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Two compact lithium-ion batteries and a small black charger with four slots and USB-C cable

Kastar

Kastar NP-BY1 2-pack battery and quadruple charger

SKU CH-DDJ5-61D17

Two lithium-ion batteries and a compact charger that powers four cells simultaneously via USB-C or micro-USB

  • Total capacity4.07 Wh
  • Pack contents1 Charger + 2 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
  • Charge four batteries at once with the quadruple USB charger
  • Two 1100 mAh lithium-ion batteries deliver 4.07 Wh each
  • Charger accepts Micro-USB and Type-C inputs for flexible power
  • Intelligent display shows charging status and battery capacity
  • Compatible with Sony NP-BY1, Pentax D-LI78, Ricoh DB-80 and Sanyo DB-L70

Quadruple charger for four batteries

The kit includes a compact charger that powers up to four NP-BY1 type cells simultaneously. Micro-USB and USB-C inputs accept a standard 5 V supply, and a Type-C cable is provided. Intelligent circuitry shows charge status and remaining capacity for each bay.

Lithium-ion cells rated at 4.07 Wh

Two 3.7 V batteries deliver 1100 mAh each, matching the original D-LI78 and NP-BY1 specifications. The charger adjusts output current automatically: 800 mA when one or two cells are inserted, 500 mA with three or four. No AC adapter is included, so any 15 W USB power source will run it.

Replaces single-bay chargers for multi-camera kits

Photographers carrying several compatible Pentax, Sony, Ricoh or Sanyo models can replenish all spares in one session. The swap-in plate design means the same charger works with other battery types when the appropriate plate is fitted. Single-camera owners who rarely need more than one spare gain less benefit.

How it compares

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

Price $15.99
Cheaper than about 57% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameNP-BY1
Part numberLHD4-2B-BY1-B
Total capacity4.07 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3.5 × 2 × 2.5 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 Micro-USB and Type-C input power does the Kastar NP-BY1 charger accept?

The charger accepts 5V 2-3A 15W through both Micro-USB and Type-C ports, and a Type-C cable is included.

What are the physical dimensions of the Kastar NP-BY1 quadruple charger?

The charger measures 3.5 by 2 by 2.5 inches, making it compact for travel or desk use.

How do you correctly insert the batteries into the Kastar NP-BY1 charger to start charging?

Align each battery's contacts with the corresponding plate pins; the intelligent display then shows charging status and capacity for each slot.

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