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Two rectangular lithium-ion batteries and a compact wall charger with foldable flat prongs

Kastar

Kastar PS-42B 2-Pack Li-Ion Battery & AC Charger for Panasonic Attune Headsets

SKU CH-CWD0-4J2M8

Two 3.7 V 1400 mAh lithium-ion batteries and a 100–240 V foldable-plug AC charger for Panasonic Attune drive-thru headsets

  • TypeBattery & Charger
  • Pack1 Charger + 2 Batteries
  • ChemicalLi-Ion
  • Capacity5.18 Wh
  • Dimensions3*2*2 Inch
  • FeaturesFoldable Flat Plug
  • Two 1400 mAh Li-Ion batteries keep headsets powered longer
  • Foldable flat plug on charger makes storage simple
  • AC 100-240 V input works worldwide without adapter
  • LED shows red while charging and green when full
  • Direct replacement for Attune 3020, 3050, I, II and HD3 headsets

Two-Battery Pack with Wall Charger

This set includes two lithium-ion batteries and a matching AC wall charger for Panasonic Attune drive-thru headsets. Each cell delivers 3.7 V and 1400 mAh capacity. The bundle replaces original power packs for Attune 3020, 3050, I, II and II HD3 models.

Foldable-Plug Charger for Continuous Shifts

The charger accepts 100 to 240 V input at 50 or 60 Hz and outputs 4.2 V at 600 mA. A red LED shows charging while green signals full charge or standby. Its foldable flat plug stores flat for compact storage between shifts.

5.18 Wh Capacity Determines Talk Time

Each battery stores 5.18 Wh, which sets the maximum operating time per charge. Buyers needing longer uninterrupted talk time than this capacity allows should look for higher-capacity alternatives.

Highlights

  • Two 1400 mAh Li-Ion batteries keep headsets powered longer
  • Foldable flat plug on charger makes storage simple
  • AC 100-240 V input works worldwide without adapter
  • LED shows red while charging and green when full
  • Direct replacement for Attune 3020, 3050, I, II and HD3 headsets

Specifications

BrandKastar
ModelPS-42B
Part NumberNOCAR-2B-PS42B-P
TypeBattery & Charger
Pack1 Charger + 2 Batteries
ChemicalLi-Ion
Capacity5.18 Wh
Dimensions3*2*2 Inch
FeaturesFoldable Flat Plug

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Questions about this item

How much heat or noise does the AC wall charger produce when left plugged in all day?

The charger runs silently with no fan, and its foldable flat plug design keeps it cool during continuous use.

Which Panasonic headset models must I already own for these batteries to work?

They fit Panasonic Attune 3020, 3050, Attune I, Attune II, Attune II HD3, WX-CH455, WX-SB100 and WX-ST100 drive-thru headsets.

Will the 1400 mAh lithium-ion batteries hold a full shift in my older Attune 3020 headset?

Each 3.7 V, 5.18 Wh cell charges at 4.2 V 600 mA and the LED turns green when full, matching the original runtime.

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