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

Kastar

Kastar BP-511/BP-511A 3-pack + LTD2 USB charger

SKU CH-825B-S9G8C

Three lithium-ion batteries and a dual USB charger with LCD status display for Canon EOS and camcorder models

  • Total capacity19.24 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 2600 mAh lithium-ion batteries extend shooting time
  • Dual-slot USB charger powers two packs simultaneously
  • Micro-USB and Type-C inputs allow flexible charging
  • LCD display shows real-time capacity and status
  • Compatible with Canon EOS 5D, 10D, 20D, 30D, 40D, 50D and more

Three Li-Ion batteries and dual-slot USB charger

The pack supplies three 7.4 V 2600 mAh lithium-ion cells rated at 19.24 Wh each, matching the Canon BP-511/BP-511A form factor. They power a long list of EOS, PowerShot, Optura and ZR models from the D30 through the 50D era. Photographers who need several spares for a day of event or travel shooting can carry all three in a small pouch.

Charger limited to 5 V USB input and 800 mA per slot

The LTD2 unit draws 5 V at 2–3 A from either a Micro-USB or USB-C port and delivers 8.4 V at 800 mA to one or two batteries simultaneously. Because the input is capped at 15 W, charging two cells takes roughly twice as long as a single cell, and the charger cannot operate from a legacy USB-A port that only provides 500 mA. Users without a 15 W or higher USB power source will see slower replenishment.

Compact chassis with interchangeable plates

The charger measures roughly five by three by three inches and weighs little enough for a camera bag pocket. Its swappable plate system lets the same dock accept other Canon BP-series batteries, though additional plates are not included. An integrated LCD shows real-time voltage and fill level for each slot, removing guesswork during overnight top-ups. Build feels solid for the price tier, with no loose ports or creaking seams.

How it compares

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

Price $21.99
Pricier than about 65% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameBP-511 BP-511A
Part numberCH-LTD2-3B-BP511-B
Total capacity19.24 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

Should I pick the BP-511 or BP-511A version for my EOS 20D?

Both BP-511 and BP-511A are supported by the charger and the three batteries in this pack, so either model works with your EOS 20D.

What does the 2600 mAh rating deliver in my EOS 5D?

Each 7.4 V 2600 mAh cell stores 19.24 Wh, giving a full day of typical shooting on a single charge in the EOS 5D.

How fast does the USB-C port actually charge two BP-511 packs?

The LTD2 charger outputs 8.4 V at 800 mA per slot, so two batteries charge simultaneously at that rate from any 5 V 2–3 A USB-C source.

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