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Two rectangular lithium-ion camera batteries in a twin pack

Kastar

Kastar NP-FM50 / NP-FM55H 2-pack camera battery 7.4V 2300mAh

SKU CH-E7BR-AQR77

Two-pack 7.4 V 2300 mAh lithium-ion batteries compatible with Sony NP-FM50, NP-FM55H and many Handycam and Cyber-shot models

  • Total capacity17 Wh
  • Pack contents2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 2 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Two batteries extend shooting time without swapping
  • 4 V 2300 mAh lithium-ion cells deliver 17 Wh capacity
  • Built-in protection guards against over-charge, over-discharge, over-voltage, over-current and over-heating
  • Compatible with many Sony Handycam and Cyber-shot models
  • Meets UL1642 and CE safety standards for reliable operation

Two-pack replacement batteries for Sony camcorders

This pack contains two Kastar lithium-ion batteries built to replace Sony NP-FM50 and NP-FM55H cells. They supply 7.4 V and 2300 mAh for compatible Handycam, Cyber-shot and DCR models. The pair lets you keep one charging while the other shoots.

7.4 V 2300 mAh lithium-ion chemistry

Each cell delivers 17 Wh at the nominal voltage your camcorder expects. The lithium-ion chemistry matches the original Sony specification so the camera’s fuel gauge and charge logic work without adaptation. No other voltage or capacity is offered in this listing.

Drop-in fit with built-in protection circuits

The batteries slide into the same compartment and charge on Sony BC-VM50, BC-VM10 or BC-V615 chargers. Integrated over-charge, over-discharge, over-voltage, over-current and over-heating guards protect both the pack and the camera. Users who need a different form factor or higher capacity must choose another model.

How it compares

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

Price $13.99
Cheaper than about 65% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM50 NP-FM55H
Part numberBA-2B-FM50-M
Total capacity17 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 2 in
In the box
Pack contents2 Batteries

Other versions of this model

5 more in the same range

Questions about this item

What does the 2300 mAh rating mean for actual recording time on my camcorder?

The 2300 mAh capacity at 7.4 V delivers roughly 17 Wh of energy, which typically powers compatible Sony Handycam models through several hours of continuous DV recording before needing a recharge.

Does the 7.4 V lithium-ion chemistry limit which chargers I can use?

These cells are designed for Sony BC-VM50, BC-VM10 and BC-V615 chargers; using other chargers that do not match the 7.4 V lithium-ion profile can prevent proper charging or trigger the built-in protection circuit.

Will the 3-by-2-by-2-inch pack fit the battery compartment of a DCR-TRV30?

Yes, the NP-FM50/NP-FM55H form factor matches the original Sony battery dimensions, so it slides directly into the DCR-TRV30 and the other listed Handycam and Cyber-shot models without adapters.

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