Backup power for when you need it: With the Koah PRO Panasonic DMW-BLF19 Two-Pack Rechargeable 2000mAh Battery and Dual Charger you can be sure you always have enough power to make it through the shoot. Durable Construction: Premium Japanese cells ensure longer battery life with no effect on memory. The included batteries in the Koah 2-Pack 2000mAh Rechargeable Li-Ion Battery Kit with Dual Charger are durable spares or replacements for the original Panasonic DMW-BLF19 camera batteries. Voltage and Charge: The batteries in the Koah 2-Pack 2000mAh Rechargeable Li-Ion Battery Kit are rated at 7.2V and 2000 mAh for a longer run time and fast charging. These powerful batteries will last longer and allow you more time on your photography shoot. Included in Box: The Koah 2-Pack 2000 mAh Rechargeable Lithium-Ion Battery Kit for Panasonic DMW-BLF19 with Dual Charger includes two replacement batteries for the Panasonic DMW-BLF19. It also features a USB plug-in portable charger in the box.