Power fact sheet

Battery & charger for your Sony Alpha 57 (SLT-A57)

Interchangeable-lens digital camera

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

Battery
NP‑FM500H (7.2 V)
Shots per battery charge
approx. 590 using the monitor · approx. 550 using the viewfinder (CIPA)
Charging in the camera
No – according to Sony, the charger BC‑VM10A is included; Sony does not mention charging in the camera
Power via USB
Sony does not mention power supply via USB; mains power with the power adapter AC‑PW10AM (available separately)
Memory cards
One slot: SD/SDHC/SDXC or Memory Stick PRO Duo/PRO‑HG Duo
Weight
approx. 618 g with battery and memory card (body only approx. 539 g)

Measurement conditions according to Sony: CIPA standard, according to Sony (no further measurement conditions given).

Sources (3) · retrieved on 01/10/2026

Sony and Alpha 57 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 57 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 57

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.

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 57.

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. 550 shots using the viewfinder per battery charge (CIPA figure from Sony for the Alpha 57, 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.

Products

Baxxtar NP‑FM500H for the Alpha 57

Batteries, chargers and sets that fit the Alpha 57 – buy on Amazon.

Batteries

2 products

Chargers

1 product

A bag for the camera? Our bags fit by interior dimensions – go to the bag guide.

Amazon Store

All things Baxxtar Energy

Current prices and reviews – in the official Baxxtar Store on Amazon.

Visit the Baxxtar Amazon Store