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Four rectangular grey lithium-ion camera batteries side by side

Kastar

Kastar NP-FM500H 7.4V 2400mAh 4-Pack camera battery

SKU CH-K5VT-6QGAR

Four 7.4V 2400mAh lithium-ion packs replace Sony NP-FM500H batteries for Alpha DSLR and SLT bodies

  • 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.
  • Longer shooting sessions with 2400mAh high-capacity lithium-ion cells
  • Four batteries in one pack reduce swap frequency on location
  • Built-in protection against over-charge, over-discharge, over-voltage, over-current and over-heating
  • Meets UL1642 and CE safety standards for reliable replacement use
  • Compatible with Sony Alpha models from A200 through A900 and SLT-A57 to SLT-A77II

Four-pack lithium-ion camera batteries

This Kastar set contains four NP-FM500H cells rated at 7.4V and 2400mAh each, giving 17.76Wh per unit. They are built as direct replacements for the Sony NP-FM500H used in numerous Alpha DSLR and SLT bodies. The pack suits photographers who want spare power for long shooting days without buying single cells at a premium.

Replaces ageing or lost original packs

Swapping depleted Sony NP-FM500H batteries for these restores full runtime on compatible cameras such as the A200, A300, A350, A450, A500, A550, A560, A580, A700, A850, A900 and SLT models including the A57, A58, A65, A68 and A77 series. The upgrade is worth it when original cells no longer hold a charge or when a second, third and fourth spare are needed for events, travel or video work.

Capacity and headroom for typical sessions

Each 2400mAh cell delivers enough energy for several hundred still frames or extended live-view use on supported bodies. The four-pack provides redundancy so a drained battery can be swapped instantly while others charge on a Sony BC-VM10 or AC-SQ950 charger. Heavy video recording or continuous burst shooting will exhaust a single cell faster, making the spare count essential.

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-FM500H
Part numberBA-4B-FM500H-C
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

Will the 2.2 by 3 by 1.6 inch batteries fit the NP-FM500H compartment on my Sony A700?

Yes, those dimensions match the original NP-FM500H form factor used in the A700 battery bay.

Do I need to charge the 7.4 V 2400 mAh packs before first use in the BC-VM10 charger?

Insert each pack into the BC-VM10 until the charge LED turns solid; skipping this initial full charge can leave the cells unbalanced.

When should I replace the four Li-Ion packs if runtime drops below half of the 17.76 Wh rating?

Replace them when a full charge delivers noticeably less than half the original capacity, typically after several hundred cycles.

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