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Kastar NP-FW50 twin batteries with four-bay USB charger, black finish

Kastar

Kastar NP-FW50 2-pack battery and quadruple charger for Sony Alpha 7 II 7R 7S

SKU CH-JP22-E40B6

Two 1650 mAh NP-FW50 batteries and a USB-C quadruple charger that powers four packs at once for Sony mirrorless and NEX cameras

  • Total capacity11.8 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3.5 × 2 × 2.5 in
  • Key featuresQuadruple USB charger, can charge 4 batteries at the same ti
  • Charge four batteries at once with the quadruple USB charger
  • 1650 mAh lithium-ion cells deliver 11.8 Wh capacity per battery
  • Intelligent display shows real-time charging status and remaining capacity
  • Dual Micro-USB and Type-C inputs offer flexible power options
  • Compact 3.5 x 2 x 2.5 inch design fits easily in camera bags

Two NP-FW50 batteries and four-bay charger

The set includes two 7.2 V 1650 mAh lithium-ion packs and a compact charger that can replenish up to four batteries simultaneously. Micro-USB and USB-C inputs accept power from a wall adapter, power bank or laptop. An intelligent display shows charge level and status for each slot, and the unit ships with a USB-C cable. Dimensions are 3.5 by 2 by 2.5 inches.

Suits Sony Alpha shooters needing spare power

Ideal for photographers using Alpha 7, 7 II, 7R, 7R II, 7S or 7S II bodies, plus a6000 through a6500, ZV-E10 and many NEX or Cyber-shot RX10 models who want to charge several packs at once. Not for users whose cameras require a different battery form factor or who need a charger that also powers the camera while shooting.

11.8 Wh capacity per pack

Each NP-FW50 cell stores 11.8 Wh at 7.2 V, delivered as 1650 mAh. The charger outputs 8.4 V at 800 mA for one or two batteries and 500 mA when three or four are inserted. This capacity figure determines how many frames or minutes of video you can expect per charge.

How it compares

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

Price $21.99
Pricier than about 65% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FW50
Part numberLHD4-2B-FW50-F
Total capacity11.8 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3.5 × 2 × 2.5 in
In the box
Pack contents1 Charger + 2 Batteries

Other versions of this model

5 more in the same range

Questions about this item

What power source does the charger need to run?

The charger requires a 5V 2-3A USB power supply, accepting either Micro-USB or Type-C input, and a Type-C cable is included.

Will my original Sony NP-FW50 batteries charge in this unit?

Yes, the charger is compatible with Sony NP-FW50 and W Series batteries, so your existing cells will charge alongside the two supplied Kastar packs.

How can I confirm each battery is charging correctly?

The intelligent compact charger displays individual charging status and battery capacity for every slot, showing real-time progress for up to four cells.

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