Power fact sheet

Battery & charger for your Sony Alpha 100 (DSLR-A100)

Digital SLR camera

Information from Sony on battery, charging and memory cards – as of 01/10/2026.

Battery: NP‑FM500H (7.2 V)
Note on the battery: The NP‑FM55H was supplied; Sony lists the NP‑FM500H and NP‑FM55H in the specifications. With the NP‑FM500H, the α100 does not show the remaining charge as a percentage; the NP‑FM50 and NP‑FM30 cannot be used.
Shots per battery charge: approx. 750 (CIPA)
Charging in the camera: No – the battery is charged in the supplied charger BC‑VM10; Sony does not mention charging in the camera
Memory cards: One slot: CompactFlash (Type I/II) or Microdrive; Memory Stick Duo via the supplied adapter AD‑MSCF1
Weight: body only approx. 545 g (without battery, memory card and accessories)

Measurement conditions according to Sony: CIPA standard, 25 °C, supplied battery (NP-FM55H) fully charged, quality ‘Fine’, automatic AF, one shot every 30 seconds, flash on every second shot, switched off and on again after every ten shots.

Sources (5) · retrieved on 01/10/2026

Sony and Alpha 100 are trademarks or product names of their respective owners. Baxxtar is an independent brand and is not affiliated with Sony – the names only show which camera our products fit.

Battery check for your camera

Which Baxxtar battery fits?

According to Sony, the Sony Alpha 100 uses the NP‑FM500H battery – Baxxtar offers it as a single battery and in a twin pack.

Baxxtar NP‑FM500H: 2600 mAh · 7.2 V · 18.7 Wh

View matching batteries & sets

Not your camera? Choose another model

Baxxtar NP-FM500H battery, compatible with the Sony Alpha 100

Switching cameras

Your Baxxtar NP‑FM500H also fits …

According to our compatibility list, the Baxxtar NP‑FM500H also fits these 20 cameras. If you switch to one of them, you can keep using your Baxxtar batteries and charger.

Alpha 57
Alpha 58
Alpha 65
Alpha 68
Alpha 77
Alpha 77 II
Alpha 99
Alpha 99 II
Alpha 200
Alpha 300
Alpha 350
Alpha 450
Alpha 500
Alpha 550
Alpha 560
Alpha 580
Alpha 700
Alpha 850
Alpha 900
Hasselblad HV

Battery planner

How many batteries do you need?

Set how much you photograph in a day – the planner works with the figures from Sony for the Alpha 100.

Photos per day 800 Allow for a reserve – one extra batteryAccording to Sony, battery life is shorter at low temperatures, with frequent use of the flash, frequent switching on and off and with continuous AF.

Guide value

2battery charges

Battery in the camera + 1 spare battery – for example, the single battery.

A guide value, not a guarantee: based on approx. 750 shots per battery charge (CIPA figure from Sony for the Alpha 100, a standardised comparison test). According to Sony, the actual runtime depends on the conditions of use; we have not measured these figures with Baxxtar batteries.

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