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@danPattenAudioG33k I have a few questions as I purchased this system too and wondered if I could contact you to have a small discussion.

Hey Dan by chance you have the measurement of the vent opening on the back panel? Without the trim on. Thanks

Hi Dan, Great Job! I did the same thing as you but I am seeing a red hue that comes of the lights. Would you know why? I also did the 6K lights with 2 24V power supplies.

Thank you for details guidance on both of the video. Looking forward to part 3 of the video to communicate with PC/arduino

A topology that is 30 years old. I see no reason to build this today. We have better projects.

Pm me can you install do sola battery...

Can a RESET button be added to make this easier ?

Wow. $5k-$6k for someone to install. My neck of the woods they’re getting $8k+ for a very average house

Remember buying a Threshold Class A amplifier in 1978! Purchased it from Sound Components in Coral Gables. It was an incredible amp for my Chartwell LS3/5a’s which were 15ohm impedance. The amp got quite hot, but the sound was incredible and worth every cent it cost. Mr. Pass designs were always good sounding and well thought out. I would love to have an amp made with 30 watts per channel to drive my old QUAD ESL’s sitting well packed in the basement. At $40.00 it would be an incredible value for a Nelson Pass designed amplifier. For a couple hundred dollars for a power supply and chassis and fans it still would be a bargain. I just purchased two FOSI V3 mono block amps from Kickstarter with two 48volt 10amp power supplies for the Class D amps as a funding reward.

Hey man do you provide a service to do this? I am just unsure how to charge it up without a special charger.

Was shipping added to the cost that you showed in the video?

So I'm not an electronics guy but I got my 58 volt echo weed eater battery working after it stopped working over the winter. All I did was put it in my weed eater and cycled it from turtle mode to rabbit mode until it started running. I ran the the battery down and it is now charging perfectly.

Is there a way to make the ah reading at 100% after setting it? Say you set the OAH to 100ah, then make it 100% after saved.

What voltage did your battery show when it would not charge and/or show error?

Thank you! It worked! Just saved me a few hundred bucks!

Can you tell me what lengths you cut 4x4's please

Opposing magnet pole configuration? Missing something ... Embarrassing! I've only built Electrostatics, pain in the neck. Did you machine your plates Dan? Dave in PA.

Great advice. Especially the guy who mentioned jumping the dead battery, from a sister battery of the same type for 30 seconds. Both worked for me. Has to be a significant design flaw on their part as I've gone through two warranties to date on both batteries, same issue, prior.

I built one while waiting your final video. All I can say is no need to wait. If anyone interested, do it. I used 4 meanwell 24 V. 4.5 amp smps. Built it as full mono.

Hi Dan, excellent videos and thanks for posting.. I'm doing a exact similar installation. Couple of questions, did you resolve the peak portion of the track installation in video 1? Did you buy or fabricate the end caps? Any issue with data line and need of a booster?

Are there any sound test yet? I'm curious how the differences between typical common dynamic driver and the planar driver on a big speaker rather in regular IEM's

So I need all that fancy expensive equipment and experience to obtain this? Appreciate your video though…

so how can I charge my battery without a good charger. if i use a ac battery charger what voltage and ampere could I use? Is there a way to fix the charger? Thank you

Thank you, Dan! Your video was very userful to make a right choice.

Who is he calling "Kate"?

I can reset a battery too if I owned all this equipment.. . But I don't

“I can’t get a decent SPL” What more about an amp would I need to know?

My pack is 7 years old. The board does have the stuff that he says is missing on his. Many good seasons. A replacement?...$190!. May see if I can replace the cells. 7 years is probably all we gonna get on Lithium?

We have the same shed kit and getting ready to state clearing a spot. Any problem with wind, should we tie it down?

Thanks for this video! Just started testing headphones and your video is super helpful.

Thank you for the tape demo!! We now can proceed w our build. Good job!!😊

Do you have to charge the battery externally before doing the reset? Or can i just do the reset?

Thank you for sharing this video. How did you fasten the greenhouse to the 4x4 foundation?

