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Sony NP-FW50 Lithium-Ion Rechargeable Battery (1020mAh)
Key Features
Compatible with Sony Alpha a6000, a6300, a6400, a6500, a7 series cameras
Original 1020mAh lithium-ion rechargeable battery with 7.2V output
Approximately 500 full recharge cycles for extended operational lifespan
Intelligent charge monitoring displays accurate remaining capacity information
12-month warranty coverage with quality inspection and technical support
1 Year Warranty
Sony NP-FW50 Lithium-Ion Battery Review: The Essential Mirrorless Power Cell?
For years, anyone stepping into the world of compact mirrorless photography or content creation likely encountered Sony’s most widely used power cell. The Sony NP-FW50 Rechargeable Lithium-Ion Battery is the legacy hardware backbone that powered the revolution of portable, high-performance cameras.
Designed to pack maximum voltage into an ultra-compact footprint, this original battery is a vital accessory for a massive ecosystem of Alpha series and Cyber-shot cameras. Let’s examine its hardware specifications, performance benchmarks, and camera compatibility matrix.
Sony NP-FW50 Technical Specifications Overview
Built with premium lithium-ion cells to prevent performance degradation over long-term storage cycles, the original NP-FW50 maintains a precise, strict power output profile:
| Specification | Technical Details |
|---|---|
| Battery Type | Rechargeable Lithium-ion battery |
| Series Designation | W-series |
| Nominal Voltage | 7.2 V DC |
| Capacity | 7.3 Wh (Watt-hours) / Typical: 1020 mAh (Milliampere-hours) |
| Minimum Capacity | 960 mAh |
| Status Monitoring | ActiFORCE accurate power indicator technology |
| Weight | Approx. 42 grams (1.5 oz) |
| Dimensions (W x H x D) | Approx. 31.8 mm x 18.5 mm x 45.0 mm |
Key Features of the Sony NP-FW50 Original Battery
Sony engineered this original power cell to handle fast operational bursts while integrating cleanly with internal safety sensors.
- ActiFORCE Power Information Architecture: The battery houses an internal microchip that communicates directly with your camera’s processing engine. Instead of a crude guess, it provides highly precise percentage readouts on your camera monitor, showing exactly how much runtime remains before an forced shutdown.
- Ultra-Lightweight Travel Footprint: Weighing just 42 grams, this battery keeps compact camera builds truly portable. You can pack three to four backup cells into a small jacket pocket or side pouch without adding noticeable physical bulk to your kit.
- No Memory Effect Degradation: Unlike older battery chemistries, Sony’s lithium-ion formulation allows you to top up the battery at any point—whether it is at 10% or 60% capacity—without reducing its overall long-term energy retention.
- Advanced Multi-Fault Protection Circuitry: The original Sony casing features built-in thermal resistors and voltage limiters. These safeguards actively prevent the battery from overheating during continuous high-bitrate video recording or bursting into dangerous overcharging spikes.
Deep Camera Compatibility Matrix
The W-series NP-FW50 battery fits natively into multiple generations of Sony camera bodies:
- Sony Alpha a6000 Series: Powers the popular APS-C mirrorless lineups completely, including the a6000, a6100, a6300, a6400, and a6500.
- First and Second Generation Full-Frame Alphas: Serves as the primary power source for the original full-frame mirrorless pioneers, including the a7, a7R, a7S, a7 II, a7R II, and a7S II.
- Sony ZV-E10 Vlog Camera: Powers the first-generation ZV-E10 interchangeable lens vlogging camera natively.
- Premium RX Cyber-shot Series: Used inside high-end compact bridge cameras like the RX10, RX10 II, RX10 III, and RX10 IV.
