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Two Kastar NP-FM500H batteries and an LTD2 USB dual charger with LCD screen

Kastar

Kastar NP-FM500H 2-Pack Battery & LTD2 USB Charger for Sony SLT-A77 series, Alpha 77II, Alpha 99

SKU CH-559N-CTHYH

Two 2400 mAh lithium-ion batteries and a dual USB charger with LCD status for Sony Alpha and SLT cameras

  • Total capacity7.76 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 2400 mAh Li-Ion batteries keep you shooting longer
  • LCD USB dual charger powers both cells at once
  • Micro-USB and Type-C inputs let you charge from many sources
  • Intelligent LED display shows real-time charge status and capacity
  • Charger delivers 8.4 V at 800 mA per slot for reliable replenishment

Two 2400 mAh Li-Ion batteries and dual USB charger

This pack supplies two NP-FM500H compatible batteries rated at 7.4 V and 2400 mAh each, delivering 7.76 Wh per cell. The bundled LTD2 charger powers both simultaneously from any 5 V 2–3 A USB source using Micro-USB or Type-C input. Photographers using Sony Alpha and SLT bodies from the A200 through A900 and SLT-A57 to SLT-A77 II gain a lightweight spare-power solution.

Cool, silent charging from standard USB power

Each battery draws 800 mA at 8.4 V while charging, with the charger limited to 15 W total input so it runs cool and fan-less. The intelligent LCD shows real-time capacity and status for both slots, letting you monitor progress without noise or heat concerns. No AC adapter is required, so a common power bank or wall brick keeps the kit running quietly on location.

Compact charger with swappable plates and dual

The LTD2 unit measures 5 by 3 by 2 inches and accepts Micro-USB or Type-C cables, including the supplied Micro-USB lead. Interchangeable plates let the same charger serve other battery types, reducing the number of devices you carry. Photographers needing more than two batteries or a dedicated AC dock will need additional chargers or higher-capacity cells not included in this set.

How it compares

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

Price $18.99
Pricier than about 55% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-FM500H
Part numberCH-LTD2-2B-FM500H-K
Total capacity7.76 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

How do I install the batteries into the Kastar LTD2 charger, and what step do people often get wrong?

Slide each NP-FM500H pack into a bay until it clicks; the common mistake is inserting a battery backwards so the contacts do not align.

What maintenance or replacement will the Kastar NP-FM500H batteries need over time?

Lithium-Ion cells degrade after several hundred cycles; replace them when a full charge no longer powers your Alpha 77II or Alpha 99 for a typical shoot.

What limit appears first when the Kastar LTD2 charger runs continuously on USB power?

The 5 V 2-3 A input caps total draw at 15 W, so charging two 7.4 V packs at 800 mA each is the sustained ceiling.

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