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Small black rectangular charger with LCD screen and three battery slots, micro USB cable included

Kastar

Kastar LI-42B LCD Triple USB Charger camera battery

SKU CH-BC9J-A2R9C

Triple USB charger with LCD screen powers three Li-Ion batteries simultaneously from any 5 V USB source

  • Pack contents1 Charger
  • Battery chemistryNoMEM Li-Ion
  • Product typeCharger
  • Product dimensions3 × 2 × 1 in
  • Key featuresLCD USB Triple charger, can charge 3 batteries at the same t
  • Charges three batteries simultaneously via triple USB ports
  • LCD screen shows real-time charging status and capacity
  • Powered by any 5 V 2 A USB source
  • Compact 3×2×1 inch design fits in a bag
  • Compatible with Panasonic KX-TCA285, KX-UDT121 and more

Kastar LI-42B LCD Triple USB Charger

The Kastar LI-42B is a triple USB charger designed for Panasonic DECT handset batteries. It accepts three compatible packs simultaneously and shows individual status on an integrated LCD screen. The unit draws power from any 5 V 2 A USB source such as a wall adapter, car charger or computer port. A Micro USB cable is included for immediate connection.

LCD display and triple-bay design

The intelligent LCD panel reports real-time charging progress and remaining capacity for each bay. Three independent 4.2 V 0.5 A outputs allow concurrent charging without manual rotation. The compact 3 by 2 by 1 inch form factor makes it practical for desk or travel use. No external power brick is required beyond a standard USB supply.

Capacity coverage and limits

The charger supports Panasonic part numbers N4FUYYYY0018, N4FUYYYY0019, N4FUYYYY0046 and N4FUYYYY0047. Compatible handsets include the KX-TCA285, KX-TCA385, KX-UDT121, KX-UDT131, Attune II HD3, WX-CH455, WX-SB100, WX-ST100 and WX-ST300. It cannot charge batteries outside this list or cells requiring a different voltage profile.

How it compares

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

Price $8.99
Cheaper than about 87% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameLI-42B
Part numberCH-LED3-0B-PS42B-D
Product typeCharger
Power
Battery chemistryNoMEM Li-Ion
Size & build
Product dimensions3 × 2 × 1 in
In the box
Pack contents1 Charger

Other versions of this model

5 more in the same range

Questions about this item

Does the LCD display show individual cell voltage so I know when a Li-Ion pack needs replacing?

The intelligent LCD shows charging status and battery capacity for each of the three slots, letting you spot a pack that no longer reaches full charge.

What limits continuous operation when all three channels run at 0.5 A?

The 5 V 2 A 10 W input caps total power, so sustained triple-channel charging is limited by that 10 W budget.

How much heat or fan noise appears during all-day charging?

No fan is fitted; the charger relies on passive cooling, so it runs silently with only modest warmth at the 10 W input level.

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