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

Kastar

Kastar NP-FM50 4-Pack Battery & LTD2 USB Charger for Sony DSC-F717 DSC-F828 DSC-R1 DSC-S30 DSC-S50 DSC-S70

SKU CH-N947-33V7S

Four 7.4 V 2300 mAh Li-Ion batteries and a dual-bay USB charger with LCD status display

  • Total capacity17.02 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 2300 mAh Li-Ion batteries deliver long shooting sessions
  • Dual-slot USB charger powers two packs at once
  • Micro-USB and Type-C inputs let you charge from many sources
  • LCD screen shows real-time charge status and capacity
  • Compatible with numerous Sony Cyber-shot and Handycam models

Four NP-FM50 batteries with dual USB charger

This set supplies four lithium-ion NP-FM50 cells plus an LTD2 charger that powers two batteries at once. It targets owners of compatible Sony Cyber-shot and Handycam models who need spare power for long shoots or travel. The charger accepts Micro-USB or USB-C input so it works with common power banks and wall adapters.

2300 mAh capacity per cell and simultaneous charging

Each battery stores 2300 mAh at 7.4 V, giving 17.02 Wh of energy for extended recording sessions. The charger delivers 800 mA to each slot when both are occupied, so a depleted pair reaches full charge in a practical timeframe. Users who need more than four cells or faster top-up rates will require additional chargers or higher-current solutions.

Compact charger with LCD status and swappable plates

The LTD2 unit measures five by three by three inches and shows charge level and capacity on an integrated LCD. Its modular plate design lets owners swap inserts for other Sony battery series, while Micro-USB and USB-C ports provide flexible power sources. A Micro-USB cable is included, but no USB-C cable or AC adapter ships in the box.

How it compares

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

Price $27.99
Pricier than about 75% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM50
Part numberCH-LTD2-4B-FM50-D
Total capacity17.02 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

Will the NP-FM50 batteries power my Sony DSC-F717 and DSC-F828 without issues?

Yes, the NP-FM50 2300mAh 7.4V lithium-ion batteries are listed as direct replacements for the original NP-FM50 cells used in the DSC-F717, DSC-F828, DSC-R1, DSC-S30, DSC-S50 and DSC-S70.

How does the LTD2 charger show that both batteries are charging correctly?

The intelligent LCD screen displays real-time charging status and battery capacity percentage for each of the two slots independently.

Which cables and power sources come in the box for the LTD2 charger?

The package includes the LTD2 dual-slot charger, four NP-FM50 batteries and a Micro-USB cable; the charger accepts 5V 2-3A input via Micro-USB or USB-C so you can use any standard USB power adapter or power bank.

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