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Two rectangular batteries and a white wall charger with foldable plug

Kastar

Kastar 2-Pack Battery & AC Wall Charger for Panasonic DECT Handsets

SKU CH-K8HR-BNCZS

Two lithium-ion batteries and a foldable-plug wall charger for Panasonic DECT handsets

  • Total capacity5.18 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresFoldable Flat Plug
  • Two 1400 mAh Li-Ion batteries extend talk time
  • Foldable flat plug makes the charger easy to store
  • LED shows red while charging and green when full
  • Universal 100-240 V input works worldwide
  • Replaces Panasonic N4FUYYYY0018, 0019, 0046, 0047

Compatible Handset Models

This Kastar pack includes two lithium-ion batteries and a foldable AC wall charger built for Panasonic DECT handsets. It fits the KX-TCA285, KX-TCA385, KX-UDT121, KX-UDT131, Attune II HD3, WX-CH455, WX-SB100, WX-ST100 and WX-ST300 models. Each battery delivers 3.7 volts and 1400 milliampere-hours for reliable talk time.

Charging Limits

The charger accepts AC input from 100 to 240 volts at 50 or 60 hertz and supplies DC output at 4.2 volts and 600 milliamps. A red LED shows active charging while a green LED signals standby or a full charge. The foldable flat plug reduces bulk when the unit is stored or packed for travel.

Installation Notes

Users simply insert a battery into the charger and plug the unit into a wall outlet; no cables or cradles are required. The foldable prongs can catch on tight power strips if adjacent sockets are occupied. Buyers needing to charge more than two batteries simultaneously or wanting a desktop cradle will need a different solution.

How it compares

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

Price $15.99
Cheaper than about 57% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model namePS-42B
Part numberNOCAR-2B-PS42B-B
Total capacity5.18 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 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 know which Panasonic handset this two-battery pack fits?

It replaces Panasonic part numbers N4FUYYYY0018, N4FUYYYY0019, N4FUYYYY0046 and N4FUYYYY0047, and works with KX-TCA285, KX-TCA385, KX-UDT121, KX-UDT131, Attune II HD3, WX-CH455, WX-SB100, WX-ST100 and WX-ST300 DECT handsets.

What does the 1400 mAh rating mean for daily talk time?

Each 3.7 V lithium-ion cell stores 1400 mAh (5.18 Wh), giving typical DECT handset talk time of several hours per full charge depending on handset power draw.

What input voltage does the wall charger accept and what current does it deliver?

The foldable-plug charger accepts AC 100–240 V at 50–60 Hz and outputs DC 4.2 V at 600 mA, with a red LED while charging and green when full.

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