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06-02-2017, 05:30 PM
(This post was last modified: 06-03-2017, 12:20 PM by egam.)
I have all of the components now to charge batteries using tp4056 circuits I purchased from ebay. The only problem is they have no reverse voltage protection as stated in the description.
With the opus, I can accidentally put a battery in backwards without harm.
For those who use the tp4056, what is your experience with reverse voltage? What protection if any do you use?
If not, have any of the tp 4056 circuits failed? Do they fail safe? Meaning no burning.
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i build my board with positiv up, aiming at the tp4056, so all blame would land on me for not installing them correctly, never happened so far though
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I got the tp4056 with reverse protection, it works
CyberWall #1 DC2DC 7S80P 2300mAh avg Cell #2 DC2AC 7S80P 2200mAh avg Cell LG MF1
Chargers: 1xEV-Peak CQ3 400W 4 Chan(with DIY 6S cradle allowing 4x6S1-3P)
7x Foxnovo 4S -- 20xTP4056
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Same as Maj. If you "really" wanna add extra protection, you could always put a 3.3V LED in reverse to the TP charge, and add a schottky diode (I think that's the right one) in the right direction for charging. That way when you put the cell in backwards the schottky will keep the charge controller from blowing up, and the LED will light up.
That's the simple explanation, anyways. It might be a bit more than that; I'm not quite that familiar with circuits yet.
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Location: NYC
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I think the simplest solution is get tp4056 with protection, they're dirt cheap
CyberWall #1 DC2DC 7S80P 2300mAh avg Cell #2 DC2AC 7S80P 2200mAh avg Cell LG MF1
Chargers: 1xEV-Peak CQ3 400W 4 Chan(with DIY 6S cradle allowing 4x6S1-3P)
7x Foxnovo 4S -- 20xTP4056
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