle 3 года назад

@@LockyourHubs4WDing Somerville for me 😎👍

@nuthn2do 9 месяцев назад

All well and good if you're a tradie and have the gear on hand, otherwise $200 worth of batteries makes the oven real expensive. Also if you only have one charger it's going to be a real pain to get ready for the next meal

@LockyourHubs4WDing 9 месяцев назад

I agree, it's not for everybody. I run about 10 Makita batteries for various tools etc, so no worries there. Though I appreciate that not everyone has so many batteries.

@NasTimeAdventures 3 года назад

Interesting idea. Definitely makes the oven more portable.

@LockyourHubs4WDing 3 года назад

And awesome! :)

@itroy3039 3 года назад

I'd like the see a separate video for how you did the battery set up 🤙

@LockyourHubs4WDing 3 года назад

It's pretty basic, just all joined in parallel (all the positives joined together and all the negatives as well)

@curtturtle 3 года назад

10 seconds in and I am like "this host is awesome. Subscribed".

@LockyourHubs4WDing 3 года назад

Thanks!

@frankandkatenorden9834 3 года назад

Great video. I would like to share my setup with you. I use the 25v battery from my little E-Bike, through a voltage reducer to 13.8v and then into the TravelBuddy. (Still use cord though!!) This setup can provide full temp for up to 4 hours, but main benefit is it makes TB fully portable both during warmup and in cooking stages. Just a couple Andersons and a plug, (and the voltage regulator that I had anyway) so less than $20 to get working. When I get home I just charge the ebike battery from 240v. Easy.

@LockyourHubs4WDing 3 года назад

Fantastic! That's what I'm talking about, I've already got a heap of tool batteries so that's what I use. You've already got the ebike battery so that's what works for you. It's all about using what you're already got to hand and making the best use of that equipment.

@SN-jh3bb 2 года назад

was wondering if the pies where home deep freezer frozen or camp freezer frozen or in between when placed in the oven/s. Cheers

@LockyourHubs4WDing 2 года назад

Home frozen

@davechapman9133 7 дней назад

where did you get the 18v to 15v step down converter ? , looked everywhere , cant find anything even close to it

@gavinwilliamson3944 3 года назад

I upgraded to lithium last year with DC2DC charger. Noticed a huge improvement over the old Optima Spiral. I had be using for years. With 14,4V over 13,9V the Buddy was much quicker to heat. With 15V no surprises. Would not go beyond 15V as Element will surely FAIL. Sill was able to cook 1kg of Potato Wedges in 2.5 hours LOL.

@LockyourHubs4WDing 3 года назад

The lithiums are much better than lead acid no doubt, and starting to become affordable as well.

@4west7 3 года назад

Step 1- look for a Lock Your Hubs new video notification. Step 2- hit the like button Step 3- watch the video. Step 4- try and think of a "game changing" comment. Step 5- watch it again! As usual Simon, another great video mate. Really appreciate it 👍

@LockyourHubs4WDing 3 года назад

A few mates have "game changing" 79s. Yes, I give them heaps..... :)

@Ren-qp5dt 3 года назад

Awesome video , thanks simon

@LockyourHubs4WDing 3 года назад

No worries mate, glad you enjoyed it.

@Ren-qp5dt 3 года назад

If I wanted to do this but with AEG batteries did you do an info sheet with the components you used Simon ?

@LockyourHubs4WDing 3 года назад

It's a pretty basic build, the adaptors are from ebay and use a 15 volt step up that'll take a 18v input. I would probably use power diodes on the battery outputs to stop the batteries from trying to discharge each other if one was more charged than another, and drop a fuse on the output from each battery as well.

@aaronwalker1507 2 года назад

The big question is how long can you cook for on the tool batteries

@LockyourHubs4WDing 2 года назад

I did the preheat and additional pie cooking on the one set of 6ah batteries, though they went straight onto the charger after that!

@aaronwalker1507 2 года назад

@@LockyourHubs4WDing do you think 1 18 volt battery would be able to cook the pies

@adamnorton9701 2 года назад

You should do the same with an Engle fridge

@LockyourHubs4WDing 2 года назад

Now there's a thought! I see Makita have just released a battery powered cooler/heater though don't know if it's just a peltier device or a proper compressor fridge.

@lastknownlocation8760 3 года назад

I really like your videos! But I’m intrigued, How is 49 minutes a 57% improvement on 77 minutes? I would’ve said about a 37% improvement

@LockyourHubs4WDing 3 года назад

I just checked the math, I think I'm going to have to sack my researcher.... Unfortunately that's me! Thanks for pointed out the mistake. I'll put a note in the description.

@lastknownlocation8760 3 года назад

No worries. At least I was actually listening and paying attention. I was worried I’d worked it out incorrectly

@LockyourHubs4WDing 3 года назад

@@lastknownlocation8760 Thanks mate, I've edited the description (you can't change the video after it's been published)

@YeahTheOzzy 2 года назад

Why not just run the oven straight off 18v?

@LockyourHubs4WDing 2 года назад

I think that would probably be too much current for the heating element and would let the magic smoke out!

