Sony NP-FW50 W-Series Rechargeable Battery
Short Description
The Sony NP‑FW50 is a compact W‑Series Lithium‑Ion rechargeable battery designed for Sony’s mirrorless Alpha (E‑mount) and NEX cameras. Known for its lightweight design and reliable power delivery, it supports real‑time remaining battery display on compatible cameras and does not suffer from memory effect.
Key Features
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Real‑time power monitoring: The camera displays the remaining capacity, ensuring better planning during shoots.
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No memory effect: Can be charged or discharged at any time without degrading performance.
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Lightweight and pocketable: Facilitates easy carrying for mirrorless workflows.
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Broad camera compatibility: Fits numerous Sony models such as NEX‑3, NEX‑5/5N/5T/6/7; Alpha A33/A55; A3000, A5000, A5100, A6000, A6300, A6500; A7 series (including A7, A7R/RII, A7S/SII); and Cyber‑Shot RX10 I/II.
Specifications
| Specification | Details |
|---|---|
| Battery Type | Lithium‑Ion (Sony NP‑FW50) |
| Capacity | 1020 mAh |
| Output Voltage | 7.4 V DC |
| Chemistry | Lithium‑Ion |
| Dimensions (W × H × D) | 1.25 × 0.75 × 1.8 in (3.1 × 1.8 × 4.5 cm) |
| Weight | ≈ 1.5 oz (≈ 42.5 g) |
| Special Features | Displays remaining charge; memory‑effect free |
| Compatible Cameras | Mirrorless and compact Sony models as listed above |
Conclusion
The Sony NP‑FW50 is a reliable, lightweight battery ideal for Sony mirrorless cameras. It offers real-time power tracking, easy charging, and broad compatibility—a strong choice for everyday shooting and travel.

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