Replace or back up your Sony NP-BX1 battery with the Koah Rechargeable Lithium-Ion Battery Pack for Sony NP-BX1 with Focus Camera QC-105 Battery Charger. This battery pack works with all cameras with which the NP-BX1 is compatible. What's more, it comes with the QC-105 Battery Charger, which will also charge the original NP-BX1 battery.Combination Battery Pack and Charger Compatible with SonyThe Koah Rechargeable Lithium-Ion Battery Pack for Sony NP-BX1 is a spare or replacement 3.6V, 5.8Wh, 1600 mAh battery that replaces the original Sony NP-BX1 battery pack. This package includes the Focus QC-105 Battery Charger, a mini rapid AC charger compatible with Sony NP-BX1.Works with Original BX1 Battery from SonyThis combo pack is fully compatible with the original Sony battery and charger. The rechargeable li-ion battery pack works with the original Sony charger, and the Focus Camera QC-105 charger works with the original Sony NP-BX1 battery.Foldout U.S. Compatible PlugThe Focus Camera QC-105 Charger features a foldout U.S. plug with a 110 to 240 V input voltage. This makes it highly compatible with any United States equipment.Note: This Koah NP-BX1 kit does not have a USB compatible battery or charger.Wide Compatibility with Other OutletsIn addition to the built-in foldout U.S. plug, the set comes with two accessories: a 12V car charging adapter and a European adapter plug are included in the box. This makes the set compatible with European outlets and allows more versatility on the road.