I was using a tiny Li-Poly pack about the size of a small matchbox that
I got from the local RC model store with my KX1 when it began to smoke.
Fortunately,I had it on a pigtail, was out on the deck in a Spartan
Sprint, and could unplug it and fling it over the railing to the gravel
driveway.
There were no flames or major explosions, but there were a lot of sparks
and quite a bit of smoke for such a small package. The pyrotechnic
display went on for perhaps 40-50 seconds, followed by some low-key
fizzing and popping. It left a burned mark in the gravel when it was
cool. NOTE: This happened while discharging the battery, and I wasn't
transmitting at the moment.
I struggled through required Chemistry in college, but I did learn
enough about that particular column in the Periodic Table to avoid
getting the hose. [:-)
I have always charged all of my lithium-ish batteries outside from a
solar panelso they contain only green and no brown electronsfor events
where that matters. I usually put the battery in a metal coffee can.
Ibelieve, but do not know for sure, that LiFePO4 chemistry is quite a
bit more stable than others.
73,
Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn
On 5/18/2017 10:27 AM, Chip Stratton wrote:
I took an old LiIon battery pack out into the back yard, and from a safe
distanc shot it with a pellet gun. In short order it began violently
venting gases and gray smoke, no doubt at a very high temperature. I didn't
see flame, but it was daylight and maybe too bright. It made a big
impression on me. The battery pack was heavily charred by the episode. I
don't doubt they could explode, but I don't think that is the typical
scenario.
Chip AE5KA
On Thu, May 18, 2017 at 1:03 PM, Richard Fjeld <[email protected]> wrote:
Thank you very much for this advice.
I have often heard of fires due to Li-on batteries, but I have no idea of
the nature of the ‘fire’. In other words, do they burn, or do they
explode scattering ignited fragments.
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