Comments by "Paul Frederick" (@1pcfred) on "" video.

@a64738 I don't think it is possible to keep the gas in. Batteries are sealed so you cannot add water to them. There's still breather holes though. There has to be. The battery would blow up due to pressure otherwise.
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When a battery is beat a regular charger can't cut through the sulphate build up. But a higher current source might. It is still iffy whether it's going to work, or not.
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Like the presenter said sometimes the plates warp. That's because modern batteries use cheap thin plates. In the good old days they put big ole slabs of lead plates into batteries. Now they're a mesh grid. Which offers more reactive surface area. But at the same time they're a chintzy mesh grid. So they're more prone to warping.
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No he's just using raw current to shock the monkey. Although that welder he has might put out pulsed DC too (I'd bet that's the case). But that's not what he's relying on to make the magic happen.
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Any time you charge a lead acid battery it is going to create hydrogen gas. That's just what electrolysis does to water. If you're charging a lead acid battery and it's making no bubbles at all then you're just not charging the battery either. But at a low rate of charge it won't make many bubbles. It won't be boiling like you're seeing in this video.
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Tap water varies. Some has more minerals in it than others.
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Most times yes but sometimes you win at the battery lottery. So it never hurts to play.
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@averyalexander2303 to say the current increases implies that the voltage increases. Because that's how electricity works. You cannot increase the current through a fixed load without increasing the voltage. Although a damaged battery may not be a fixed load. It probably isn't. Still, at the outset we can assume that things are pretty bound up then.
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@averyalexander2303 I understand electricity pretty good so I'm correct when I discuss the topic. The current will depend on the internal battery resistance and the potential difference between the charged battery and the input voltage. If you're inputting 17V to a battery that's already at 13.8V then the difference there is only 3.2V That's why your current will be low. It's also why the current drops off as a battery charges. That Voltage difference keeps shrinking. Voltage is the potential difference between two points. Your 17V charger isn't 17V different than a 13.8V battery. Once you connect those grounds up the voltages are in reference to each other. But if you connected the ground to the positive then they'd add in series. Just don't connect the other lead or you'd be in reverse polarity. You could connect a load from the charger positive to the battery ground though. styropyro just uploaded a video playing with car batteries. It's titled, "100 car batteries wired in parallel!" But at one point he series parallels them. It is a very entertaining watch.
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