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It really depends on the camera. Some cameras really eat up batteries while others are excellent, like 500 shots for a point and shoot. Using LCD screen will quicken the life of a battery.
I think you need rechargeables batteries if the camera uses AA batteries.
It depends which country you are travelling from! You may need a plug head adapter thing.
Also I think your charger is dual voltage (110 and 220) which should be OK.
If they fit and appear to work, you might get away with it for a short time, but that's all they will last. The CRV3 batteries cost a lot more, but last a lot longer.