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Four NP-FM50 batteries and a dual-slot USB charger with LCD screen

Kastar

Kastar NP-FM50 4-Pack Battery with LTD2 USB Charger

SKU CH-18WE-2ZFZD

Four 7.4 V 2300 mAh lithium-ion batteries with a dual-slot USB charger that powers two cells at once via Micro-USB or Type-C

  • TypeBattery & Charger
  • Pack1 Charger + 4 Batteries
  • ChemicalLi-Ion
  • Capacity17.02 Wh
  • Dimensions5*3*3 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • Four batteries and a dual charger keep you shooting longer
  • LCD screen shows real-time charge level for each cell
  • Micro-USB and Type-C inputs let you power up from many sources
  • Charges two packs simultaneously to cut downtime
  • Lithium-ion chemistry delivers 7.4 V and 2300 mAh per battery

Four-pack NP-FM50 batteries with dual USB charger

This set supplies four lithium-ion NP-FM50 batteries and an LTD2 charger that powers two cells simultaneously. Each cell delivers 7.4 V and 2300 mAh for compatible Sony camcorders and digital cameras. The bundle suits owners of multiple legacy Handycam or Cyber-shot models who need ready spares.

Charger thermals and power behaviour

The LTD2 charger accepts 5 V at 2 to 3 A through Micro-USB or USB-C and outputs 8.4 V at 800 mA per slot. An integrated LCD panel shows charge status and remaining capacity for each bay. No active cooling is present, so the unit runs silently during normal operation.

Build practicality and daily use

Interchangeable plates let the charger adapt to other NP-series batteries beyond the FM50. A Micro-USB cable is included for immediate connection to standard USB power sources. The compact 5 by 3 by 3 inch package fits easily in a camera bag for location work.

Highlights

  • Four batteries and a dual charger keep you shooting longer
  • LCD screen shows real-time charge level for each cell
  • Micro-USB and Type-C inputs let you power up from many sources
  • Charges two packs simultaneously to cut downtime
  • Lithium-ion chemistry delivers 7.4 V and 2300 mAh per battery

Specifications

BrandKastar
ModelNP-FM50
Part NumberCH-LTD2-4B-FM50-A
TypeBattery & Charger
Pack1 Charger + 4 Batteries
ChemicalLi-Ion
Capacity17.02 Wh
Dimensions5*3*3 Inch
FeaturesLCD USB Dual charger, can charge 2 batteries at the same time

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Questions about this item

How do I install the batteries into the LTD2 charger and which orientation step is often missed?

Slide each NP-FM50 pack into the dual bays until the contacts click into place; the LCD only lights when both polarity tabs are fully seated.

What part of the LTD2 charger will need replacement first under normal use?

The Micro-USB and Type-C input ports wear from repeated cable insertion long before the charging circuitry degrades.

What limit appears first when charging two batteries continuously on the LTD2?

The 800 mA per bay output caps the charge rate, so two 2300 mAh cells take longer than a single-bay cycle.

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