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Which battery does the Fujifilm X-E4 take?

The Fujifilm X-E4 is a digital mirrorless interchangeable lens camera that features a 26MP sensor. It is powered by the Fujifilm NP-W126S, which is a rechargeable Lithium-Ion battery pack. Lithium-Ion batteries offer a high energy density and low self-discharge, and are nowadays found in many portable electronic devices.

Battery Pack

The NP-W126S operates at a voltage of 7.2V and has a capacity of 1260mAh. It can be charged from a standard electrical outlet via the Fujifilm BC-W126 charger (that can be purchased separately, for example, at amazon). The battery pack measures 47mm in width, 15mm in height, and 36mm in depth. It weighs 51g. The NP-W126S has been on the market since July 2016 and sells at good camera retailers, such as amazon, for about $70. Generic alternatives (see below) that are compatible with the Fujifilm X-E4 can be obtained at substantially lower cost.

It is noteworthy, that the Fujifilm X-E4 supports internal charging of its battery pack via the USB port. This feature can be particularly useful when travelling, as one can re-charge the camera battery simply by plugging a USB cable into one's laptop, rather than carrying a separate battery charger along.

What is the difference between the NP-W126S and the NP-W126?

The Fujifilm NP-W126S was preceded as a battery pack for digital cameras by the NP-W126. Both types operate at a similar voltage and are fully interchangeable, so that the NP-W126 can also be used with the Fujifilm X-E4. The main difference between the two packs is their internal circuit design. The newer battery pack has less internal resistance and, thus, less energy loss from internal heating. It will therefore last longer on a single charge and be less prone to overheating.

How many shots can I take with a fully charged NP-W126S?

The number of shots that one can get out of a battery pack depends heavily on the style and imaging practice of the photographer. For example, the extended use of the LCD screen for framing or reviewing will result in reduced battery performance.


The Camera & Imaging Products Association (CIPA) has established guidelines (click here to download the pdf-document) that manufacturers are supposed to respect when reporting the battery life of their cameras. According to this CIPA-rating, the Fujifilm X-E4 can take 380 images on a single charge. Given the relatively demanding energy usage of the CIPA procedures, this rated number should be achievable or be surpassed in most practical situations. However, if the environment is cold, the LCD screen is used heavily, or the camera is turned on and off frequently, battery mileage might drop below the rating. Also, as the battery pack ages, its performance will tend to deteriorate.

What about generic battery packs?

Fujifilm sells the original NP-W126S pack at quite a steep price. This premium pricing strategy has left room in the market for third party suppliers to offer fully compatible battery packs at much lower prices. Savings from buying generic replacement batteries can amount up to 70 percent of the price of the genuine battery pack.

Fujifilm NP-W126S Specifications

  • Battery type: Rechargeable Lithium-Ion power pack
  • Compatibility: Fujifilm X-E4 & other selected Fujifilm cameras
  • Voltage: 7.2V DC
  • Capacity: 1260mAh or 380 shots (CIPA) with the Fujifilm X-E4
  • Dimensions (W x H x D): 47 x 15 x 36mm
  • Weight: 51g

Indeed, one can easily find a variety of competitively-priced NP-W126S replacements from different vendors at major online platforms (see, for example, here on eBay). All these generic alternatives should work fine with your Fujifilm X-E4. So why would anybody then buy the more expensive original battery? Well, below are some arguments in favor of the genuine NP-W126S, which can perhaps be summarized as "peace of mind":

  • Assurance that the warranty of the camera will not be rendered void if a battery-related failure occurs;
  • Assurance that the battery pack will indeed have the stated capacity;
  • Assurance that the battery will have low self-discharge rates and, thus, will hold its charge even when not in use;
  • Assurance that the power unit will not trigger any warning messages on the camera and can be effectively charged with the standard charger;
  • Assurance that the manufacturing process has respected the safety guidelines for Lithium-Ion batteries;

If you can live without these assurances, then you are in for some nice savings from buying generic replacements for the NP-W126S. Unfortunately, the market for generic battery packs is rather fluid, with new trade names popping up regularly while others disappear. Hence it is difficult to keep track of all the suppliers and the quality of their products. That said, in North America, battery packs from Wasabi have gained a good reputation, while in Europe, replacement power packs from Patona have received many favorable reviews. In any case, the existing comparisons tend to find that the cheapest of the generic replacement packs score worse in terms of achieving their rated capacity, holding their charge over time, or allowing for a large number of charge-discharge cycles than somewhat pricier battery packs (or the genuine Fujifilm offer). Thus, the old adage, "If the price sounds too low to be true, it probably is" has some merit with respect to camera batteries also. You can check the current offers and prices for the original NP-W126S and its clones by using the buttons below.

ebay amazon

Which other cameras use the Fujifilm NP-W126S or the NP-W126?

