Ques re lithium charger

pae77

Enlightened
Joined
Dec 18, 2005
Messages
494
Location
Honolulu, HI
I bought a spare charger (that came with a cord for use in a car) on Ebay for my Panasonic lithium camera battery. The original charger and the battery both have three contacts. A plus, a minus and a middle contact marked "T."

The new charger however, only has 2 contacts (+ and -).

My questions are:

1) Is it safe and OK for the battery to use this charger?

2) What is the purpose of the middle contact?

Thanks in advance for any help with this.
 

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