Any chemists on-board? Curious as to what the exact chemical process is
that causes such a powerful state change. Hard to believe that something
so dangerous and volatile is inside so many things we carry around in
our pockets.
I guess my mistake was getting a pack that did not have any sort of
protection circuit in it. I don't recommend my personal method of
discovering the need for them! I was assuming the charger knew what it
was doing. Never will I trust that thing again.
73, Doug -- K0DXV
On 12/10/2014 6:44 PM, Jim Brown wrote:
On Wed,12/10/2014 3:38 PM, Doug Person via Elecraft wrote:
Just a quick note to affirm the need for caution around Lithium-Ion
battery packs.
All Li-Ion packs are not created equal. Charging rates depend upon
capacity, and proper Li-Ion packs have built-in protection modules.
Study batteryspace.com to get a handle how these things are built.
This company is "the American partner" of a small battery mfr in
China. The Chinese company manufactures the cells, the American
company puts them in packs with protection circuitry and suitable
connectors, and does the marketing.
My neighbor, W6GJB, bought one of their bigger LiFe 12V packs. Looks
quite solid.
73, Jim K9YC
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