Theo&Cleo 2-Piece 1600mAh NP-BX1 NPBX1 Battery for SONY Cyber-Shot DSC-RX100 RX100 Camera Capture the perfect moment and enjoy yourself without considering your Sony NP-BX1 running out of battery power This lithium-ion battery is a great companion on trips for shooting Perfect to use as a backup or as a replacement for your original battery with premium cell It features lithium technology, which ensures maximum battery life and maximum power Gives an optimal performance at unbeatable prices