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A small rectangular Li-ion battery and a compact wall charger with foldable flat prongs

Kastar

Kastar NP-FW50 Battery & AC Wall Charger 1-Pack

SKU CH-881M-YV71D

Lithium-ion 1650 mAh battery with foldable-plug AC charger compatible with Sony NP-FW50 cameras

  • Total capacity11.8 Wh
  • Pack contents1 Charger + 1 Battery
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresFoldable Flat Plug
  • Ready-to-shoot power with 1650 mAh lithium-ion cell
  • Compact AC charger works worldwide from 100 to 240 V
  • Foldable flat plug slips easily into any bag
  • LED shows red while charging and green when full
  • Compatible with dozens of Sony Alpha and Cyber-shot models

What it is and who it fits

This Kastar kit supplies a lithium-ion NP-FW50 replacement battery rated at 7.4 V and 1650 mAh together with an AC wall charger that accepts 100-240 V input and delivers 8.4 V at 600 mA. The pack suits owners of Sony mirrorless and SLT cameras such as the a6000, a6100, a6300, a6400, a6500, a5000, a5100, a7 series, NEX models and RX10 series who need a spare power source.

What it replaces and when to switch

It replaces an original Sony NP-FW50 cell or a worn BC-VW1 / BC-TRW charger when the original no longer holds a full day of shooting or the charger plug has become unreliable. The foldable flat-pin design makes the charger easier to pack for travel, so the upgrade is worth it if portability matters more than the OEM label.

Check before ordering

Verify that your camera appears in the supported model list covering Alpha, NEX, Cyber-shot RX10 and ZV-E10 bodies as well as VG-C1EM and VG-C2EM grips. Ensure you can use a standard wall outlet supplying 100-240 V AC. No other equipment or cable is required beyond what the box contains.

How it compares

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

Price $8.99
Cheaper than about 87% of the 5,900 comparable items (median $17.99).

Specifications

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

Other versions of this model

5 more in the same range

Questions about this item

What wall outlet voltage does the foldable-flat-pin charger accept?

The charger accepts AC 100–240 V at 50–60 Hz, so it works on mains supplies worldwide without a voltage converter.

How do I insert the NP-FW50 battery into the charger and what mistake should I avoid?

Align the battery contacts with the charger slots and slide it in until it clicks; the common error is forcing it in backwards, which prevents the red charging LED from lighting.

When will the 7.4 V 1650 mAh lithium-ion cell need replacing?

After roughly 300–500 full charge cycles the capacity drops noticeably; expect a replacement when run-time falls below half of the original 11.8 Wh rating.

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