@YeahTheOzzy 2 года назад

@@LockyourHubs4WDing na it's fine, I've been doing it for a couple of years now with a Milwaukee 12ah battery.

@LockyourHubs4WDing 2 года назад

Really? How does the oven perform?

@YeahTheOzzy 2 года назад

@@LockyourHubs4WDing I don't do it very often any more but it feels like it works the same. I haven't done tests like you have though. Just got to keep an eye on the battery level as it doesn't cut off when it gets too low. I ruined a brand new Milwaukee 12ah doing this! Also, something trips in the 6ah batteries if you try using them. I got 2 replaced under warranty. (didn't tell them what I was using them for!)

@LockyourHubs4WDing 2 года назад

@@YeahTheOzzy I know the Makita's have a low voltage cut out, not sure about other brands. Lucky they replaced them under warranty, you can pick up a cheap low voltage cut out off of eBay that'll stop you from killing the batteries.

@Katov2 7 месяцев назад

Did you allow for the energy to re-charge the tool batery?

@LockyourHubs4WDing 7 месяцев назад

No, just the energy from the batteries themselves.

@SomervilleMetalWorks 3 года назад

Good test Simon but your math on 3 out of 4 percentages is wrong would've have thought you'd be better than that. Also did you measure voltage at oven in vehicle you say its 14v but is it really?? Also you never accounted for convertor losses in you watt hour usage I would assume they're maximum 90% efficient so there'd be at least 10% more power consumption. Still step up are a better overall improvement

@LockyourHubs4WDing 3 года назад

Dangnamit, turns out I need to learn how to operate a calculator! I've edited the description with the correct percentages (RU-vid doesn't allow editing of the video after it's been published)

@BenMitro 3 года назад

Wow, you are a bit of a genius! What happens if you feed it directly from the batteries? My guess is that since the heating elements will die with too much temperature and this thing is temperature controlled, then it will work just fine...(famous last words?)

@LockyourHubs4WDing 3 года назад

It'll probably let out the magic blue smoke! Remember a fully charged 18v battery is around 20v

@BenMitro 3 года назад

@@LockyourHubs4WDing It really depends how quickly the thermostat reacts...chances are it's slow and a long way from the heating elements thermally speaking, so yeah it may go poopie.

@garylienert 3 года назад

Many thanks. One request and a question. Could you do a video of the tool battery build. That would be almost as interesting as this one. Also does 15volt power supply to Big Bertha, kill it, from the testing you have done?

@LockyourHubs4WDing 3 года назад

The "build" was pretty easy, no real tips or tricks. The Big Bertha over says in the warranty not to use a step-up, and the max voltage allowed is 15v. Though I've never let a warranty get in the way of a good time! So I'll check it out.

@slowtbpatrol1691 3 года назад

What about the energy used to recharge the batteries? Yes it obviously cooks more efficiently but is there a true gain in having to eventually wait for the recharge of 4 x batteries.

@LockyourHubs4WDing 3 года назад

It depends on how you charge the batteries I suppose, using the dedicated 12v charger is more efficient than using an inverter and mains charger to recharge in the field. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-uoYUuM8JN18.html

@curtturtle 3 года назад

How flat were the batteries at the end. Could you run a second or even third run on the batteries. Thinking about camping viability.

@y0uCantHandle 3 года назад

If he used 130w to heat the pies and the batteries are 18v 130/18 = 7.2amps used Assuming each of the 4 batteries are 4amp 4x4 = 16amp 7.2 / 16 = 45% used.

@LockyourHubs4WDing 3 года назад

Even though I used 6Ah batteries, it's pretty much a one shot wonder including the preheat.

@curtturtle 3 года назад

@@y0uCantHandle Thanks mate.

@curtturtle 3 года назад

@@LockyourHubs4WDing Still pretty good. A great trick to whip out while camping with the guys

@boxheadmr 3 года назад

Is there a way to have an internal prob in the pie and the travel buddy cycles on and off once the determined temp is reached maintaining the temp

@LockyourHubs4WDing 3 года назад

That should be pretty simple with a digital thermostat and a relay.

@LockyourHubs4WDing 3 года назад

Though to get the probe into the frozen pie I had to drill a hole in the side!

@muzzaball 2 года назад

You and your Makita - that's obviously the secret! Seriously tho, running 6Ah compared to say 3Ah would probably make a world of difference to the figures - I know that it does when comparing the torque of a dakka dakka! Or maybe not because of the 15v converter? Cheers.

@LockyourHubs4WDing 2 года назад

Other than run time, probably not. It's only around 2.5 -3 amps per battery pack.

@seanmcintyre7930 3 года назад

Why didn’t you wire the car to the regulator aswell. Preheat times would of been the exact time

@seanmcintyre7930 3 года назад

Same with the cooking time

@LockyourHubs4WDing 3 года назад

You're right, though I would have been comparing 15v performance with 15v performance! I wanted to firstly see if it could be done with done with tool batteries and secondly what's the difference between driving voltage and 15V.