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Rectangular lithium-ion camera battery with grey plastic casing and gold contacts

Kastar

Kastar NP-FW50 camera battery 1650mAh 7.2V 11.8Wh 1-pack

SKU CH-D3V5-CTMTN

Replacement lithium-ion battery rated 7.2 V and 1650 mAh for Sony Alpha and Cyber-shot cameras

  • Total capacity11.8 Wh
  • Pack contents1 Battery
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 1 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Extended shooting sessions with 1650mAh capacity
  • Reliable 7.2V output matches original Sony spec
  • Built-in protection against over-charge and over-discharge
  • Certified to UL1642 and CE safety standards
  • Fits a wide range of Sony Alpha and Cyber-shot models

What it is

The Kastar NP-FW50 is a lithium-ion replacement battery rated at 1650mAh, 7.2V and 11.8Wh. It is built for photographers who need a spare or replacement cell for compatible Sony mirrorless, Cyber-shot and NEX cameras.

How it fits

The pack contains one battery that slots directly into the camera body or vertical grip without adapters. It works with Sony BC-VW1 and BC-TRW chargers so existing charging gear can be reused. Built-in protection circuits guard against over-charge, over-discharge, over-voltage, over-current and over-heating.

Capacity and headroom

The 11.8Wh cell delivers extended shooting time compared with lower-capacity alternatives. It meets UL1642 and CE safety standards for reliable cycle life. It will not power cameras outside the listed Sony NP-FW50 compatibility range.

How it compares

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

Price $6.99
Cheaper than about 92% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FW50
Part numberBA-1B-FW50-D
Total capacity11.8 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 1 in
In the box
Pack contents1 Battery

Other versions of this model

5 more in the same range

Questions about this item

How many shots can I expect from the 1650mAh capacity before the battery runs flat?

The 1650mAh cell delivers 11.8Wh at 7.2V, giving roughly the same shot count as an original Sony NP-FW50 in compatible Alpha and NEX bodies.

Does the pack get hot or noisy during a full day of video recording?

Lithium-ion chemistry runs silently; the built-in over-heating protection circuit keeps temperature in check during extended capture sessions.

Which charger do I need to recharge this NP-FW50 pack?

It works with Sony BC-VW1 and BC-TRW chargers, plus any grip or camera that accepts the original NP-FW50.

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