2x Pack - Sony Cybershot DSC-RX100/B Battery - Replacement for Sony NP-BX1 Digital Camera Battery (1240mAh, 3.7V, Lithium-Ion) Replacement Sony Cybershot DSC-RX100/B Battery Replacement for Sony NP-BX1 Digital Camera Batteries Quantity: 2, Lifetime Warranty Capacity: 1240mAh, Upstart Battery Brand On Sale for a Limited Time!