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Small black rectangular charger with four battery slots and USB ports

Kastar

Kastar Quadruple USB Charger LI-50B VW-VBX090 D-Li92 DB-100

SKU CH-7TYC-ZBD78

Charges four compatible Olympus, Panasonic or Pentax camera batteries simultaneously via Micro-USB or USB-C with individual status display

  • Total capacityNo Battery
  • Pack contents1 Charger
  • Battery chemistryNoMEM Li-Ion
  • Product typeCharger
  • Product dimensions3.5 × 2 × 2.5 in
  • Key featuresQuadruple USB charger, can charge 4 batteries at the same ti
  • Charges four batteries simultaneously using interchangeable plates
  • Powers Olympus Li-50B, Panasonic VW-VBX090, Pentax D-Li92 cells
  • Intelligent display shows real-time charging status and capacity
  • Dual input options: Micro-USB and USB-C with cable included
  • Compact 3.5 x 2 x 2.5 inch design fits travel bags

Quadruple USB Charger

The Kastar LI-50B charger powers four compatible camera batteries simultaneously from a single USB source. It suits photographers who carry multiple Olympus, Panasonic or Pentax models and want one compact unit for travel or studio use.

Thermals noise and power draw

The charger accepts 5 V at 2–3 A through Micro-USB or Type-C ports and delivers 4.2 V at up to 800 mA per slot when one or two batteries are fitted. Intelligent circuitry displays charge status and capacity without audible fans or noticeable heat during normal operation.

Sustained load behaviour

With three or four batteries installed the output drops to 500 mA per channel, extending total cycle time but keeping each cell within safe limits. The interchangeable plate system lets owners swap battery types without buying separate chargers. Users needing faster single-bay charging or support for newer high-capacity packs should look elsewhere.

How it compares

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

Price $12.99
Cheaper than about 70% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameLI-50B VW-VBX090 D-Li92 DB-100 lb-050 lb-052 GB-50A
Part numberLHD4-0B-LI50B-B
Total capacityNo Battery
Product typeCharger
Power
Battery chemistryNoMEM Li-Ion
Size & build
Product dimensions3.5 × 2 × 2.5 in
In the box
Pack contents1 Charger

Other versions of this model

5 more in the same range

Questions about this item

How do I connect the Kastar LI-50B charger to power, and which step is often missed?

Plug the included Type-C cable into the charger's Type-C or Micro-USB input, then into a 5V 2-3A USB power adapter. The step often missed is using an adapter that supplies at least 2A; lower outputs will not sustain four-bay charging.

What part will need replacement first on the Kastar LI-50B charger?

The interchangeable battery plates wear with repeated swaps. Keep the spare plates for Olympus Li-50B, Panasonic VW-VBX090 and Pentax D-Li92 batteries so you can replace a loose or damaged plate without buying a new charger.

What thermal limit appears first when charging four batteries continuously on the Kastar LI-50B?

The charger reduces each bay to 500mA when all four bays are occupied. Sustained four-bay operation at this rate is the first limit; the unit relies on passive cooling and will throttle if ambient temperature rises.

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