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Two rectangular lithium-ion camera batteries with USB-C ports and LED indicators

Kastar

Kastar NP-FW50D 2-pack 1650mAh 11.8Wh camera battery

SKU CH-BVVZ-GR403

Two lithium-ion 7.2V 1650mAh packs with USB-C charging and safety protection for Sony mirrorless and Cyber-shot cameras

  • Total capacity11.8 Wh
  • Pack contents2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 2 in
  • Key featuresHigh Capacity and Manufacture Price.
  • USB-C charging with LED status indicator
  • 1650 mAh capacity for extended shooting sessions
  • Built-in protection against over-charge and over-heating
  • UL1642 and CE certified lithium-ion cells
  • Compatible with Sony Alpha and Cyber-shot models

What this pack contains

Two Kastar NP-FW50D lithium-ion camera batteries rated at 1650mAh and 11.8Wh each. They are built as direct replacements for the Sony NP-FW50 cells used across a wide range of Alpha, NEX, Cyber-shot RX10 and SLT bodies, plus compatible grips.

How they change the charging workflow

Each cell integrates a USB-C port so you can recharge at 5V 2A from a wall adapter or power bank without a dedicated Sony BC-VW1 or BC-TRW charger. LED indicators show red while charging and green when full, and the internal protection circuit guards against over-charge, over-discharge, over-voltage, over-current and over-heating.

What to verify before ordering

Confirm your camera or grip accepts NP-FW50 type batteries; the list includes models such as the Alpha 6000, 6100, 6300, 6400, 6500, 7, 7 II, 7R, 7R II, 7S, 7S II, ZV-E10, NEX series and Cyber-shot RX10 IV. If your device uses a different Sony battery format, these cells will not fit.

How it compares

Measured against everything we stock in Camera Batteries, Grips & Chargers, at today’s prices. Recalculated every night.

Price $18.99
Pricier than about 55% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FW50D
Part numberBA-2B-FW50D-4
Total capacity11.8 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 2 in
In the box
Pack contents2 Batteries

Questions about this item

What clearance does the 3 by 2 by 2 inch NP-FW50D pack need inside a Sony grip or body?

Each cell measures 3 by 2 by 2 inches, so the battery compartment must accommodate that footprint and depth without forcing the door.

How do I charge the NP-FW50D via USB-C and what indicates a full charge?

Connect a 5 V 2 A USB-C adapter to the built-in port; the LED shows red while charging and turns green when the 1650 mAh cell is full.

When should I replace these 7.2 V 11.8 Wh lithium-ion cells?

Replace them when run-time drops noticeably or the cells no longer hold a full charge after normal lithium-ion cycle ageing.

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