Attach and lock the battery grip. Insert the battery grip in the camera and turn the release dial to lock it in place. Remove the battery magazine. Caution. When reattaching the battery compartment cover to the camera, attach it opened to at least 90°. Do not touch the camera or battery grip contacts.
It takes approx. 2.5 hours to fully recharge a completely exhausted battery at room temperature (23C / 73F). The time required to recharge the battery will vary greatly depending on the ambient temperature and the batterys remaining capacity.
Battery Life: A spare battery is wise to have. The Canon PowerShot SX740 HS’s rechargeable battery pack is rated at 265 shots per charge, and in our testing, it depleted after just a few hours of shooting. When traveling on vacation, it would be wise to have a few battery backups so you don’t have to wait for it to recharge every time.To sum up, the Canon M50’s battery life is rated to last 235 shots per charge. The battery takes around 2 hours and 30 minutes to charge fully from empty to 100%. You can charge the battery using the provided charger, USB cable, or by connecting the camera to a power outlet while it’s off. Method.
The supplied BP-955 and optional BP-975 Battery Packs are not compatible with previous Canon camcorder models. We recommend charging the battery pack in temperatures between 10 o C and 30 o C (50 o F and 86 o F ). Outside the temperature range of 0 o C to 40 o C (32 o F to 104 o F), charging will not start. Use of genuine Canon accessories isThere's nothing consuming the battery unless you are shooting so it should last as long as its shelf life. On latter models you have an "integrated" flash (hehe see what I did there) and the battery charges those capacitors but that connection is cut if the camera is closed I think so that you don't constantly charge them and therefore consume . 758 577 200 32 642 835 936 543