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Four rectangular batteries and a black charger with four slots

Kastar

Kastar NP-FW50 4-pack battery & quadruple charger for Sony a7 II a7R a7R II a7S

SKU CH-49TX-C2CYZ

Four 7.2 V 1650 mAh Li-Ion batteries and a quadruple USB charger with Micro-USB and Type-C inputs that powers up to four cells simultaneously

  • TypeBattery & Charger
  • Pack1 Charger + 4 Batteries
  • ChemicalLi-Ion
  • Capacity11.8 Wh
  • Dimensions3.5*2*2.5 Inch
  • FeaturesQuadruple USB charger, can charge 4 batteries at the same ti
  • Four batteries keep you shooting longer with 1650 mAh each
  • Quadruple charger powers all four at once from USB-C or Micro-USB
  • Intelligent display shows charge level and status for every slot
  • Compact 3.5 × 2 × 2.5 in kit fits in any camera bag
  • Works with Sony a7 II, a7R, a7R II, a7S and many more models

Four-battery kit for Sony Alpha shooters

This set supplies four NP-FW50 lithium-ion cells rated at 7.2 volts and 1650 milliampere-hours each, giving 11.8 watt-hours per battery. It targets photographers and videographers using Sony mirrorless bodies from the a7 series through the a6000 line who need extended shooting time without swapping packs.

Quad USB charger with shared current limits

The included charger accepts 5 volt input at 2 to 3 amps via Micro-USB or USB-C and can charge four batteries simultaneously. Output drops to 8.4 volts at 800 milliamps for one or two cells and 500 milliamps when three or four are docked, so full recharge cycles take longer with every slot occupied.

Drop-in charging with plate flexibility

Batteries slide into the charger without tools and an LED panel shows individual capacity and status. The charger plates are swappable for other battery types, but the kit ships only with NP-FW50 plates. Users must supply their own 5 volt power adapter rated for at least 15 watts to reach the stated charge rates.

Highlights

  • Four batteries keep you shooting longer with 1650 mAh each
  • Quadruple charger powers all four at once from USB-C or Micro-USB
  • Intelligent display shows charge level and status for every slot
  • Compact 3.5 × 2 × 2.5 in kit fits in any camera bag
  • Works with Sony a7 II, a7R, a7R II, a7S and many more models

Specifications

BrandKastar
ModelNP-FW50
Part NumberLHD4-4B-FW50-F
TypeBattery & Charger
Pack1 Charger + 4 Batteries
ChemicalLi-Ion
Capacity11.8 Wh
Dimensions3.5*2*2.5 Inch
FeaturesQuadruple USB charger, can charge 4 batteries at the same time

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Questions about this item

Should I buy the four-battery pack or a smaller set for my Sony a7 II?

The listing only offers the four-battery pack with the quadruple charger, giving you 1650 mAh per cell and the ability to charge all four at once.

What does the 1650 mAh rating mean when I am shooting with the a7R II?

Each 7.2 V battery stores 11.8 Wh, so a single charge typically powers several hundred stills or roughly one hour of continuous video on the a7R II.

How does the USB-C and Micro-USB input affect charging speed when all four slots are full?

With a 5 V 2–3 A source the charger delivers 8.4 V at 500 mA per slot when three or four batteries are inserted, taking longer than the 800 mA rate for one or two cells.

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