Intelligent Portable Power for Off Grid Ham Radio

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Portable power for off grid ham radio by DL4KA Oliver of DIY599.
Hello Operators.
Today we are interviewing Oliver DL4KA the popular ham radio designer and manufacturer of the PA500 & PA500E (Expedition) amplifiers. Oliver is just about to release a new LiFePO4 based intelligent power pack called the BAT500.
The BAT500 is more than a simple ham radio battery pack. It is a fully protected, LiFePO4 battery wth integrated MPPT charge controller, 3x DC outputs, protected input and outputs, cell balancing, and much, much more.
Join me in part one of the interview, where Oliver talks about the incredible portable power supply.
73
Julian oh8stn
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Опубликовано:

16 мар 2023

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Комментарии : 62

@OH8STN Год назад

Huge thanks for watching. 73 Julian oh8stn oh8stn.org/blog/2023/03/18/intelligent-portable-power-for-off-grid-ham-radio-bat500/

@billw8dsx939 Год назад

As a product engineer myself, I really enjoy interviews with "makers". Thank you for interviewing Oliver, I think he is an incredible engineer. I look forward to seeing how this product can be used to give us more flexibility when it comes to off-grid comms, especially Winlink.

@margaretamina2486 Год назад

Beginner here. Halfway through the basic HAM course. Hope one day I will understand what you are all talking about. Thank you for these videos!

@thellc24-7 Год назад

I don't know much about this stuff, but this is pretty ingenious 💥💥💥

@OH8STN Год назад

Agreed! It is amazing to see small makers bringing innovation back to ham radio. 73 Julian oh8stn

@calebpolite7886 Год назад

Semper Fi, KQ4ANE. The PA500 brand just keeps getting better and better 🙌

@garytedlock7533 4 месяца назад

Thanks for you response, now back to the drawing board

@virilis Год назад

I'm thrilled to see the product in stock. Thanks for the great content, 73.

@OH8STN Год назад

You are very welcome. 73 Julian oh8stn

@mm7wabanamateurradiowomble30 Год назад

Excellent design, With 28V input limit from panels it would not take much to throw together a simple step-down to reduce the 36V output from my old panels down to 28V to keep the battery unit happy :-) Thank You for bringing this new product to our attention Julian. Great stuff ! 73 de Paul.

@baconwhiskey821 Год назад

Thanks Julian! Looking forward to more on this.

@toms.7913 Год назад

All that I can say is wow. You’re content is always right on target. Looking forward to part two.

@shanemccray4050 11 месяцев назад

Ready for a part 2

@SouthMSPrepper Год назад

I’m a big fan and thankful for all of your content. Just wanted to thank you for all the great content you’ve produced over the years.

@OH8STN Год назад

🙏 73 Julian oh8stn

@J1mbo888 Год назад

Another very informative video Julian. Thanks 🙂

@OH8STN Год назад

You are very welcome. 73 Julian oh8stn

@qjmpq Год назад

Looking forward to part two! Thank you for all the work you put into these movies!

@NAPELAKAPU Год назад

Mahalo Julian. Can't wait for part 2. Can't wait to get my hands on one of those units. Are the cells replaceable? KH6LH

@OH8STN Год назад

I'll ask Olivery in p2. 73 Julian oh8stn

@urlawyer Год назад

A bit off-topic: I just tried your tip of installing a Chameleon whip (CHA-MIL-2.0) on the base of my SuperAntenna and it really made a huge difference. Below 1.2 SWR across all of the 20m band. Interestingly, although you mentioned that using the Chameleon whip might change the tuning of the coil (rendering the frequency ruler inaccurate), I found that the Chameleon whip functioned _exactly_ on the same coil position for the relevant band as the whip. Anyway, thanks for the suggestion.

