Amazon.com: BM Premium 4 NP-FZ100 Batteries for Sony Alpha 1, ZV-E1, FX3, FX30, a7C, a7S III, a6600, A7R III, a7R IV, a7R V, a7 III, a7R IIIA, a7 IV, a9, Alpha a9
AlphaCell 3.5 and 4.0HP Pure Lead Top Terminal Batteries
Alpha Technologies LTD - 4.0HP, 12V, 114aH 20hrs, AGM Pure Lead Battery - 1810078 - Tessco