I cannot get my meter to display accumulating AH or WH, it only shows 0.00. I got a replacement from Amazon and it behaves the same. Do I have 2 bad meters or am I missing something? I have a 12V, 45 AH battery that I am trying to test. If I set the OAH to 45AH, it will decrement the AH appropriately when I apply a load but the WH is still displaying 0.00. If I reverse the current direction, the WH will display but as soon as it hits 0.11, it resets to 0.00.

I tried this exactly as shown. It does not work. For the amount of time I spent, it's more cost-effective to just buy a refurb'd battery, or better yet - retire this terrible Echo.

This actually looks rather easy to build out of 2x4 and ply boards and plastic paneling and solar panel powered led entrance light as well as a ventilation fan that is connected to a RHU and temp sensor and plug. And pay way way less I love watching videos to recreate out of wood and sweat.

How many amperes is a good transformer for an LM3886 stereo amplifier?

As a Tech from way back I can really appreciate the contents of this video. It brings back memories of my fiddling around with amp builds in the past. Keep up the good work.

How did you charge it???

Great video. Thanks for the ideas. I especially like the concrete risers. I used them for my shed, but didn’t think of them for the green house.

Great video! Hoping you can help me with my question. My battery has no LED lights that light when I press the button. When I put it on the charger red light blinks, then turns solid (defective). Took the battery apart and reset per your video. When I put it in the charger now it just always says "evaluating" (blinking red light on charger). Any other tricks I can try? TIA!

Glad I found your video. My 58V battery did exactly as you described. It was fully charged, but I performed the reset you showed in the video using a paper clip between the ground and reset and it worked when I put it back in the saw. Thanks for doing the work figuring this out!

How long did the project take you? Not including digging for electrical or electrical work.

The ac fuse might be in the socket

Thank you for the testing demo, I recently ordered the Drok USB Load as well as a RuiDeng UM25C USB Tester, should be here in a day or two. I'll also try my RockSeed RS310Pro as power source to try to duplicate your test here. BTW, that sure is a nice Flir Thermal Camera that you are using (I can't quite make out the model # in your video), not in my current budget (No pun intended), but a thermal camera may make it onto my wish list in the not too distant future. They are spot-on for spotting PCB problems, as well as other equipment.

Great video! I will be starting my build over the upcoming holiday weekend. Wish me luck as I am thinking about adding solar to mine (no direct electricity for me 😢).

I have had an Echo 58V Hedge Trimmer, Weedwacker, and Blower since 2017. The 2Ah and 4Ah batteries have always been finicky. I've tried running all of the power out of them and rechaging them. I've tried pressing and holding the battery button for 30 seconds. Nothing seemed to make the batteries work as they did when they were new. I've gotten the "Defective" light at the end of every charge cycle for each of my 4 batteries for years. I've filed Warranty Claims for new ones previously on multiple occasions through Echo. This morning, while debating on whether to make the leap to EGO tools, I went down a RUclips Rabbit Hole... and landed on this video. Dan perfectly describes the issue I was facing... charging issues.... not working for long periods in the tools... even if voltage is 57.4 Volts. So, I followed his instructions to a Tee, using a T10-H Screwdriver.. I reset one battery at 51 volts, another at 56.4 volts. I put the clamshells back together, charged them up, and WOW! What a difference! Its almost like my blower is brand new! Using my 4Ah battery, I went from less than 2 minutes on Turbo Mode to 10+ minutes. Also, after using Turbo for 10 straight minutes, the battery was still holding 50 Volts. Problem Solved! $1,100.00 Saved! Dan has a new suscriber now. Thanks Again!

I actually just bought this for 3d printer mods your video will help

Great info ! Another important tip is that a lot of people forget that the battery itself might still be on the warranty. 5 years, if you still have your receipt or if your purchase was registered at your Echo dealer. I have got 2 two of them replaced in the last year.

Hi Dan, Thank you for the video. I have a question "What is class 1 and class 2 powersupply? If i am using the class 1 powersupply then how do i know that i am following the wiring method requirements of class 1 circuit.