Amazon.com : Sony NP-BK1 Type K Rechargeable Li-Ion Battery Pack for Sony Webbie Camcorder, S780 & S750 Digital Cameras - Retail Packaging : Electronics
7.4Volt USB 6600mAh Li-ion Battery For Sony NP-F960 NP-F970 NP-F980 Camera | eBay
Insten 316572 3.7 VDC 900mAh Rechargeable Li-ion Battery For Sony NP-BN1; White - Walmart.com
Ulanzi Sony NP-F550 Type Lithium-Ion Battery with USB-C Charging Port – ULANZI