@OH8STN Год назад

Extremely happy it worked for you. This is still one of my favorite resonant whip antenna configurations. 73 Julian oh8stn

@ericsolomon9522 Год назад

INCREDIBLE products !!! Absolutely LOVE your channel - (just joined you on Patreon) However, I must say your reviews of these Lab599 items are getting me into HOT water with the Mrs. Just orderd the Tx500 But was wondering If you could “predict” the availability of both the PA & BAT 500. You know, better strike while the iron is hot. She’s threatening to cut my card while sleeping so best I get these taken care of QUICK!! Keep up the incredible info. I personally have learned so So SO MUCH from your videos (newbie to AR) and I must say that your style is extremely rational. It is very close to what I see my own use being - only in SW Florida - You know…. Salt, Sand, Rain more Rain & way more Humidity. Brutal on everything. Hope to connect on air someday. Love your work. Keep it up. Thank You again Eric

@mattghoward Год назад

as always a great design from Oliver - wish I could get the charge controller for my home made batt packs 🙂

@OH8STN Год назад

I'm testing one already 😉

@garytedlock7533 4 месяца назад

Thanks ,I bought a ft818 from ebay ended up Japanese use only had to send it back, and so far I haven't found one yet to buy, so that's the reason for the ft891

@garytedlock7533 4 месяца назад

Thanks

@dougdaniels Год назад

Great presentation, I've very interested. One question - is the 15A fuse an actual fuse or a breaker? If it's a fuse, how is it changed/replaced, I think it said it's internal?

@truckinghamk1dok677 Год назад

I’m waiting for a battery from QRP store, hopefully this is the one.❤

@mikhaildanilin4751 Год назад

Круто получилось!!!

@OH8STN Год назад

большое спасибо 73 Julian oh8stn

@iamnobody9542 Год назад

Interesting! I would like more cap for night and cloudy ops tho, like 10 AH, maybe just thicker. But 4 AH is OK with solar power available. Proprietary connectors are a problem, tho, but better than power poles. Jerry wa2omu

@DonzLockz Год назад

A very clever idea and a high quality product. I imagine that no noise is emitted whilst charging etc. It looks like a serious piece of kit but probably also expensive. I think it will be a perfect solution to add to your intense field activations Julian. :) The Lab599 + the amp and battery/solar charger solution would be one of the neatest kit out there with the PowerFilm added aswell. This hobby can lead to bankruptcy! 😂

@nvrumi Год назад

Don, your assertion is an understatement! I have not (and won't) account for the amount of money spent on equipment. If I did I'd probably have a heart attack. ;) And then there is money spent on travel for portable operations. However, we should also note that the equipment retains a substantial part of the investment in residual value. I told my kids that if I die before I liquidate the various bits and pieces of my "collections" they should not just dump my stuff. They should get help from others who know about my things and they will get near full value. This includes books (many out of print), radio equipment, etc. On topic, I'm looking forward to the BAT500 as an addition to my portable kit. I'm thinking that the TX500/PA500/BAT500 station would be outstanding for POTA/SOTA in a small pack with a MS Surface Go and a PF foldable panel. 73 de AG7TX

@kenluning909 Год назад

Very nice system. W5KAL

@thirtycrows Год назад

Slightly off topic but I'd love to see a small review on your jääkäri xl 😊

@OH8STN Год назад

Will indeed. Incoming worh a gear breakdown before the Arctic Circle Off-Grid 3023 gets started.

@thirtycrows Год назад

Awesome! Looking forward to it ♥️

@WB415V Год назад

Thanks

@OH8STN Год назад

Thank you Bill🙏 73 Julian oh8stn

@raithjames860 Год назад

Very informative. Sounds like he is making your dream battery Julian. I would have jumped on board the TX-500 and purchased a radio, it's just the cable mess detracts from the portability. Is there anyway he could have used a floating contact instead of a cable to power the TX-500 directly and have the flying leads available for peripheral devices? I look forward to seeing the next part of this session, Thanks

@OH8STN Год назад

Great question and I agree. The cable mess is an issue. It wasn't possible to use the pogo pins for this much amperage. 2-3 amps is OK, more is a no-go. Thankfully, If we only want to power the radio, lab599 has a pogo pin compatible battery incoming. The BAT500 is great for powering multiple higher amperage devices simultaneously.

