The options in terms of third party batteries are substantial and often also of respectable quality.

So far this year the best selling gear on FujiRumors was the new SmallRig NP-W235 (which I own too).This battery is made of top materials of Li-ion cells that have been safely certified by RoHS, CE, FCC and tested through repeated simulated work and commissioning before they are shipped from the factory. On the other hand, its specifications are based on the original standards such as appearance, interface type, body size, capacity, voltage, charging current and voltage, etc. Is it real Fujifilm NP-W235 compatibility information? fujirumors.com – TESTED: Third Party Fuji Batteries? “Inflated capacity values. Some batteries almost Fraud!”… and the Winner is…? Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.

The Viltrox TNP-W235 seems to use the same interface with a built-in USB-C port for direct charging and also the same power (2400 mAh). Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body. Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens. Viltrox is going to launch its own NP-W235 third party alternative battery for the Fujifilm X and GFX system, called TNP-W235, as reported at the Chinese Weibo account 独立摄影师联合会.Lenses – Should have no marks on the elements andoptically clear. There may be light dust present that will not effect theimagery. This product information is fully applicable to the Fujifilm series compatible batteries, "Fujifilm battery NP-W235". fujirumors.com – JJC is offering a practical (and cheap) dual USB battery charger for Fujifilm NP-W126/S batteries For FUJIFILM X-T4 Will this battery have any safety risks? What is the quality of the Fujifilm NP-W235 compatible battery?