h a l f b a k e r yFaster than a stationary bullet.
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so at 2am when the neighbour needs a boost from you (or vice versa) you don't spend 20 minutes trying to figure out which terminal/jumper combination charges the battery and which one blows it up.
Since Tritium has a half-life of 12.5 years and decays into Helium, there's no need for special recycling
facilities.
[link]
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Some cars have built in engine bay lighting. Certainly available as an aftermarket accessory .... |
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I saw some jump leads the other day that had LED lights built into the croc-clips, but if you can't find the terminals on the donor battery in the first place... |
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Rather than Radium - What if there was no drain on the battery it lit itself (i.e. little Red/Green LED's near the +/- signs and terminals)? |
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//LED's// useful if you're the charger not the chargee |
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// Red/Green LED's near the +/- signs and terminals // |
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The convention is red for +ve, and blue or black for -ve. |
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Black LEDs would certainly save on power ..... |
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why not just have a pair of l.e.d.s on the clips themselves? Once you have one end hooked up the other end "self identifies" the polarity using diodes and illuminating either a + or - on the clip body. A small lamp on each clip could also help you guide it home. There are cables with reverse polarity protection that simply rectify whichever way you hook them up now too. |
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Really you should have a flashlight and some flares, although in a pinch the flares alone provide plenty of light. |
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//jump leads the other day that had LED lights built into the
croc-clips// |
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How would that work? You connect one clip to one terminal,
and then what happens? The LED can't light with no current
flow, shirley? |
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Wah! Have they invented BLUE LEDs? |
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This is exactly what engine bay lights are for, as referenced by
8th, no? |
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This engine bay lighting .. that's driven off a separate battery, then?
You don't need two LEDs; just one will do, as long as you can find the other terminal at all.
Dub, blue LEDs have been around for quite a while.
I really like WcW's idea of self-selecting glowing +/- in the clip. Could be done with a low-power battery in the clips - it's a little more complicated than a plain cable, but doable, and would look like something out of a science fiction movie. From the early 80ies. |
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If only there was some sort of device that projected a cone of light, that you could use to illuminate the battery... |
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//engine bay lights// good idea if the vehicle has them ... how are you going to power them again ? ;) |
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//clip LED's// so once you've hooked up the one battery, how do you magically tell which terminal on the other battery to hook up to ? |
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//cone of light// a bit of unnecessary bother and losing any semblance of night-vision is usually counterproductive in the dark. |
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a bit of research comes up with Tritium being the better choice: less radioactive/poisonous and half-life is more in line with battery life so it wouldn't warrant special recycling efforts.
(post edited) |
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good idea to put them on the cables themselves, too. |
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//why not just have a pair of l.e.d.s on the clips themselves?// |
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"Well it's like this, I rarely pass through this area and I was just visiting the family grave. The jump-leads were the only light I had" |
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These must be the only batteries that have completely
interchangeable and compatible terminals. Is there a
reason for this? Almost all the batteries or cells in real
life have completely different and incompatible physical
terminals. |
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