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Four rectangular batteries and a small dual-slot charger with LCD screen

Kastar

Kastar NP-FW50 4-pack battery and LTD2 USB charger

SKU CH-GV6J-NQQTM

Four lithium-ion batteries and a dual USB charger with LCD status display power compatible Sony mirrorless and compact cameras

  • Total capacity11.8 Wh
  • Pack contents1 Charger + 4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions5 × 3 × 3 in
  • Key featuresLCD USB Dual charger, can charge 2 batteries at the same tim
  • Four 1650 mAh lithium-ion batteries keep shooting longer
  • Dual-slot charger powers two packs at once
  • LCD shows charge level for each battery
  • Micro-USB and USB-C inputs work with common power sources
  • Charger delivers 8.4 V at 800 mA per slot

Four-pack NP-FW50 with dual USB charger

This set supplies four lithium-ion cells rated at 7.2 V and 1650 mAh each, plus a compact charger that accepts Micro-USB or Type‑C input. It is aimed at photographers using compatible Sony Alpha, NEX, Cyber‑shot and SLT bodies who need spare power for extended shoots.

LCD dual charger with swappable plates

The LTD2 unit charges two batteries simultaneously and shows real‑time status and capacity on an integrated LCD. Its interchangeable plate design lets the same charger handle other battery types, while the 5 V 2‑3 A input works with common USB power banks or wall adapters.

Limited to 5 V USB input and 800 mA per slot

The charger draws a maximum of 15 W from a 5 V source, so it cannot exploit higher‑voltage PD or QC profiles. Each channel delivers 8.4 V at 800 mA, meaning a full charge cycle takes longer than dedicated AC docks, and the Micro‑USB cable supplied is the only cable included.

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-FW50
Part numberCH-LTD2-4B-FW50-P
Total capacity11.8 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions5 × 3 × 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 long does the NP-FW50 1650mAh battery last before it needs replacing?

Lithium-ion cells typically hold useful capacity for several hundred charge cycles; the 11.8 Wh pack will gradually lose runtime as it ages.

What limits continuous shooting with the NP-FW50 pack?

Each cell stores 11.8 Wh at 7.2 V, so extended bursts drain the 1650 mAh capacity and require a recharge.

Does the LTD2 charger get hot or draw much power when running all day?

The charger accepts 5 V at up to 3 A (15 W) and outputs 8.4 V at 800 mA per slot, so heat and power draw stay modest during prolonged use.

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