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Four rectangular batteries and a compact charger with four slots

Kastar

Kastar 4-Pack D-Li92 Battery and Quadruple Charger

SKU CH-JA5K-D6HFF

Four 1800 mAh lithium-ion batteries and a quadruple USB charger compatible with Pentax Optio WG series, Olympus Tough and Panasonic HX-WA cameras

  • Total capacity6.66 Wh
  • Pack contents1 Charger + 4 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3.5 × 2 × 2.5 in
  • Key featuresQuadruple USB charger, can charge 4 batteries at the same ti
  • Four 1800 mAh Li-Ion batteries deliver reliable power
  • Quadruple charger fills all four cells simultaneously
  • Micro-USB and Type-C inputs accept multiple power sources
  • Charger shows real-time status and remaining capacity
  • Works with Olympus, Panasonic and Pentax camera models

Four-battery kit with simultaneous charger

The Kastar kit supplies four lithium-ion cells rated at 3.7 V and 1800 mAh each, together with a compact charger that can replenish all four at once. It targets photographers using compatible Olympus, Panasonic or Pentax models such as the Optio WG-10 through WG-70, XZ-10 or TG-610 series who need ready spares for long shooting days. Each cell delivers 6.66 Wh and replaces the D-Li92, LI-50B or VW-VBX090 packs originally fitted to those cameras.

Sustained charging behaviour

The charger accepts 5 V at 2–3 A via Micro-USB or USB-C and distributes current across the bays: up to 800 mA per cell when one or two are inserted, dropping to 500 mA each when three or four charge together. An on-board display shows individual capacity and status so users can track progress without guesswork. The intelligent circuit manages heat and voltage per bay during extended multi-cell sessions.

USB power delivery limits

Because the charger draws its supply from any standard USB source, total output is capped by the 15 W input ceiling and the per-bay current steps described above. Users relying on low-power ports or older hubs may see slower fills, especially with all four cells docked. No AC adapter is included, so the practical charge rate depends entirely on the USB host the buyer connects.

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 nameLI-50B VW-VBX090 D-Li92 DB-100 lb-050 lb-052 GB-50A
Part numberLHD4-4B-LI50B-H
Total capacity6.66 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3.5 × 2 × 2.5 in
In the box
Pack contents1 Charger + 4 Batteries

Other versions of this model

5 more in the same range

Questions about this item

Does the quadruple charger generate noticeable heat or fan noise when all four 1800mAh batteries charge at 500mA each?

The charger runs from a 5V 2-3A 15W input and drops to 500mA per slot with four batteries, so heat stays low and there is no fan.

What power source must I already have to run the charger via its Micro-USB or Type-C ports?

Any 5V 2-3A USB adapter or power bank with Micro-USB or Type-C output; a Type-C cable is included.

Will these 3.7V 1800mAh D-Li92 replacements work in my older Optio WG-10 and WG-20 bodies without firmware issues?

Yes — the pack is listed for Optio WG-10 through WG-70, so the WG-10 and WG-20 are fully supported.

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