Battery Charge error

posted by Lak_69 on May 13, 2008

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Hi,
I purchased a Casio EX-Z40 a few years ago and recently the camera keeps on shutting down by itself when switched on.
When I try to switch it back on again, sometimes it works and sometimes it doesn’t.
I showed it to somebody and he said that battery is overcharging to around 4.2v when it should be 3.7v and he said I should buy new battery.

I have now purchased a new NP-40 Lithium ION battery (3.7v 1230mAh) and tried to charge it using the USB cradle supplied with the camera.
However when charging the new battery the ‘charging’ light keeps on flashing on & off when it should be constantly red.
I then tried the old battery and the same thing happens ie charging light flashing on & off.

The manual says it’s a ‘charge error’………………so is there a problem with the USB cradle or camera itself?

Any help will be greatly appreciated.

Comment by Lak_69, posted on May 14, 2008

Thanks Allan for the response. When I purchased the camera a few years ago it came with a Casio Exilm NP-40 battery and has been working brilliantly without problems, until recently. So I am confused as to why I now need to change to a NP-20 battery?

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posted on May 13, 2008

Agent Allan

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Guru
Rating: 86%, 241 votes

Hey Lak_69,
One problem I know of is the battery for your camera should be model NP-20 not model NP-40. The NP-20 has 650mAh. I would exchange your new battery for the correct model battery, and see if this works. If this doesn't work I would try cleaning the battery terminals in the camera, and if that doesn't work go ahead and try a new charger.

Sincerely,
Allan
Go Ahead. Use Us.

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