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Four rectangular lithium-ion camera batteries in a pack

Kastar

Kastar NP-FM500H 4-pack camera battery 7.4V 2400mAh for Sony a99V Alpha 99II SLT-A99 II ILCA-99M2

SKU CH-9D4Z-XPTFQ

Four lithium-ion packs rated at 7.4V and 2400mAh power compatible Sony Alpha and SLT cameras

  • Total capacity17.76 Wh
  • Pack contents4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions2.2 × 3 × 1.6 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Four batteries give extended shooting time
  • 2400mAh capacity powers the camera longer
  • Built-in protection guards against over-charge and over-heat
  • UL1642 and CE certified cells ensure safe operation
  • Compatible with many Sony Alpha and SLT models

Four-pack replacement batteries

This four-pack supplies four Kastar NP-FM500H lithium-ion cells rated at 7.4V and 2400mAh each, delivering 17.76 Wh per unit. They are built as direct replacements for the Sony NP-FM500H and work with the Sony BC-VM10 and AC-SQ950 chargers. The pack is aimed at photographers who want spare power for long shooting sessions without carrying a charger.

Suits owners of listed Sony Alpha and A-mount bodies

The cells fit the extensive range of Sony DSLR and SLT models listed in the compatibility data, including the Alpha 99 II, Alpha 77 II, Alpha 68, Alpha 58, Alpha 57 and earlier A-mount cameras such as the A700, A850 and A900. They also power the Sony VG-C77AM grip and the Viltrox DC-50 monitor. Photographers using cameras that require a different battery form factor or voltage should look for the correct model for their system.

7.4V 2400mAh lithium-ion chemistry

Each battery provides a nominal 7.4 volts and 2400 milliampere-hours, giving 17.76 watt-hours of energy storage. The lithium-ion chemistry supports repeated charge cycles and the built-in protection circuit guards against over-charge, over-discharge, over-voltage, over-current and over-heating. This capacity figure is the key spec to match against your camera’s original battery to confirm suitability.

How it compares

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

Price $25.99
Pricier than about 72% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM500H
Part numberBA-4B-FM500H-O
Total capacity17.76 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions2.2 × 3 × 1.6 in
In the box
Pack contents4 Batteries

Other versions of this model

5 more in the same range

Questions about this item

What comes in the 4-pack and do I need a separate charger?

The pack contains four NP-FM500H lithium-ion batteries. A compatible Sony BC-VM10 or AC-SQ950 charger is not included and must be purchased separately.

Should I choose these 2400 mAh cells or a lower-capacity version?

Each battery delivers 2400 mAh at 7.4 V for 17.76 Wh, giving longer run time than standard-capacity NP-FM500H alternatives.

How long will a 7.4 V 2400 mAh battery last in my A77 II?

Real-world shooting time varies with settings, but the 17.76 Wh rating typically supports several hundred stills or extended video clips per charge.

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