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A rectangular black lithium-ion battery and a compact dual-slot USB charger with an LCD screen

Kastar

Kastar BP-915G 3500mAh battery with LTD2 USB dual charger

SKU CH-TRG7-ZECBN

A 3500mAh lithium-ion battery and dual USB charger with LCD status display for Phase One digital backs

  • Total capacity25.9 Wh
  • Pack contents1 Charger + 1 Battery
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions5 × 3 × 2 in
  • Key featuresLCD USB Dual charger, can charge 2 batteries at the same tim
  • 3500mAh Li-ion cell powers Phase One backs longer
  • 9 Wh capacity supports extended shooting sessions
  • LTD2 dual charger refills two batteries simultaneously
  • Micro-USB and USB-C inputs offer flexible power sources
  • LCD screen shows real-time charge level and status

Battery and dual charger kit

The Kastar BP-915G lithium-ion pack delivers 7.4V and 3500mAh capacity for Phase One digital backs including P45, P45+, P65, P65+ and XF 70301. The bundle includes one battery and the LTD2 charger that accepts Micro-USB or Type-C input at 5V 2-3A.

Sustained charging behaviour

The charger supplies 4.2V at 800mA whether one or two cells are inserted, so the rate does not drop when both bays are occupied. An LCD panel shows real-time status and remaining capacity during the cycle.

Installation and common issues

Swapping the plate lets the same charger serve other compatible models such as Riegl FG21-P units. The only cable supplied is Micro-USB, so a Type-C lead must be sourced separately if that port is preferred.

How it compares

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

Price $19.99
Pricier than about 60% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameBP-915 BP-915G
Part numberCH-LTD2-1B-BP915G-K
Total capacity25.9 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions5 × 3 × 2 in
In the box
Pack contents1 Charger + 1 Battery

Other versions of this model

5 more in the same range

Questions about this item

Does the LTD2 charger get hot or make noise when charging two BP-915G batteries continuously?

The charger runs from a 5 V 2-3 A USB supply and outputs 4.2 V at 800 mA per slot, so heat and noise stay low during all-day use.

Which power source must I already have to run the LTD2 dual charger?

You need any USB power adapter or port that can deliver 5 V at 2-3 A (15 W) via Micro-USB or Type-C.

Will the BP-915G battery work in my Phase One P45+ back without firmware changes?

Yes, the 7.4 V 3500 mAh BP-915G is listed as compatible with the P45, P45+ and other Phase One backs.

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