05-13-2020, 04:28 PM | #1 |
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Battery charger recommendations
Long story short, I was in between switching my BM3 map, and got an error at 99% it wasn't fully installed. After going back and forth support, figured out battery charger is needed. Car is not starting.
So any recommendations on charger will be helpful. |
05-14-2020, 02:55 AM | #3 |
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You want a bench charger that can provide plenty of amps
DEWALT DXAEC80 30 Amp Bench Battery Charger: 80 Amp Engine Start, 2 Amp Maintainer, 120V AC Outlet, 3.1A USB Port, Battery Clamps https://www.amazon.com/dp/B06XDJZC1M..._hLpVEbGB64G2D I use this one that's rated for 30 amp continuous. Used it for a 2 hour flash session when I was flashing my idrive unit to be upgraded and compatible with full screen CarPlay |
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05-14-2020, 04:19 AM | #4 | |
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05-14-2020, 04:24 AM | #5 |
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you mean as a trickle charging feature? Or are you asking for during an ECU flash with BM3?
if the former then no, I have a separate CTEK charger that I use for trickle charging. If the latter question, then no you use the standard full charge feature during flashing |
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05-14-2020, 04:26 AM | #6 | |
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05-14-2020, 05:27 AM | #8 |
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05-14-2020, 09:27 AM | #9 |
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Plugged it in, I can't even go into aux mode, although it's showing 11.9V, it needs a full charge I guess. Strange battery was absolutely fine yesterday morning lol.
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05-14-2020, 10:08 AM | #10 | |
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05-14-2020, 10:36 AM | #11 | ||
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05-14-2020, 10:48 AM | #13 |
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That's all I use. Just make sure that you battery is in a full state of charge and the tender is in a float state prior to flashing. I have a 1.5 amp battery tender and have flashed ECUTEC 13 or 14 times and never have had an issue.
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05-14-2020, 12:13 PM | #14 |
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Good to know! Wasn’t sure if I picked the correct one for the job.
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05-14-2020, 12:19 PM | #15 |
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I've got at least 8 of these black and decker trickle chargers I've picked up off amazon for about $20. Work great for me and don't break the bank
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 |
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