The Canon CB-2LH Battery Charger for G7 X Digital Camera 9840B001 is specially designed to charge the batteries. It helps in charging the rechargeable NB-13L lithium ion batteries. The design of this battery charger is perfect to hold the battery. Its quick charging capability aids in charging the battery at a faster pace. In other words, this saves the professional photographer with more time that can be spent in the field. This device is also as reliable as its greater functionality.