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Three rectangular lithium-ion camera batteries in a row

Kastar

Kastar NP-FW50 3-pack camera battery 1650mAh 11.8Wh

SKU CH-PR6Z-0WDX3

Three 7.2 V lithium-ion packs rated at 1650 mAh and 11.8 Wh replace Sony NP-FW50 cells in Alpha and Cyber-shot cameras

  • TypeBattery
  • Pack3 Batteries
  • ChemicalLi-Ion
  • Capacity11.8 Wh
  • Dimensions3*2*3 Inch
  • FeaturesHigh Capacity and Manufacture Price.
  • Extended shooting time with 1650 mAh high capacity
  • Safe operation backed by UL1642 and CE certified cells
  • Built-in protection against over-charge, over-discharge and over-heating
  • Three-battery pack reduces cost per cycle for daily use
  • Compatible with Sony Alpha and NEX series cameras

Three-pack replacement for Sony NP-FW50 cameras

This set supplies three lithium-ion batteries rated at 1650 mAh and 11.8 Wh each, matching the NP-FW50 form factor used across a wide range of Sony mirrorless and Cyber-shot models. Photographers who carry a spare for long shoots or travel will appreciate the extra capacity in a single purchase.

Built-in protection circuits manage charging

Each cell includes over-charge, over-discharge, over-voltage, over-current and over-heating safeguards and meets UL1642 and CE safety standards. The protection helps maintain stable voltage during continuous shooting and video recording without excessive temperature rise.

Direct fit for original Sony chargers and grips

The batteries work with Sony BC-VW1 and BC-TRW chargers as well as VG-C1EM and VG-C2EM vertical grips, so existing charging workflows remain unchanged. Buyers needing a different form factor or higher watt-hour rating for cinema cameras will not be served by this pack.

Highlights

  • Extended shooting time with 1650 mAh high capacity
  • Safe operation backed by UL1642 and CE certified cells
  • Built-in protection against over-charge, over-discharge and over-heating
  • Three-battery pack reduces cost per cycle for daily use
  • Compatible with Sony Alpha and NEX series cameras

Specifications

BrandKastar
ModelNP-FW50
Part NumberBA-3B-FW50-D
TypeBattery
Pack3 Batteries
ChemicalLi-Ion
Capacity11.8 Wh
Dimensions3*2*3 Inch
FeaturesHigh Capacity and Manufacture Price.

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Questions about this item

How do I install the Kastar NP-FW50 batteries in my Sony Alpha 6400, and what step do people get wrong?

Slide each battery into the camera's battery compartment with the contacts facing inward until the latch clicks; the step often missed is ensuring the protective terminal cover is fully removed before insertion.

What maintenance or replacement will the Kastar NP-FW50 1650mAh Li-Ion pack need over time?

Expect gradual capacity loss after several hundred charge cycles; store at roughly half charge in a cool place when unused for weeks, and replace the pack once run-time drops below your shooting needs.

What limit appears first during sustained video recording with the 11.8Wh Kastar NP-FW50 batteries?

The over-heating protection circuit will cut power if the cells exceed their safe temperature threshold during long continuous recording sessions.

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