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Cityman

M9 battery issue

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Hi

 

For a week already I am not able to charge the battery past 50%. The charger indicates that charging was completed ( = both lights are on) while the camera shows 50%.

 

Has anyone had this problem or has any suggestions?

 

-Dan

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How new is the battery? Is it the one that came with the M9, or a former M8 battery?

 

If it's an older reused M8 battery, it may just have hit the end of its life. About 300 cycles or 3-4 years total life is about what one gets from a Li-ion battery.

 

If it is a brand-new M9 battery (just out of the box) it may need a couple of full-discharge cycles to get it calibrated.

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Best to discharge it fully (Auto-off disabled and leave it in the camera switched on overnight). Then recharge it. Is this a third-party battery? There this behaviour is the norm.

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yes- i grabbed some cheap third party batteries from Hong Kong. I have found they can be erratic- sometimes showing no charge when they are in fact full- and other issues. I depleted each one completely and then found they behaved better. I also had the same problem with the new m9 battery on one occasion- but after I fully discharged it it also worked fine.

 

does anyone know of a way to discharge the battery without using the camera?

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How new is the battery? Is it the one that came with the M9, or a former M8 battery?

 

If it's an older reused M8 battery, it may just have hit the end of its life. About 300 cycles or 3-4 years total life is about what one gets from a Li-ion battery.

 

If it is a brand-new M9 battery (just out of the box) it may need a couple of full-discharge cycles to get it calibrated.

 

It's a brand new battery that came with the M9.

 

I'll give the discharge a try.

 

Thanks,

 

-Dan

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