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Three rectangular lithium-ion batteries and a compact dual-slot USB charger with LCD display

Kastar

Kastar BP-915G 3-pack camera batteries with LTD2 USB charger

SKU CH-0CWZ-ZPMCM

Three 7.4 V 3500 mAh lithium-ion batteries and a dual-slot USB charger with Micro-USB and Type-C inputs

  • TypeBattery & Charger
  • Pack1 Charger + 3 Batteries
  • ChemicalLi-Ion
  • Capacity25.9 Wh
  • Dimensions5*3*3 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • Three batteries keep you shooting longer with 3500 mAh each
  • Dual-slot charger powers two packs simultaneously from any USB source
  • LCD screen shows real-time capacity so you know when to swap
  • Micro-USB and Type-C inputs let you recharge from power banks or laptops
  • Compatible with Phase One IQ, IQ3, IQ4, P-series and Riegl FG21-P bodies

Three-battery pack for Phase One and Riegl systems

The Kastar BP-915G set supplies three 7.4 V lithium-ion cells rated at 3500 mAh and 25.9 Wh each, matching the power profile used by Phase One IQ, IQ3, IQ4, P-series and Riegl FG21-P backs. Photographers who need reliable spares for long studio or field sessions can rotate cells without changing voltage or form factor.

Dual-bay USB charger with micro-USB and Type-C input

The included LTD2 charger accepts 5 V at 2–3 A through either port and powers two bays simultaneously at 4.2 V and 800 mA per bay. An LCD panel shows real-time capacity and charging status so operators can confirm progress at a glance.

Interchangeable plate design for future

The charger’s swappable plate system lets the same unit support additional battery types when requirements change, extending the accessory’s useful life beyond the current BP-915G cells. A micro-USB cable is bundled for immediate connection to standard power sources.

Highlights

  • Three batteries keep you shooting longer with 3500 mAh each
  • Dual-slot charger powers two packs simultaneously from any USB source
  • LCD screen shows real-time capacity so you know when to swap
  • Micro-USB and Type-C inputs let you recharge from power banks or laptops
  • Compatible with Phase One IQ, IQ3, IQ4, P-series and Riegl FG21-P bodies

Specifications

BrandKastar
ModelBP-915 BP-915G
Part NumberCH-LTD2-3B-BP915G-I
TypeBattery & Charger
Pack1 Charger + 3 Batteries
ChemicalLi-Ion
Capacity25.9 Wh
Dimensions5*3*3 Inch
FeaturesLCD USB Dual charger, can charge 2 batteries at the same time

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Questions about this item

How do I install the BP-915G batteries into the LTD2 charger, and what step is often missed?

Insert each battery onto the charger plate so the contacts align; the LCD will light up for each slot. The step often missed is using a 5V 2-3A power source — lower current prevents the dual 800 mA output from starting.

What maintenance will the BP-915G batteries and LTD2 charger need over time?

Keep the battery contacts and charger plates clean; store batteries at roughly half charge if unused for weeks. The charger has no user-serviceable parts — replace the unit if the LCD fails to show status or the Micro-USB/Type-C ports become loose.

What limit appears first when the LTD2 charger runs two BP-915G batteries continuously?

The charger caps each slot at 800 mA, so two batteries draw the full 15 W input limit. Sustained dual charging at that rate makes the unit warm; the LCD will dim or pause charging if thermal protection triggers.

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