The Canon NB-10L is a rechargeable lithium-ion battery designed to provide reliable power for several PowerShot camera models. With a capacity of 920 mAh and a voltage of 7.4 V, it delivers 6.8 Wh of energy to keep your device running during photo shoots. This compact power cell is specifically compatible with the SX40 HS, SX50 HS, SX60 HS, G15, G16, and G3X, making it a practical spare for photographers who spend long days outdoors and need to swap batteries quickly to avoid missing a shot.