@perojunak6949 Год назад

Hey Julian, a little off topic here but where did you find the audio for all your openings on the "Emergency Broadcast System"? I can't find it anywhere and like all of your videos, it's awesome! 73, de Pete

@OH8STN Год назад

I made it. 👍

@jenniferlong9012 Год назад

Hi Jullian, This looks like it wil be an amazing addition to the build of of a complete system. I would like to ask Oliver about production and costs. The cost for the amp is way out of reach for many of us. Especially when listed on ebay for auction. Are there any plans in the future to have consistent production levels to meet demand and manage the cost of the units? I beliave these units are almost priced out of market reach. It is hard to really justify the cost of a $3,000.00 + amp. Next, could there posibly be an addition of blue tooth interface to understand and manage elements of power consumpiontion and capacity across the outputs? Thank you Jenn KD2WRM :o)

@OH8STN Год назад

Hello Jennifer. Only the expedition model is sold on eBay. That's an auction. The normal PA500 can be purchased from a few distributors in Europe and North America, at much lower cost than the Expedition model. I sent Oliver the other questions you had. Hoping he will comment here when he reads this. 73 Julian oh8stn

@roget3890 Год назад

More highly inovative equipment For our wonderful tx500 Can the battery be replaced from inside it's housing Thanks KL5CZ

@ronaldburks504 10 месяцев назад

Hello Julian, i am looking at power solutions for the TX-500, however the BP-500 doesn’t seem to be available yet what are the other solutions that are currently available? Thanks

@Ammed_KN6STX Год назад

When will be available for purchase and where can we purchase???

@Planedude60 Год назад

When is this available? 🙃

@garytedlock7533 4 месяца назад

Thanks for your videos. The question I have is this I'm running a ft891 with a 12v 12ah that draws 2.0 on Rx 23 on TX what size of a solar panel would I need to keep it changed up while operating, Thanks for your help, I'm new to all this stuff

@OH8STN 4 месяца назад

Sadly, It's a trick question. The answer will depend on how often you transmit, at what output power, for how long, and on your battery chemistry. From experience, my FT-891 running JS8Call, using a 10ah LiFePO4 battery using a 120-watt PowerFilm Solar panel, could keep running for roughly 12 hours. Naturally, when night fell, that time would be significantly reduced. With radio such as the 891, it's the receive current which destroys our ability to operate for extended periods of time. To your question. I got rid of my 891, replacing it with a radio and amplifier with combined current draw of 300ma, and 100-watt TX current of 10 amps. With that same 10ah LiFePO4 anx 100-watt solar panel, I could stay on air for days at a time. Check out my videos and "reducing current consumption". You quickly find that there is no magic number that anyone can tell you. Excellent question and thanks for watching.

@OH8STN 4 месяца назад

Take a look at this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-CAUamTA9G90.htmlsi=e8wXam-29AgTGpVc

@VA3SVZ Год назад

Great video! How would you compare this product to the "DIY LiFePO4 Battery - Pocket Portable" that you demonstrated recently? I was set to build one. One of my "wants" is to be able to charge battery to battery so I am thinking that having a discrete, rather than integrated charge controller might be beneficial.

@OH8STN Год назад

Thanks for watching and for the question. My DIY pack is cheaper, user repairable, but lacks the extreme protections this one includes. Ultimately, the pocket portable pack is only as good as the builder, builds it. On a side note. Charging batteries from batteries can be complicated. Source battery needs to be higher voltage than the battery we are charging. We also need to regulate the charge voltage and current. 73 Julian oh8stn

@VA3SVZ Год назад

@@OH8STN I have an off grid solar system. Panel > charge controller > Lead acid Battery. The loads are negligible so the battery is almost always fully charged. My plan was to use the charge controller from the DIY Pocket Portable to charge the portable pack from the fixed battery.

@patm5165 Год назад

Great stuff, is the battery or the amp tuner ever going to be able to be purchased?

@crfogal67 Год назад

Is it emp proof?

@OH8STN Год назад

Good question, complex answer. With long cables connected, the pulse will travel up the cable (which acts as an antenna), and blow the circuit breaker or possibly damage the pack. Without cables, connections are so short, the wavelength of the pulse may not damage the pack at all. This is also true for mobile devices like smartphones or tablets. It's almost impossible to protect any device while it's in use and connected to charging eires. Without an actual e m p test, It's hard to say. What we can say is it is one hundred percent possible to protect, while it is being stored.

@amham48 Год назад

As with his amplifier...unobtanium in the US?

@Aramalas Год назад

Many people in the US have the amplifier (there is one in my bag right now). It is a popular product that isn't made by a major manufacturer, so it can take a while to acquire. But it certainly isn't unobtanium.