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Four rectangular lithium-ion camera batteries in a row

Kastar

Kastar NP-FM50 / NP-FM55H 4-Pack 7.4V 2300mAh Camera Battery

SKU CH-NWJW-F9HZY

Four 7.4 V 2300 mAh lithium-ion packs replace Sony NP-FM50/NP-FM55H batteries in compatible Handycam and Cyber-shot models

  • Total capacity17 Wh
  • Pack contents4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 3 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Extended shooting time with 2300 mAh lithium-ion cells
  • Four batteries in one pack for all-day power
  • Built-in protection against over-charge, over-discharge and over-heating
  • Meets UL1642 and CE safety standards for reliable use
  • Replaces Sony NP-FM50, NP-FM55H and many other models

Four-Pack Replacement Battery Kit

This Kastar four-pack supplies 7.4 V lithium-ion cells rated at 2300 mAh and 17 Wh each. They replace Sony NP-FM50 and NP-FM55H packs for a long list of Handycam and Cyber-shot models. The bundle suits owners who run multiple cameras or want spares for extended shoots.

Drop-In Installation With Built-In Safeguards

Each cell fits the original battery compartment without adapters or soldering. Built-in circuits guard against over-charge, over-discharge, over-voltage, over-current and over-heating. The only common issue is inserting a pack upside-down; the keyed shape prevents damage but the camera will not power on until oriented correctly.

Ideal For Multi-Camera Owners And Long Sessions

Videographers cycling through several Handycam units or recording multi-hour events gain uninterrupted runtime. Users needing a single battery for occasional use or those whose camera requires a different voltage or form factor should look at other options.

How it compares

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

Price $23.99
Pricier than about 69% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM50 NP-FM55H
Part numberBA-4B-FM50-D
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 do I confirm the 7.4 V 2300 mAh cells are charging correctly in my BC-VM50 charger?

Insert each pack into the BC-VM50; the charger LED will show charge progress and turn solid when the 17 Wh cells reach full capacity.

The listing says four batteries — are chargers or cables included?

Only the four NP-FM50 / NP-FM55H lithium-ion packs are supplied; a compatible Sony BC-VM50, BC-VM10 or BC-V615 charger must be purchased separately.

My camcorder takes NP-FM50 and NP-FM55H — which of the two model codes on the pack should I use?

Both codes refer to the same 7.4 V 2300 mAh lithium-ion cell, so any of the four packs will work in cameras or camcorders listed for either model.

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