Test The Brake Lever Switch help

Lightweight / Folding / Portable EVs - seats optional
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TommyCat   100 W

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Re: Test The Brake Lever Switch help

Post by TommyCat » Jul 24 2019 10:42am

omadawn wrote:
Jul 24 2019 8:49am
Yes it is, only 2, why do you say it's a good thing?
When you get your new charger that operates properly you can easily reuse your old charger's wiring and connector.
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omadawn   10 W

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Re: Test The Brake Lever Switch help

Post by omadawn » Jul 24 2019 12:04pm

Interesting. Using your charger as a power source and shutting off at your determined set-point. Would not be my choice.(I don't think it allows cc/cv) But if your determined to charge below 29.4 (or have too), perhaps. Beats diodes...
As a newbie feel more confortable in a cheaper solution, to learn, and at the same time if something goes wrong, have the conscience clear that I won´t loose much. My future intentions are to update (overvoltage perhaps...) anyway....for now, lets go for this:

https://www.ebay.com/itm/DC-DC-Boost-Bu ... 508941658

It says it allows cc/cv, now witch one it´s the most appropriate?

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TommyCat   100 W

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Re: Test The Brake Lever Switch help

Post by TommyCat » Jul 24 2019 12:49pm

Sorry, I have no experience with that type of control. :(

Please use the utmost caution when charging with it :!: Best of luck!


Last chance... :wink:

https://electricbike.com/forum/forum/kn ... d-advanced
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Dui, ni shuo de dui   1 kW

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Re: Test The Brake Lever Switch help

Post by Dui, ni shuo de dui » Jul 26 2019 2:54am

I'm not sure to understand what's going on in this thread. Why is it that you don't just go the easy/obvious way and purchase a new charger just like this one:
https://www.amazon.com/29-4V2A-lithium- ... way&sr=8-5

Since apparently the issue is that your previous charger was going up to 29.7V, and provided you actually did the test I mentionned before which was to charge at 29.4V and check if everything works, I guess this sounds to me like being the smartest choice.
Unless maybe I missed something?
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omadawn   10 W

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Re: Test The Brake Lever Switch help

Post by omadawn » Jul 26 2019 4:07am

Unless maybe I missed something?
I think you did. Found out that The motor runs only at 29.2 V. So the best solution from what I have seen so far is pending between the 2 options that I mentioned before (investment on a good & costumised charger, or, the small & cheap charging circuit).

This one, seems quite reliable, almost 3000 units sold, and more than 150 positive feedbacks:

https://www.ebay.com/itm/DC-DC-Convert ... 1052037491

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omadawn   10 W

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Re: Test The Brake Lever Switch help

Post by omadawn » Sep 09 2019 1:57pm

Hollydays ended, now problem solved, with the charger connected to the small circuit I mentioned in previous posts, works fine.

If u guys would be so kind, I would need some help now here: viewtopic.php?f=35&t=101415

thanks

Voltron   10 MW

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Re: Test The Brake Lever Switch help

Post by Voltron » Sep 10 2019 12:01pm

CC/CV (constant current/constant voltage) is what you want for lithium batteries.

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