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    Current limiter & data logging with arduino

    Hi, The battery I have for the moment doesn't have enough capacity for the controller/motor on my trike so I decided to build a current limiter with an arduino nano. This is a beta version as I haven't tested it yet. I putting this here to see if anyone has an opinion to help me improve it...
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    Solar charge 18650

    Hi again, The panel I have is http://www.going-green.gr/products/panels/Solarworld_200-225_poly.pdf I already have a PWM controller but the LOAD output only support 3A. I could use it to switch a mosfet. The RC hobby charger I have is only 60W (imax) and it would be a waste to use this on a...
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    Solar charge 18650

    Yes thanks it is an interresting approach! I would then need a relay to cut the alimentation from the SLA battery when there's no sun but that sould'nt be a problem as I will be using a arduino to control the CC/CV from the converter to the 18650 batteries I'm also wondering, how the solar...
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    Solar charge 18650

    Hi, I have a 210W (24v) solar panel doing nothing so I decided to make a roof for my trike. As I've understand, I can use a module like this...
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    charging Prius battery (8 cells)

    Thanks Monstarr for the link, i'll look into that. I do have a lot a space on my trike. There was two lead batteries there before. As said here, a 2A charge on a 6.5Ahrs would not be sufficient to trigger the dV or dT so stopping before full charge isn't an option...
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    charging Prius battery (8 cells)

    Amberwolf, i've read this on many article. here's an exemple ( http://www.gpsy.com/ev/2012/01/charging-prius-packs.html ) or https://endless-sphere.com/forums/viewtopic.php?f=14&t=6726 and http://www.mpoweruk.com/chargers.htm I do have an RC charger (imax b6) for my 18650 batteries but...
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    charging Prius battery (8 cells)

    Yes I understand the dV or dT part but it seems that nobody is able to detect them and no available charger can. What do you use for charger?
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    charging Prius battery (8 cells)

    yes I've been reading quite a lot but the part I'm having a hard time getting info is: When exactly do I stop charging. in this thread ( https://endless-sphere.com/forums/viewtopic.php?f=14&t=6726 ), he seems to be only charging them at 8.3v and basta. Others I've seen uses the same approach...
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    charging Prius battery (8 cells)

    Hi, I came across a free used prius battery (1st gen) and I want to extract 7 or 8 cells for my trike. I've been looking around a little bit but can't figure out the right way to charge it. Anyone has experience with this? Thanks!
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    GPS trackers?

    You can always use a old cellphone with GPS.
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    18650 battery and regulation

    yes that's what kind a figured out since then. Now i'm looking at the possibilities: either use the "3 speed mode" of the controller and disable the third speed or add a resistor on the throttle do decrease throttle voltage and therefore avoid going in the upper part of it.
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    18650 battery and regulation

    Hi everyone, I am building a battery pack for my e-trike. I've bought a lot of brand new laptop battery (DELL 650) that are "samsung icr18650-26f" 18650 cell (72 cell in total). As they are new and already soldered in 3P configuration, I was thinking in NOT de-soldered them and do capacity test...
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