The Fujifilm X-E4 is not alone in using the NP-W126S or the NP-W126. Several other cameras from Fujifilm are powered by the same type of lithium-ion pack. The adjacent table lists some of them along with a selection of their headline specifications.

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Cameras using the NP-W126S or the NP-W126
# Camera
Battery life
Sensor Size
Launch Price
Street Price
1Fujifilm X-A1NP-W126350APS-C16.0330Sep 2013399i
2Fujifilm X-A2NP-W126410APS-C16.0350Jan 2015399i
3Fujifilm X-A3NP-W126S410APS-C24.0339Aug 2016399i
4Fujifilm X-A5NP-W126S450APS-C24.0361Jan 2018399i
5Fujifilm X-A7NP-W126S440APS-C24.0320Sep 2019499i
6Fujifilm X-A10NP-W126S410APS-C16.0331Dec 2016399i
7Fujifilm X-E1NP-W126350APS-C16.0350Sep 2012999i
8Fujifilm X-E2NP-W126350APS-C16.0350Oct 2013999i
9Fujifilm X-E2SNP-W126350APS-C16.0350Jan 2016699i
10Fujifilm X-E3NP-W126S350APS-C24.0337Sep 2017899i
11Fujifilm X-E4NP-W126S380APS-C26.0364Jan 2021849i
12Fujifilm X-H1NP-W126S310APS-C24.0673Feb 20181,899i
13Fujifilm X-M1NP-W126350APS-C16.0330Jun 2013699i
14Fujifilm X-Pro1NP-W126300APS-C16.0450Jan 20121,699i
15Fujifilm X-Pro2NP-W126350APS-C24.0495Jan 20161,699i
16Fujifilm X-Pro3NP-W126S440APS-C26.0497Oct 20191,799i
17Fujifilm X-S10NP-W126S325APS-C26.0465Oct 2020999i
18Fujifilm X-T1NP-W126350APS-C16.0440Jan 20141,699i
19Fujifilm X-T2NP-W126S340APS-C24.0507Jul 20161,599i
20Fujifilm X-T3NP-W126S390APS-C26.0539Sep 20181,499i
21Fujifilm X-T10NP-W126350APS-C16.0381May 2015799i
22Fujifilm X-T20NP-W126S350APS-C24.0383Jan 2017899i
23Fujifilm X-T30NP-W126S380APS-C26.0383Feb 2019899i
24Fujifilm X-T30 IINP-W126S380APS-C26.0383Sep 2021899i
25Fujifilm X-T100NP-W126S430APS-C24.0448May 2018599i
26Fujifilm X-T200NP-W126S270APS-C24.0370Jan 2020699i
27Fujifilm X100FNP-W126S390APS-C24.0469Jan 20171,299i
28Fujifilm X100VNP-W126S420APS-C26.0478Feb 20201,399i

Fujifilm NP-W126S FAQ

The NP-W126S is the standard power source for the Fujifilm X-E4. As such it is an indispensable camera accessory. Below are some additional questions and answers concerning some particular aspects of the battery pack and Lithium-Ion power units more generally.

Is there a car charger available for the NP-W126S?

Fujifilm does not offer a travel charger, but third party suppliers do (see here on eBay).

Is the NP-W126S available in colors other than black?

No, Fujifilm supplies this battery pack only in black. However, some generic alternatives from third party providers might be available in other colors.

Can I use the NP-W126S in any of my other electronic devices?

No, the battery is specifically designed for use in the Fujifilm X-E4 and other selected cameras from Fujifilm.

How should the NP-W126S be stored?

Lithium-ion batteries can hold a charge for a long time. However, these battery packs have a safety mechanism built-in that disables any re-charge if the voltage drops below a certain minimum level. To avoid this safety-trigger to be activated, the battery pack should be charged at least once every few months.

How should I discard my old battery pack?

The contents of Lithium-Ion batteries is under pressure and the packs can explode if exposed to extreme heat. Lithium-Ion battery units should therefore never be incinerated and should not be thrown into the household trash, but put into the recycling stream. Most places that sell camera batteries will also accept them back for recycling.

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