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A rectangular lithium-ion battery and a compact dual-slot USB charger with LCD display

Kastar

Kastar NP-FW50 1650mAh 11.8Wh battery with LTD2 USB dual charger

SKU CH-31S4-C3VAN

One 1650 mAh 11.8 Wh Li-Ion battery and a dual USB charger that powers two packs at once from Micro-USB or Type-C

  • TypeBattery & Charger
  • Pack1 Charger + 1 Battery
  • ChemicalLi-Ion
  • Capacity11.8 Wh
  • Dimensions5*3*2 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • 1650mAh Li-Ion cell powers extended shooting sessions
  • LCD dual charger refills two batteries simultaneously
  • Micro-USB and Type-C inputs enable flexible charging
  • Intelligent display shows real-time capacity and status
  • Wide Sony Alpha, NEX and Cyber-shot compatibility

NP-FW50 battery and dual USB charger

This kit pairs a 1650 mAh lithium-ion cell with a compact charger that accepts Micro-USB or Type-C power. It targets owners of Sony Alpha and NEX cameras who want a spare battery and a flexible way to recharge it away from a wall outlet.

Charger handles two batteries at once

The LTD2 unit can charge two NP-FW50 packs simultaneously and its plates are swappable for other battery types. An LCD panel shows real-time capacity and charging status, while the 5 V 2-3 A input draws from common USB power banks or adapters.

Limited to 7.2 V 1650 mAh cells

Output is fixed at 8.4 V 800 mA per slot, so larger-capacity packs will charge more slowly than their rated current. The charger only supports batteries that share the NP-FW50 footprint and voltage, ruling out higher-voltage cinema blocks or proprietary formats.

Highlights

  • 1650mAh Li-Ion cell powers extended shooting sessions
  • LCD dual charger refills two batteries simultaneously
  • Micro-USB and Type-C inputs enable flexible charging
  • Intelligent display shows real-time capacity and status
  • Wide Sony Alpha, NEX and Cyber-shot compatibility

Specifications

BrandKastar
ModelNP-FW50
Part NumberCH-LTD2-1B-FW50-P
TypeBattery & Charger
Pack1 Charger + 1 Battery
ChemicalLi-Ion
Capacity11.8 Wh
Dimensions5*3*2 Inch
FeaturesLCD USB Dual charger, can charge 2 batteries at the same time

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Questions about this item

What USB inputs does the LTD2 charger accept and what output current does it deliver per slot?

The charger accepts Micro-USB and USB-C at 5 V 2–3 A and outputs 8.4 V 800 mA per slot for up to two NP-FW50 batteries.

What are the physical dimensions of the charger and battery pack?

The combined pack measures 5 by 3 by 2 inches, making it compact for travel bags.

How do you start charging and what does the LCD show during the cycle?

Connect a 5 V USB source, insert one or two batteries, and the LCD displays real-time charging status and capacity percentage.

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