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L
leffex
1 kW
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35
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From
Sweden
Joined
Apr 8, 2012
Last seen
May 26, 2023
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Viewing thread
KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)
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L
leffex
replied to the thread
Swedish 50:s motorbike with 3 kw hub motor - battery suggestions?
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It is easier to build with a hub motor and battery voltage is about the max speed you can get in a normal setup so aim for that. My...
May 26, 2023
L
leffex
replied to the thread
18650 vs 21700 comparison
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I would use 21700 as often as I can as it cuts down the cost of time consumed to make and build a battery. If you have your cost on a...
May 26, 2023
L
leffex
replied to the thread
18650 vs 21700 comparison
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Do you have had an experience with a fire? Lipo cells being charged is very dangerous but 18650 cells using products that are following...
May 26, 2023
L
leffex
replied to the thread
bms connections help needed
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13s battery has 14 cables as the first one is 0 + 1 through 13 = 14 x
May 26, 2023
L
leffex
replied to the thread
Advice for mixed cells in pack
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I scuff away bad cells or cells I'm unsure off. A good outer shell is something to ponder about or go commando without an outer shell...
May 26, 2023
L
leffex
replied to the thread
15S Li-ion thoughts?
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Yeah, staying with your 14s setup is enough and you don't have to worry about charging the full way. That is the fastest and quickest...
May 25, 2023
L
leffex
replied to the thread
Range extender for a stock Bosch e-bike
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Yes, I think it calculates somehow. I have a customer that has connected another Bosch battery to his bike and his Intuvia display...
May 23, 2023
L
leffex
replied to the thread
plugged wrong charger (higher voltge) into battery, now having problems.
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I would say nothing generally happeneds but I have never tried your scenario. Usually batteries are protected by a small chip or BMS...
May 23, 2023
L
leffex
replied to the thread
Rectifier Huawei R4850G2 48V 42~58V 3000w
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I have a 4850g 0-90v (real was 0-100v I think and 0-32,5A) 3000 charger. Used a little for 95v battery but now 75v battery or 18s. The...
May 23, 2023
L
leffex
replied to the thread
Anyone have aspergers? Is "weird"?
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Being unique ain't nothing special isn't it? Sorry. I mean society thrives of people specializing in their each and other academic or...
May 23, 2023
L
leffex
replied to the thread
are 18650 safe overchrged from 4,2V to 5,0V?
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My electrician brother set 4x 4s lipo 20C rate packs with a 20s charger. Charge rate was about 5A and voltage 84v. So each cell was...
Mar 5, 2023
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