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A Kastar NP-F550/F570 lithium-ion battery and LTD2 dual USB charger with LCD display

Kastar

Kastar NP-F550/F570 Battery & LTD2 USB Charger 1-Pack Sony DSC-CD100 CD250 CD400 D700 GVM LED480 LED520 LED672

SKU CH-1B7J-5FZYG

One lithium-ion battery and a dual USB charger that powers two packs at once for Sony camcorders and GVM LED lights

  • TypeBattery & Charger
  • Pack1 Charger + 1 Battery
  • ChemicalLi-Ion
  • Capacity21 Wh
  • Dimensions5*3*2 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • 21 Wh capacity powers extended shooting sessions
  • 2900 mAh lithium-ion cell delivers reliable runtime
  • Dual-slot USB charger refills two batteries simultaneously
  • Micro-USB and Type-C inputs offer flexible power sources
  • LCD screen shows real-time charge status and capacity

Battery and charger kit

This kit combines a 2900 mAh lithium-ion NP-F550/F570 battery with an LTD2 dual-slot USB charger. It powers Sony Cyber-shot DSC-CD100, CD250, CD400 and D700 cameras as well as GVM LED480, LED520 and LED672 video lights. The package suits photographers and videographers needing a compact spare power source.

Thermals and power

The charger accepts 5 V at 2–3 A through Micro-USB or USB-C inputs and delivers 8.4 V at 800 mA per slot, charging two batteries simultaneously. An LCD panel shows real-time capacity and charging status. The 21 Wh battery uses standard lithium-ion chemistry with no active cooling required.

Accessory impact

A Micro-USB cable is included for immediate connection to USB power adapters or power banks. Interchangeable charging plates let the unit handle other NP-F series batteries beyond the supplied model. The dual-slot design cuts total recharge time when both cells are depleted.

Highlights

  • 21 Wh capacity powers extended shooting sessions
  • 2900 mAh lithium-ion cell delivers reliable runtime
  • Dual-slot USB charger refills two batteries simultaneously
  • Micro-USB and Type-C inputs offer flexible power sources
  • LCD screen shows real-time charge status and capacity

Specifications

BrandKastar
ModelNP-F550 NP-F570
Part NumberCH-LTD2-1B-F570-Y
TypeBattery & Charger
Pack1 Charger + 1 Battery
ChemicalLi-Ion
Capacity21 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

How do I install the NP-F570 battery into the LTD2 charger and what step is often missed?

Slide the battery onto the charger plate until the contacts click; the step people miss is selecting the correct plate for the NP-F550/570 size before inserting the battery.

What maintenance will the 2900 mAh Li-Ion battery need over time?

Store it at roughly half charge if unused for weeks, recharge every few months to prevent deep discharge, and replace the cell once runtime drops noticeably below the rated 21 Wh.

What limit appears first when the charger runs continuously at 8.4 V 800 mA per slot?

The 15 W input ceiling (5 V 3 A) caps total power, so charging two batteries simultaneously hits the input limit before the per-slot output limit.

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