the right side of the RDC-525, below the LCD.

3.Remove the old battery, if necessary, and insert the new one with the positive (+) side facing up.

4.Replace the battery cover. Warning! If the battery wears out completely, or if you take more than a few seconds while changing the battery, any user-entered information will be erased. You should always keep written copies of your important information.

Battery disposal: Do not dispose of batteries with normal household waste. Please obey your local regulations when disposing used batteries.

Battery Precautions

Non-rechargeable batteries are not to be re-charged. Never recharge batteries that come with the device;

Rechargeable batteries are to be removed from the device before being charged;

Rechargeable batteries are only to be charged under adult supervision;