Canon G10 PowerShot G10 Camera User Guide - Page 257

255 z Do not allow any metal objects such as key rings to touch the ( ) and ( ) terminals (Fig. A). To carry the battery or store it during periods of disuse, always replace the terminal cover (Fig.B). These conditions can damage the battery. You may be able to check the charge state depending upon how the terminal cover is attached (Fig. C, D). Fig. A Fig. B Fig. C Fully Charged Battery Fig. D Used Battery Appendix Attach it so the is visible. Attach in the opposite way of Fig. C. z You are recommended to use it in the camera until it is depleted and to store it in an indoor location with low relative humidity and between the temperatures of 0 - 30 °C (32 - 86 °F). Storing a fully charged battery for long periods of time (about one year) may shorten its life cycle or affect its performance. If you do not use the battery for long periods of time, charge it fully and discharge it in the camera about once a year before returning it to storage. z Since this is a lithium-ion battery, you need not deplete it before recharging. z You are advised to charge the battery on the day of use, or one day before, to ensure a full charge. Even charged batteries continue to discharge naturally.