Power fact sheet

Battery & charger for your OM System Stylus 1s

Compact camera

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

Battery: BLS‑50 (7.2 V)
Note on the battery: The BLS‑50 is supplied; according to OM Digital Solutions, the BLS‑5 also fits (same shape, slightly less capacity). Charging is done in the BCS‑5 charger.
Shots per battery charge: approx. 450 (CIPA)
Charging in the camera: No – the battery is charged in the supplied charger BCS‑5; OM System does not mention a USB charging function for this camera
Memory cards: SD (UHS‑I)
Weight: approx. 402 g with battery and memory card

Measurement conditions according to OM System: CIPA standard, supplied BLS-50 battery; one figure, not split by monitor and viewfinder.

Sources (3) · retrieved on 01/10/2026

OM System and Stylus 1s are trademarks or product names of their respective owners. Baxxtar is an independent brand and is not affiliated with OM System – the names only show which camera our products fit.

Battery check for your camera

Which Baxxtar battery fits?

According to OM System, the OM System Stylus 1s uses the BLS‑50 battery. The Baxxtar BLS‑5 fits – as a single battery, in a twin pack and in a set with a charger.

Baxxtar BLS‑5: 1100 mAh · 7.4 V · 8.1 Wh

View matching batteries & sets

Not your camera? Choose another model

Baxxtar BLS-5 battery, compatible with the OM System Stylus 1s

Switching cameras

Your Baxxtar BLS‑5 also fits …

According to our compatibility list, the Baxxtar BLS‑5 also fits these 13 cameras. If you switch to one of them, you can keep using your Baxxtar batteries and charger.

OM‑D E‑M10
OM‑D E‑M10 Mark II
PEN E‑P3
PEN E‑PL1
PEN E‑PL2
PEN E‑PL3
PEN E‑PL5
PEN E‑PL6
PEN E‑PL7
PEN E‑PL8
PEN E‑PM1
PEN E‑PM2
Stylus 1

Battery planner

How many batteries do you need?

Set how much you photograph in a day – the planner works with the figures from OM System for the Stylus 1s.

Photos per day 800 Allow for a reserve – one extra batteryAccording to OM System, battery life is shorter in the cold, with frequent zooming, with frequent focusing by pressing the shutter button halfway, with long image display on the monitor and when connected to a computer or printer.

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. 450 shots per battery charge (CIPA figure from OM System for the Stylus 1s, a standardised comparison test). According to OM System, the actual runtime depends on the conditions of use; we have not measured these figures with Baxxtar batteries.

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