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

Kastar

Kastar 3-Pack NP-F550/F570 Battery & LTD2 USB Charger

SKU CH-Q4X8-M8E1Q

Three 7.4 V lithium-ion batteries with a dual USB charger that powers two cells simultaneously

  • TypeBattery & Charger
  • Pack1 Charger + 3 Batteries
  • ChemicalLi-Ion
  • Capacity21 Wh
  • Dimensions5*3*3 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • Three 2900 mAh lithium-ion packs extend shooting time
  • 21 Wh per cell delivers reliable power for long sessions
  • Dual-bay USB charger refills two batteries together
  • Micro-USB and USB-C inputs allow flexible charging sources
  • LCD read-out shows real-time capacity and charging status

Three-Battery Kit for Sony Camcorders

This pack supplies three lithium-ion NP-F550/F570 cells plus an LTD2 dual charger. Each battery stores 21 Wh at 7.4 V and 2900 mAh. The set suits operators who need extended run-time on compatible Handycam and HVR models without carrying a bulky mains adapter.

USB Charging Limits Two Simultaneous Cells

The charger draws 5 V at 2–3 A from Micro-USB or Type-C sources and delivers 8.4 V at 800 mA per slot. Only two batteries charge at once, so the third must wait its turn. An LCD panel shows status and capacity for each bay. No AC cable is included.

21 Wh Capacity Decides Endurance

Each cell provides 21 Wh, which determines how long a camera runs before a swap. Videographers recording multi-hour events should calculate total watt-hours against their camera draw. Users needing more storage per battery must choose a higher-capacity NP-F series.

Highlights

  • Three 2900 mAh lithium-ion packs extend shooting time
  • 21 Wh per cell delivers reliable power for long sessions
  • Dual-bay USB charger refills two batteries together
  • Micro-USB and USB-C inputs allow flexible charging sources
  • LCD read-out shows real-time capacity and charging status

Specifications

BrandKastar
ModelNP-F550 NP-F570
Part NumberCH-LTD2-3B-F570-W
TypeBattery & Charger
Pack1 Charger + 3 Batteries
ChemicalLi-Ion
Capacity21 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

What does the 21 Wh capacity mean for actual shooting time?

The 21 Wh rating reflects the energy stored in each 7.4 V 2900 mAh cell; real-world run-time depends on the camera’s power draw, so a camcorder averaging 10 W would run roughly two hours per battery.

How does the USB charger limit charging speed?

The LTD2 charger accepts 5 V at 2–3 A (15 W max) via Micro-USB or USB-C and delivers 8.4 V at 800 mA per slot, so two batteries charge simultaneously at that fixed current.

Which pack should I choose if I need spare cells for a Sony HVR-Z5?

This 3-pack supplies three NP-F550/F570 compatible batteries and a dual-slot USB charger, giving you two charging bays and one ready spare for the HVR-Z5.

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