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Four Kastar DMW-BLK22 batteries and a dual-slot USB charger with LCD screen

Kastar

Kastar DMW-BLK22 4-pack batteries with LTD2 USB charger

SKU CH-6ET2-J7THP

Four 7.2 V 2200 mAh Li-ion batteries plus a dual-slot USB charger with LCD status display

  • TypeBattery & Charger
  • Pack1 Charger + 4 Batteries
  • ChemicalLi-Ion
  • Capacity15.8 Wh
  • Dimensions5*3*3 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • Four batteries and a dual charger power extended shoots
  • 2200 mAh lithium-ion cells deliver 15.8 Wh each
  • Charge two packs simultaneously via Micro-USB or USB-C
  • LCD screen shows real-time capacity and charging status
  • Compatible with Panasonic Lumix GH5 II, GH6 and S5 series

Four batteries and a dual USB charger

The Kastar DMW-BLK22 pack supplies four 7.2 V lithium-ion batteries rated at 2200 mAh each and a LTD2 charger that powers two cells simultaneously from any 5 V USB source. Photographers using compatible Panasonic Lumix bodies can keep shooting while depleted packs recharge.

Charges from USB-C or Micro-USB

The charger accepts 5 V 2–3 A input through either port and delivers 4.2 V at 800 mA per slot, with an LCD showing real-time capacity for both bays. No dedicated AC adapter is required, so the kit runs from power banks, laptop ports or wall adapters already in a camera bag.

Replaces the Panasonic DMW-BLK22 and DMW-BTC15

Swapping to this four-pack makes sense when a single original battery no longer covers a full day of stills or video on the Lumix DC-S5 or DC-S5KK. It does not suit owners of cameras that use a different battery form factor or voltage.

Highlights

  • Four batteries and a dual charger power extended shoots
  • 2200 mAh lithium-ion cells deliver 15.8 Wh each
  • Charge two packs simultaneously via Micro-USB or USB-C
  • LCD screen shows real-time capacity and charging status
  • Compatible with Panasonic Lumix GH5 II, GH6 and S5 series

Specifications

BrandKastar
ModelDMW-BLK22
Part NumberCH-LTD2-4B-BLK22-B
TypeBattery & Charger
Pack1 Charger + 4 Batteries
ChemicalLi-Ion
Capacity15.8 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

How long can I shoot continuously before the 15.8 Wh capacity is exhausted?

Each 2200 mAh cell stores 15.8 Wh, so runtime depends on the camera's power draw rather than a fixed time limit.

Does the LTD2 charger become noisy or hot when both bays run at 800 mA for hours?

The charger outputs 4.2 V at 800 mA per bay with no fan, so it stays silent and only warm under sustained dual-bay charging.

Which power source must I already have to run the charger at its 15 W input rating?

Any 5 V USB supply capable of 2–3 A — such as a standard phone adapter or power bank — will drive the Micro-USB or Type-C input at full speed.

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