NP-FW50 Replacement Batteries for Sony Cameras - 4-Pack High Capacity

In this review of the BM Premium NP-FW50 replacement battery pack, the bottom line is simple: photographers who need a reliable, budget-friendly way to extend shooting time will appreciate this 4-pack. The batteries are designed to behave like originals thanks to a fully decoded chip that reports charge level to the camera, and they offer modern safety circuitry and a one-year warranty. For those who travel, shoot events, or need spare power for a long day, these batteries provide an accessible alternative to OEM cells while keeping camera compatibility broad.

Key Features

• Wide camera compatibility: Works with a large range of Sony models, including a6000-series, Alpha 7 series, ZV-E10 and RX10 models, so you can use the same spare pack across multiple bodies.
• Decoded chip reporting: The new fully decoded chip shows remaining time and charge percentage in-camera, removing guesswork and avoiding the need for a special charger.
• 1500mAh capacity: At 1500mAh and 10.8Wh, the battery delivers respectable runtime for stills and short-form video sessions compared with older lower-capacity cells.
• Safety protections: Built-in protections guard against over-charge, short-circuit, high temperature, and surge events for safer everyday use.
• Memory-free Li-ion chemistry: No memory effect means you can charge at any time without harming long-term capacity, which is convenient for irregular shooting schedules.
• One-year warranty: BM Premium backs the batteries with a full one-year warranty, offering reassurance on build quality and early defects.

Who It's For

These batteries are a good match for hobbyists, content creators on a budget, and photographers who own multiple Sony cameras and want a common spare battery across bodies like the a6000 family, Alpha 7 series, and RX10 series. The decoded chip is particularly helpful for users who rely on accurate remaining charge readouts when shooting for extended periods.

Pros who demand the absolute longest runtime per charge or verified OEM longevity results may prefer purchasing manufacturer-branded cells, and users who need heavy-duty field use on extended shoots should carry multiple spares and test longevity in their workflow before relying solely on these third-party batteries.

Pros & Cons

Pros

• Good value for money when buying a 4-pack to cover extended shooting days.
• Decoded chip provides in-camera battery status just like an original cell.
• Multiple safety circuits and fire-resistant construction increase confidence in everyday use.
• One-year warranty offers buyer protection against early failures.

Cons

• Several customers reported shorter-than-expected battery life in long-term use, so longevity can vary between units.
• Runtime per charge is good but not superior to high-end OEM or more expensive aftermarket high-capacity options.

Specifications

Chemistry	Li-ion
Capacity	1500mAh
Voltage	7.2 volts
Energy	10.8 Wh
Compatibility	NP-FW50 cameras including a6000 series, Alpha 7 series, ZV-E10, RX10 series
Chip	Fully decoded chip with in-camera reporting
Warranty	Full one-year warranty

Our Verdict

BM Premiums NP-FW50 4-pack is a sensible purchase for photographers and video creators who need multiple spare batteries without paying OEM prices. The decoded chip and safety features make them practical daily drivers, and the one-year warranty reduces risk. Buyers who prioritize maximum longevity or the absolute best per-charge runtime should test these in their own workflows, but for general shooting and travel they represent strong value.

Frequently Asked Questions

Will these batteries show charge level in my camera?
Yes, the batteries include a fully decoded chip so the camera reports remaining charge and time like an original cell.

Are these safe to use for long shoots?
They include over-charge, short-circuit, high-temperature, and surge protections and fire-resistant construction, but bring multiple spares for extended shoots and monitor performance in your setup.

Do these batteries require a special charger?
No special charger is required; they work with standard NP-FW50 chargers and will display charge status in compatible cameras.