what is the PCB cut off voltage on the panasonic 3400's

Minos2014 · Jul 18, 2014

Hi , Friend

Do you know what is the PCB cut off voltage on the panasonic 3400's ?
Is 3.7v ? or 4.2v

RI Chevy · Jul 18, 2014

The cells in your photo look like unprotected cells. They have no IC attached to the bottom of the cell. I would imagine that the cut off would be about 2.5v's, seeing that the cells are good down to that point.

Minos2014 · Jul 18, 2014

RI Chevy said:
The cells in your photo look like unprotected cells. They have no IC attached to the bottom of the cell. I would imagine that the cut off would be about 2.5v's, seeing that the cells are good down to that point.

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Thanks . RI Chevy

What if they all with PCB protected ? What is the cut off voltage on the panasonic 3400's with PCB protected ? Is the same or different ?

Bullzeyebill · Jul 24, 2014

It would depend on the protection circuit that the distributor/seller applied to the cell. Cut off voltages may vary.

Bill

Richwouldnt · Jul 24, 2014

So far as I know Panasonic does not make protected batteries. The protection circuits are added by the wholesale distributors and secondary manufacturers who add them and then rewrap the cells with their own name on the outer wrapper. If you visit a web site such as Orbtronic's they state which of their cells use Panasonic batteries. The majority of the high end 18650 protected batteries used in flashlights are based on using Panasonic unprotected base batteries.

what is the PCB cut off voltage on the panasonic 3400's

Minos2014

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