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The Sony NP-FW50 Lithium-Ion Rechargeable Battery powers Alpha and NEX mirrorless systems. With a 1020mAh capacity and 7.2V output, it sustains camera operation for hundreds of frames. This 42.5g W-series cell syncs with camera firmware to track energy consumption accurately.
Key Features
- InfoLITHIUM Communication: Relays precise power data to the camera's internal processor. LCDs show exact percentages.
- Zero Memory Effect: Permits recharging at any capacity level without degrading the lithium-ion cell. Charge anytime without loss.
- 1020mAh Energy Density: Supplies 7.3Wh of power for approximately 300 still images. Covers most half-day shoots.
- Compact W-Series Form: Weighs 42.5g with dimensions of 31 x 18.5 x 45 mm. Reliable in high-humidity sessions.
- 8.4V Max Charge: Accepts 1.02A current for fast replenishment cycles. Full charge in two hours.
Frequently Asked Questions
How long does the Sony NP-FW50 battery last?
A full 1020mAh charge typically supports 250 to 400 still images. High EVF usage or frequent video recording reduces this runtime significantly.
Is the Sony NP-FW50 compatible with A7III?
No, the A7III requires the larger NP-FZ100 battery pack. This W-series model fits earlier generations like the A7, A7R, and A6000 series.
