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Two rectangular batteries and a black charger with LCD screen and three slots

Kastar

Kastar LI-42B 2 batteries + LCD triple USB charger

SKU CH-C3A1-FBVB2

Two 3.7 V 1400 mAh Li-Ion batteries with a triple USB charger that powers three cells at once and shows status on an LCD

  • Total capacity5.18 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresLCD USB Triple charger, can charge 3 batteries at the same t
  • Charges three batteries simultaneously with LCD USB triple charger
  • Intelligent LCD shows real-time charging status and battery capacity
  • Powers from USB wall adapter, car charger or computer via Micro USB
  • Two 1400 mAh 3.7 V Li-Ion batteries deliver 5.18 Wh each
  • Compatible with Panasonic DECT handsets including KX-TCA285 and KX-UDT121

Kastar LI-42B twin pack and triple USB charger

This set supplies two lithium-ion batteries rated at 1400 mAh and 3.7 V each, plus a charger that can replenish three cells simultaneously. It targets owners of compatible Panasonic handsets who need ready spares for cordless phones or DECT devices.

LCD triple USB charger limited to 5 V 2 A input

The charger draws 10 W from any standard USB wall adapter, car adapter or computer port via the included Micro USB cable. Its 4.2 V 0.5 A per slot output means each cell charges slowly, so three flat batteries will need several hours to reach full capacity.

5.18 Wh per battery suits light daily use

Each 1400 mAh pack delivers enough talk and standby time for typical office or home handsets. Heavy users who keep handsets off-hook for long shifts will find the capacity runs out before the day ends, requiring a mid-day swap.

How it compares

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

Price $19.99
Pricier than about 60% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameLI-42B
Part numberCH-LED3-2B-PS42B-A
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

What capacity batteries are included in this pack?

Two 1400 mAh lithium-ion batteries at 3.7 V, each rated 5.18 Wh, are supplied with the charger.

How long will a 1400 mAh pack last in a Panasonic KX-TCA285 handset?

Talk and standby time depend on the handset firmware and usage pattern; the 1400 mAh cell simply replaces the original N4FUYYYY0018 or N4FUYYYY0019 pack.

What power sources can run the LCD triple USB charger?

The charger accepts 5 V 2 A (10 W) via Micro USB from a wall adapter, car charger or computer port and delivers 4.2 V 0.5 A to each of three slots.

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