ULTIMAXX Replacement battery for Sony NP - FZ100 - 2500 mah (x2) Short Description Increase your shooting capacity with this powerful NP-FZ100 Lithium-ion rechargeable battery for Sony digital cameras. This spare high-capacity NP-FZ100 rechargeable battery is Memory Free. It can be charged at any time without harm, even if it already has a partial charge, and can be typically charged over 1000 times. Compatible Cameras Alpha a9 Alpha a7R III Alpha a7 III