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Four rectangular lithium-ion batteries and a compact dual-slot USB charger with LCD screen

Kastar

Kastar NP-FM50 4-Pack Battery & LTD2 USB Charger for Sony DCR-TRV17/18/19/20/22/23/24/25/30/33/38

SKU CH-VJ3J-1WAFC

Four lithium-ion batteries and a dual USB charger with LCD status for Sony DCR-TRV camcorders

  • 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 NP-FM50 Li-Ion batteries deliver 2300 mAh each for extended shooting
  • LCD USB dual charger powers two batteries simultaneously with real-time status display
  • Micro-USB and Type-C inputs allow charging from power banks or wall adapters
  • Swappable charging plates support a wide range of Sony battery models
  • 4 V lithium-ion chemistry provides reliable power for compatible Handycam and Cyber-shot models

Four-battery kit for legacy Sony camcorders

This pack delivers four NP-FM50 lithium-ion cells rated at 7.4V and 2300mAh plus a dual-slot USB charger. It targets owners of older Handycam and Cyber-shot models that still use the InfoLITHIUM FM series and want spare power for long shoots. The bundle replaces the original single battery and proprietary AC adapter with a compact travel set.

Replaces single OEM cell and wall charger

The kit upgrades from one factory battery and a mains-only BC-VM50 or BC-VM10 unit to four cells and a charger that accepts Micro-USB or Type-C input. The jump is worth it when filming events, vacations or weddings where mains power is unavailable and swapping charged cells keeps the camera running. It does not suit users who only need a single spare for occasional top-ups.

Sustained shooting with dual-slot charging

Under continuous use the charger replenishes two batteries at 800mA each from any 5V 2-3A source such as a power bank or laptop port. The LCD shows real-time capacity so you can rotate cells without guessing remaining runtime. It is not for high-drain cinema rigs that demand faster than 800mA per slot or simultaneous charging of more than two packs.

Highlights

  • Four NP-FM50 Li-Ion batteries deliver 2300 mAh each for extended shooting
  • LCD USB dual charger powers two batteries simultaneously with real-time status display
  • Micro-USB and Type-C inputs allow charging from power banks or wall adapters
  • Swappable charging plates support a wide range of Sony battery models
  • 4 V lithium-ion chemistry provides reliable power for compatible Handycam and Cyber-shot models

Specifications

BrandKastar
ModelNP-FM50
Part NumberCH-LTD2-4B-FM50-H
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

Does the LTD2 charger need a specific wall adapter to reach its 5V 2-3A input?

The charger accepts any 5V USB source that can supply 2-3A at 15W, using either the Micro-USB or Type-C port.

How do you set the charger to charge two NP-FM50 batteries at once?

Insert both batteries into the dual slots; the LCD shows each channel at 8.4V 800mA and charges them simultaneously.

When should the four NP-FM50 packs be replaced?

Replace them when the 7.4V 2300mAh cells no longer hold a usable charge after a full 8.4V 800mA cycle on the LCD indicator.

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