On 27/06/2014 11:59, David.WE.Roberts wrote:
I have an 'Energizer' brand replacement battery for my Nikon camera.

Model ENEL9
Li-ion 7.4v 1000mAh (7.4Wh)

Left it in the camera unused too long and it is flat and won't charge.

If they get too low voltage then the self protection won't let you try
to recharge it. A better outcome than having it explode or catch fire.

Anything obvious I can do to revive it, or just dispose of and replace?

I still have the original battery so the camera is working.

Cheers

Dave R



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Regards,
Martin Brown