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

Kastar

Kastar NP-FW50D 2-pack camera battery 1650mAh 7.2V

SKU CH-TXJ0-B1D8B

Two 7.2V 1650mAh Li-ion batteries with USB-C charging and built-in protection for Sony mirrorless cameras

  • Total capacity11.8 Wh
  • Pack contents2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 2 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Two-pack delivers spare power for long shoots
  • 1650 mAh cells extend recording time per charge
  • USB-C charging lets you top up from any 5 V 2 A source
  • Built-in protection guards against over-charge, over-discharge and over-heating
  • Compatible with Sony NP-FW50 cameras including Alpha 6000, 6100, 6300, 6400, 6500, 7, 7 II, 7R, 7R II, 7S, 7S II and ZV-E10

Kastar NP-FW50D twin pack

Two lithium-ion cells rated at 7.2 volts and 1650 milliampere-hours each. They replace the Sony NP-FW50 and W-series packs across a wide range of mirrorless and compact cameras. A USB-C port on each battery accepts a 5 volt 2 ampere adapter for direct charging without a separate cradle. LED indicators show red while charging and green when full.

Ideal for Sony Alpha and NEX owners

Photographers using Alpha 3000, 5000, 5100, 6000, 6100, 6300, 6400, 6500, 7, 7 II, 7R, 7R II, 7S, 7S II, NEX-3 through NEX-7, SLT-A33, A35, A37, A55 or ZV-E10 bodies can swap these in directly. Cyber-shot RX10 through RX10 IV and grip units VG-C1EM and VG are also supported. Shooters needing higher capacity than 1650 milliampere-hours or a different voltage should consider other options.

USB-C direct charging

Each cell includes a built-in USB-C input so it can be topped up from any standard 5 volt 2 ampere charger or power bank. No dedicated Sony BC-VW1 or BC-TRW charger is required. Over-charge, over-discharge, over-voltage, over-current and over-heating protection circuits meet UL1642 and CE safety standards.

How it compares

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

Price $20.99
Pricier than about 62% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FW50D
Part numberBA-2B-FW50D-2
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 comes in the box and does it include a charger?

The pack contains two Kastar NP-FW50D lithium-ion batteries with built-in USB-C charging ports. No separate charger is included; each battery charges directly from a 5 V 2 A USB-C adapter.

Why is the capacity listed as both 1650 mAh and 11.8 Wh?

Both figures describe the same cell: 1650 mAh at the nominal 7.2 V equals 11.8 Wh. Choose this twin pack when you want two identical spares for any compatible Sony body or grip.

How long will a 1650 mAh battery last in an Alpha 6000?

A 1650 mAh cell typically delivers several hundred still frames or roughly one to two hours of continuous video on an Alpha 6000, depending on screen use, focus mode and temperature.

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