My Canon SX10 was instantly displaying a message to "replace the batteries" the first time I tried to take a picture, even after replacing the AA's with new adn verified strong AAs. I was almost ready to give up when I heard that it might have to do with the coin backup battery and not because of the AA's. I replaced with new CR1220 and that solved my problem.
I have found the cheapest Canon NB-4L battery online. NB-4L is a rechargeable Lithium-ion battery pack for Canon PowerShot models SD200 and SD300 ... Power 2000 RTC101 Mini Rapid Charger Canon NB-4L .
The power requirements for the Canon CB-2LV battery charger are AC 100 - 240V, 50-60Hz. The dimensions of this battery charger are 2.1 x 3.4 x 0.8" and the weight is 2.1 oz.
If you have the battery out of the unit then just match up the voltage with a simalar size battery. This is usaully cheaper. Everything is written on the battery.
DSLR cameras consume a lot of energy, so you'll want to buy a Canon battery as a spare. The batteries takes several hours to charge, so an extra will ensure you don't run out of power. If you find yourself running low on battery power often, consider adding a grip that holds two batteries at a time to double your power.
You can replace a Panasonic NiMH (Nickel-Metal Hydride) battery with a similar Duracell NiMH battery of the same size and with the same voltage and power output.
Its a Power Surge When you attach the new battery.
Steps to opening the Canon Powershot: 1. Read the manual, insert battery and memory card. Be sure both the battery and memory card are of a compatible type as found in the manual. 2. Search the Basic Guide to find where the power button is located. 3. Press the power button to open the Powershot.
Ensure the device is switched off. Then, remove the battery cover. Remove the old battery from the device and replace it with a new one. Replace the cover and power back up to ensure the new battery is working.
Check headlights and dashboard lights first. If no/minimal power for the lights then replace battery.
There are a number of different websites that offer Canon power shot battery chargers for a variety of prices. Amazon sells it for three hundred dollars while Best Buy has it for a different price.
One can buy a Canon Power Shot from RadioShack, Canon, and Best Buy. One can also buy a Canon Power Shot from B&H Photo-Video, Amazon, OfficeMax, and Sears.
Either the battery has a dead cell, which will require you to replace it, or something is on pulling power from the battery. Disconnect the negative cable and leave it off overnight. If the battery is dead the next morning the battery is defective. If not, then find out what is pulling power from the battery. Ignition switch may be defective.