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This is an article that which is published by a digital camera user on a bolg that describing how to resolve the battery alarm issue of cannon digital camera, I believe this may be helpful for some people, so I republish it here for you.
I used to be have a Canon A200 (200 million pixels) which is using a 2 V battery many years ago. But the trouble of this digital camera is that the battery alarm, unable to boot-strap.
The major reasons are:
1. Ni-MH battery self-discharge. Self-discharge is serious, the battery baven’t been used for some time, resistance is greater, a number of voltage drop, the camera will not crash on opening.
2.Battery alarm is caused by the self-reson of camera. Some people say that this is the design of Canon cameras, I would like some of the reasons for it, Canon’s camera really is designed for alkaline batteries. However, at the situation of low voltage, the current of camera is too much, for various reasons (such as contact resistance) are caused by the bad use of rechargeable batteries. In fact, the most suitable for this camera should be used in alkaline batteries (it should be said that the camera is designed for alkaline batteries, ordinary alkaline batteries in general as well), 1.5V Voltage, 2 3V. Ni-MH battery only a 1.2V, it is much lower.
To solve the problem:
It is best you change the camera, replaced with one using lithium battery, 3.7V, but this is unrealistic, I am not rich.
High-voltage lithium, small current, the impact of contact resistance will be smaller;
Low self-discharge of lithium, put it out of using for some time, there is nothing spoilage. This is very important.
Then let’s make a fake battery, which it installed a diode buck! Become equivalent to the market 3V lithium power. OK, hands started to do so, a battery 14500 lithium-hole mounted (DLG, and failed to protect the plate, only 3.6V, 700mAH), another hole pretend cell batteries (LED).
There are no protruding battery, not fitted, then solder a small bump.
It’s very difficult to make the fake batteries, I had made one, but it’s a string of two diodes, have 1.1V drop, but I am feeling good. In general much better than used to be, the battery alarm issue is done and the situation that can not open the camera have not happened again.
Related sponsor link: CANON NB-1LH battery, canon nb-2lh battery, canon bp-511 battery
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