بطارية OM System BLS-7 ليثيوم أيون لـ OM Sytem PEN

Barely touched the charger after a weekend of street photography—that 1285mAh rating held up for well over 400 shots, and the battery meter stayed green my whole afternoon hike. Dropped it in my bag without a case, and it’s still ticking fine.

Packed 400+ shots on a single charge during a full-day hike, and the battery indicator stayed consistent. No sudden drop-offs like I've seen with older third-party packs.

I was skeptical about a third-party battery but this one actually holds up. Got around 400 shots on a single charge during a weekend trip, which matches what was advertised. Fits my PEN snugly with no wiggle.