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    Merry Christmas!

    Merry Christmas everyone! Hope Santa brings us health, happiness and losta large ev batts! Santa sent me an early gift, 48v 100 ah golf cart batt.
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    Possible to get cheap Chinese cars?

    How many miles a year will you be driving? I have ford transit high top (9'2" high) 3.5 ecoboost, get dismal mpg above 68 mph, 19 mpg if you keep it around 65 ish. Buy a used mid height and high top long and convert it. Look up Orton, my brother from a diff mother online, for build ideas. If...
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    My econo-e-bike

    Ouch, sorry to hear about your accident, praying for fast recovery.
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    I'm looking to buy an e-bike, need some advice.

    Best of breed is the motto I follow when buying stuff I want to keep. My oldest vehicle now is a 2007, I bought new. I still have it. Ebikes on the other hand, I would find a value (cheap) make/model that uses regular OTS controller, and other stuff. So when a part breaks, one can pick it up...
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    Successor to the infineon clone controllers in the 1000-2000w power range?

    maybe a thick alu plate attached to the bottle holder with the same screws, and then the controller heat sink in contact with said plate? PS: I have a been following this thread, just place my order, thanks to all who contributed!!!
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    Amberwolf disappearance and newbie help requests :(

    We need to encourage users to add keywords to the bottom of their posts. It will help when we search for it later. [typo fixed]
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    Amberwolf disappearance and newbie help requests :(

    Shoveling coal, yeap, definitely chime in where I can. Still lacking in the advanced stuff and actual implementation of high power stuff. "I spy with my little eyes....." ;-)
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    Please help me to learn solar inverters, and what I should look for.

    Many have done self install, the sellers provider a details diagram and other stickers etc to pass inspection. when I was planning on installing, I had a electrician lined up to install the main disconnects etc. The electric co in Michigan is a monopoly, law makers hold their ankles for big...
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    Please help me to learn solar inverters, and what I should look for.

    CS, How will you use your solar? Are you allowed to sell back excess power back to the grid? How much space do you have for solar panels? To give you an idea: In MI where I live the quote to sell back excess power has run out. So if I put in solar, either I have to use ALL of it or store the...
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    I had to pause on the batt, I was tied up with coaching middle school tennis and few volunteer days running sailing races. Taking a break tomorrow to fish some small mouth bass. If any of you have your bms middle section some what intact, can you double check the 5 small pins in the middle and...
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    New ebike build

    Op, look at @Barncat builds, I bought a welder to build one someday! awesome build. read read and read first.
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    E-S Stealth Electric Bike Owners

    Thanks, I think the one I bought off garamata is little shorter,
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    E-S Stealth Electric Bike Owners

    Morning from West Michigan, What is your seat height that seat and what is your rear shock length? I am getting ready to assemble one finally for my youngest D, she is 5-4 now.
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    How long did you short the 2 short blade pins for? I remember reading the TI whitepaper and it mentioned a delay. connect the 2 short blades and leave them connected and then press the batt level indicator switch, does it show a level? Also, before you start charge your batt to 53v first...
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    Thanks to @daleconvert for figuring out the pins to wire color. Looking at the PCB, the labels are: 3v OUT - confirmed short blade marked in the pic is outputting 3v ENABLE - need someone to confirm this one is the other short blade SDA - I2C comm SCL - I2C comm ID - what is this...
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    Mine came it in at 3.53 volts, I charged it to 3.75v per cell
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    Thanks a bunch, I guessed that it was a TI chip counting the 44 pins, https://www.tij.co.jp/lit/ug/tidues4/tidues4.pdf 2.3.4 Wake-up Circuit DesignWhen the battery pack is first time powered on or with very low battery voltage, the system enters the shipmode and the entire system, except for...
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    Good work, So the 2 solders in the middle hold the pack down, Can you please post a pic of the profile of the batt (sideways view) and a close of the 5 pin connector part of the BMS (close up) 3 bank of 8 pin mosfets: Bank 1 and 3 are pass through and have nearly 0 ohm resistance, Bank 2...
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    8 pin mosfets, 3 banks of them
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    what component are these?
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    Floyd, I was procrastinating while you took a stab at it :D I really have on use for the batt/cells now, just bought it cuz it was cool, I want to be able to use it as is if possible. Yes, we should be able to reverse engineer the bms. My electronics chi is very low due to a decade of...
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    Molicel P42A, Sony/Murata US18650VTC5D in 14s5p battery packs sounds like a good deal?

    I received my order today, these packs are very very very long and bulky, as is, they are NOT usable. My sarcos pack came in with what appears to be a dead BMS (hibernating?), when I press the switch, I do not get any light. Checking each bank I found them to be at 3.55 to 3.53 v I have not...
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    500w DD ebay motor with bamboo pegs, what glue?

    I am planning on spraying varnish on the motor, I am guessing you did not have any bamboo pegs walk and get broken off ? Spraying Varnish: 1. Wipe surfaces with 90% alcohol couple of times and let it dry 2. Spray 2 coats? and dry in between Do I need to oven cure?
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    500w DD ebay motor with bamboo pegs, what glue?

    So do I worry about the bamboo pegs moving? Got it, 2 part high temp epoxy is the proper glue. Do I apply it on the top edge in RED below?
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    500w DD ebay motor with bamboo pegs, what glue?

    I watched Justin take off the side plates with the gear puller and I was sold, bought a cheap 8 inch for $18. Yeah, could not believe how simple it was to take off the side plate. I was and am still little scared to put my wussy, girly fingers in between the stator and the magnets. I can't...
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