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Bob Engelhardt Bob Engelhardt is offline
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Default 2P 18650 pack went open circuit.

On 11/15/2017 12:09 AM, Jeff Liebermann wrote:
...
If you're having problems charging cells which exhibit low terminal
voltage (under about 2.5v), try this:
https://www.youtube.com/watch?v=tbEfhPbqTDE


I came away with this clever tip: use small magnets to hold test leads
to the ends of cells.