The OEM Fujifilm NP-W235 can currently be found discounted on Amazon. It seems the plentiful amount of third-party options is driving the price down on Amazon at least since other retailers do not have similar pricing at this time. Third-party batteries are often much less expensive than OEM batteries, but OEM batteries work more reliably. For instance, I have a few third-party batteries for my X-T4 that work well, but the camera seems to go from full to empty without warning when the batteries get to around 50% even if the camera will still function for a few more hours.
The Fujifilm NP-W235 works with GFX100S, GFX50S II, and Fujifilm X-T4 cameras.
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