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Two Kastar NP-FM50 lithium-ion batteries and an LTD2 dual USB charger with LCD screen

Kastar

Kastar NP-FM50 2-pack battery & LTD2 USB charger for Sony DSC-F717 DSC-F828 DSC-R1 DSC-S30 DSC-S50 DSC-S70

SKU CH-C1TY-275G4

Two 2300 mAh lithium-ion batteries and a dual-slot USB charger with LCD status display for compatible Sony cameras and camcorders

  • Total capacity17.02 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions5 × 3 × 2 in
  • Key featuresLCD USB Dual charger, can charge 2 batteries at the same tim
  • Two 2300 mAh Li-ion packs extend shooting time
  • LCD USB charger powers two batteries simultaneously
  • Micro-USB and Type-C inputs add charging flexibility
  • Intelligent display shows real-time capacity and status
  • Replaces Sony NP-FM50 and works with listed DSC models

Two-pack NP-FM50 batteries with dual USB charger

This Kastar kit supplies two 7.4 V 2300 mAh lithium-ion cells and an LTD2 charger that powers both at once. The set replaces Sony NP-FM50 packs and works with a long list of Cyber-shot and Handycam models from the DSC-F717 through the DSC-S85. It is aimed at photographers who need spare power for extended shooting sessions without carrying a bulky AC adapter.

17.02 Wh capacity per cell

Each battery stores 17.02 Wh, which determines how many frames or minutes of video you can capture between charges. The charger delivers 8.4 V at 800 mA per slot whether one or two cells are inserted, so total charge time scales with the number of batteries rather than the current per bay.

Micro-USB and USB-C input with swappable plates

The charger accepts 5 V 2–3 A from either Micro-USB or USB-C, letting you top up from a power bank, laptop or wall brick. Interchangeable plates mean the same dock can charge other Sony NP-series packs, freeing you from model-specific chargers. A short Micro-USB cable is included for immediate use.

How it compares

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

Price $16.99
Typical for this category: the median of 5,900 items is $17.99.

Specifications

Product
Brand nameKastar
Model nameNP-FM50
Part numberCH-LTD2-2B-FM50-D
Total capacity17.02 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions5 × 3 × 2 in
In the box
Pack contents1 Charger + 2 Batteries

Other versions of this model

5 more in the same range

Questions about this item

What does the 17.02 Wh capacity mean for shooting time on a Sony DSC-F717?

The 17.02 Wh rating equals 2300 mAh at 7.4 V, giving roughly the same runtime as an original Sony NP-FM50 in the DSC-F717.

How does the USB charger connect and what current does it deliver?

The LTD2 charger takes 5 V at 2-3 A via Micro-USB or USB-C and outputs 8.4 V at 800 mA per slot for two batteries.

Will the batteries fit the DSC-F828 battery compartment without modification?

Yes, the NP-FM50 cells match the original dimensions and lock into the DSC-F828 compartment exactly like the Sony battery.

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