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Four rectangular lithium-ion camera batteries in light grey plastic finish

Kastar

Kastar NP-FM50 / NP-FM55H 4-pack camera battery

SKU CH-2RCR-S5XRW

Four lithium-ion batteries replace Sony NP-FM50 and NP-FM55H packs for compatible camcorders and Cyber-shot cameras

  • Total capacity17 Wh
  • Pack contents4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 3 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Longer shooting sessions with 2300mAh high-capacity cells
  • Safe operation thanks to UL1642 and CE certified protection circuits
  • Four batteries in one pack for extended power reserves
  • Compatible with Sony NP-FM50 and NP-FM55H models
  • Works with Cyber-shot DSC-F707, F717, F828 and R1 cameras

Four-pack replacement power

This set supplies four lithium-ion cells rated at 7.4 volts and 2300 milliampere-hours each, delivering 17 watt-hours per unit. The chemistry matches the original Sony NP-FM50 and NP-FM55H specifications so the camera recognises the packs without error messages.

Fits existing chargers and bodies

Each battery slides into the same compartment used by the NP-FM30 through NP-QM91D series and charges in Sony BC-VM50, BC-VM10 or BC-V615 chargers. No adapter or firmware update is required and the built-in protection circuit guards against over-charge, over-discharge, over-voltage, over-current and over-heating.

Suits owners of listed Handycam

Videographers using the CCD-TRV, DCR-DVD, DCR-HC, DCR-PC, DCR-TRV or Cyber-shot DSC-F and DSC-S families gain extended recording time from a single purchase. Buyers whose cameras use a different battery form factor or voltage should look for a pack that matches their specific model.

How it compares

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

Price $22.99
Pricier than about 67% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM50 NP-FM55H
Part numberBA-4B-FM50-F
Total capacity17 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 3 in
In the box
Pack contents4 Batteries

Other versions of this model

5 more in the same range

Questions about this item

How long will one 2300mAh battery last during continuous recording?

Each cell stores 17 Wh at 7.4 V, so a single battery can supply roughly two amp-hours of continuous draw before the protection circuit stops discharge.

Do these packs get hot or noisy when the camera runs all day?

The lithium-ion cells have no moving parts and the built-in over-heating protection limits temperature rise, so they stay silent and only warm under normal use.

Which Sony charger models work with this four-pack?

The batteries are compatible with Sony BC-VM50, BC-VM10 and BC-V615 chargers.

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