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Three rectangular batteries and a compact USB charger with LCD screen

Kastar

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

SKU CH-3SPH-TXQFW

Three NP-F550/F570 lithium-ion batteries and a dual-slot LCD charger with Micro-USB and Type-C inputs

  • Total capacity21 Wh
  • Pack contents1 Charger + 3 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
  • Three 2900 mAh Li-Ion packs power longer shoots
  • Dual-slot USB charger tops two cells at once
  • Micro-USB and Type-C inputs suit any power bank
  • LCD read-out shows real-time capacity per slot
  • Replaces NP-F550, NP-F570 and wider NP-F series

Three-Battery Kit for LED Lights and Cinema Cameras

The pack supplies three 7.4 V lithium-ion cells rated at 2900 mAh each, delivering 21 Wh per unit. They are built as direct replacements for NP-F550 and NP-F570 formats used in portable LED panels and the Z Cam E2-F8 full-frame 8K cinema camera.

Dual-Slot Charger with Interchangeable Plates

The included LTD2 charger powers two batteries simultaneously from a single 5 V 2-3 A USB source. Micro-USB and USB-C inputs accept common power banks or wall adapters, while swappable plates extend compatibility across the wider NP-F series without extra hardware.

LCD Status Display and Supplied Cable

An on-board screen shows real-time charge level and capacity for each slot, removing guesswork during location shoots. A Micro-USB cable ships in the box so the charger works immediately from any standard USB power source.

How it compares

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

Price $22.99
Pricier than about 67% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-F550 NP-F570
Part numberCH-LTD2-3B-F570-Z
Total capacity21 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions5 × 3 × 3 in
In the box
Pack contents1 Charger + 3 Batteries

Other versions of this model

5 more in the same range

Questions about this item

How long does a 21 Wh NP-F570 last under continuous LED light load?

Each 21 Wh pack delivers 2900 mAh at 7.4 V; run time depends on the light's draw, so a 15 W panel would run roughly one hour per battery.

Does the LTD2 charger get hot or noisy when charging two batteries all day?

The charger accepts 5 V at 2-3 A (15 W max) and outputs 8.4 V at 800 mA per slot; it has no fan, so heat stays low and operation is silent.

Which cable and power brick do I need to run the charger?

A Micro-USB cable is included; you must supply any 5 V USB source capable of 2-3 A such as a standard phone charger or power bank.

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