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Four rectangular lithium-ion camera batteries and a compact AC wall charger with foldable flat plug

Kastar

Kastar NP-FM500H 4-pack camera battery with AC charger

SKU CH-50NA-A1QWK

Four 7.4 V 2400 mAh Li-Ion batteries and a foldable-plug AC charger compatible with Sony Alpha and SLT models

  • Total capacity17.76 Wh
  • Pack contents1 Charger + 4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 3 in
  • Key featuresFoldable Flat Plug
  • Four batteries deliver extended shooting sessions with 2400mAh capacity each
  • AC wall charger powers all batteries from 100 to 240V mains input
  • Foldable flat plug makes the charger compact for travel bags
  • LED shows red while charging and green when batteries reach full charge
  • Compatible with Sony Alpha models including A77 II, A99, A58, A65, A68 and A700

Four NP-FM500H batteries and AC charger

This set supplies four 7.4 V 2400 mAh lithium-ion cells rated at 17.76 Wh each. The pack targets photographers who use Sony Alpha DSLR and SLT bodies that accept the NP-FM500H form factor and want spare power for long shooting days.

Foldable-plug charger with LED status

The included wall charger accepts 100–240 V AC input and delivers 8.4 V 600 mA DC output. A red LED shows active charging and a green LED signals standby or full charge. The flat foldable pins reduce bulk when the unit is packed in a camera bag.

Direct battery insertion, no camera required

Each cell slides into the charger independently so batteries can be topped up while the camera stays in use. The only common issue is forgetting to seat a battery fully, which leaves the LED on red until proper contact is made.

How it compares

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

Price $24.99
Pricier than about 71% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM500H
Part numberNOCAR-4B-FM500H-J
Total capacity17.76 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 3 in
In the box
Pack contents1 Charger + 4 Batteries

Other versions of this model

5 more in the same range

Questions about this item

How often will the four NP-FM500H packs need replacing under regular shooting?

Each 2400 mAh lithium-ion cell delivers 17.76 Wh; with normal daily use expect two to three years before capacity drops noticeably.

What stops the AC charger from running indefinitely during back-to-back sessions?

The wall unit outputs 8.4 V at 600 mA, so sustained charging is limited by that current ceiling rather than thermal throttling.

Does the charger or batteries become noisy or hot when left plugged in all day?

The charger uses a foldable flat plug with passive cooling and simple red or green LEDs, so it runs silently and stays only warm to the touch.

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