We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Three rectangular lithium-ion batteries and a compact wall charger with foldable flat pins

Kastar

Kastar PS-42B 3-Pack Battery & AC Wall Charger

SKU CH-SAK6-R7827

Three 1400 mAh lithium-ion batteries and a foldable-plug AC charger with red/green LED status for Panasonic cordless handsets

  • Total capacity5.18 Wh
  • Pack contents1 Charger + 3 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 3 in
  • Key featuresFoldable Flat Plug
  • Three 1400 mAh Li-Ion batteries deliver extended talk time
  • AC 100-240 V input works worldwide without a voltage converter
  • Foldable flat plug stores neatly in a bag or drawer
  • LED shows red while charging and green when full
  • Compatible with Panasonic KX-TCA285, KX-TCA385, KX-UDT121, KX-UDT131 and Attune II HD3 handsets

Kastar PS-42B 3-Pack Battery Kit

The Kastar PS-42B kit includes three lithium-ion batteries and a foldable AC wall charger. Each battery delivers 1400mAh at 3.7V with a 5.18 Wh rating. The charger accepts 100 to 240V input and provides a 4.2V 600mA output with LED status lights.

Suits users of listed Panasonic handsets

This set fits Panasonic KX-TCA285, KX-TCA385, KX-UDT121, KX-UDT131, Attune II HD3, WX-CH455, WX-SB100, WX-ST100 and WX-ST300 models. It replaces part numbers ending in 0018, 0019, 0046 and 0047. Buyers needing a different voltage or chemistry should look elsewhere.

Foldable plug charger simplifies travel

The compact wall unit plugs directly into mains power without a separate cable. Red and green LEDs show charge state at a glance. Three cells give extended talk time for compatible DECT handsets and free up outlet space with the flat-pin design.

How it compares

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

Price $20.99
Pricier than about 62% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model namePS-42B
Part numberNOCAR-3B-PS42B-A
Total capacity5.18 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 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

Which Panasonic handset models can I use these PS-42B batteries in?

They fit the KX-TCA285, KX-TCA385, KX-UDT121, KX-UDT131, Attune II HD3, WX-CH455, WX-SB100, WX-ST100 and WX-ST300.

Will the wall charger still work if my mains supply is only 100 V?

Yes, the charger accepts AC 100~240 V 50~60 Hz so it operates on 100 V supplies.

How do I know each battery is fully charged?

The charger LED shows red while charging and turns green when the battery reaches full charge.

More in Camera Batteries, Grips & Chargers

Similar items