identify terminals of a 4 terminal battery? Answered
i have an old mobile phone with a 4 terminal battery
the end terminals are labelled "-" and "+" but the middle ones are labelled as "CF" alongside negative terminal and "VF" labelled alongside positive terminal.
what do these two terms mean and why are they there?
battery is 350mAh 3.7V battery.
i dont have a multimeter but i checked the resistances between terminals (using an LED) as
terminals LED brightness Remarks
+ & - (more than normal brightness ) no resistance
+ & VF ( normal brightness) some resistance
+ &CF (less bright ) more resistance
in the image from top to bottom alongside golden color terminals labelling is as
- (in picture as P-)
+ (in picture as P+)