JJC Li-ion Battery Pack functions the same as the original battery pack it replaces . The battery fits and works perfectly with the applicable cameras. The li-ion battery from JJC is manufactured by high quality battery core, has the advantages of sufficient electricity, long duration, long life span. For every battery, we use strict quality control technology and 72hours aging test to make sure every battery is safe and reliable. Li-ion chemistry allows you to charge your battery as much or as little as you need without any memory effect. Each battery comes with a water-resistant battery case to allow you store the battery when not in use. In this way, the contacts of the battery will be away from dust and moisture, thus prolonging the service life.