Paul Drahn wrote:


It's a thermocouple to tell the charge controller how warm the battery
pack is getting while being charges. A sudden peak in temperature tells
the controller the pack is fully charged. At that point it may either
shut off or go to a trickle mode, depending on the charger design.
Not a thermocouple, but a thermistor. A thermocouple would have
a couple Ohms resistance, tops. 11K sounds very right for an
average thermistor. otherwise, what you say about temperature
measurement is right.

Jon