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Three rectangular lithium-ion camera batteries with dark matte finish

Kastar

Kastar BP-915G 3-Pack camera battery

SKU CH-118G-K9TMM

Three 7.4 V 3500 mAh lithium-ion packs replace Phase One IQ, P and Riegl FG21-P batteries

  • Total capacity25.9 Wh
  • Pack contents3 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery
  • Product dimensions3 × 2 × 3 in
  • Key featuresHigh Capacity and Manufacture Price.
  • Extended shooting sessions with 25.9 Wh capacity
  • Reliable power at 7.4 V and 3500 mAh
  • Built-in protection against over-charge and over-heating
  • Certified to UL1642 and CE safety standards
  • Three-pack covers Phase One IQ, IQ3, IQ4 and P-series bodies

Three-Pack Li-Ion Replacement

This three-pack supplies Kastar BP-915G lithium-ion batteries rated at 7.4 V and 3500 mAh each. They are built as direct replacements for Phase One IQ, IQ3, IQ4, Laser IQ, and P-series backs including the P25, P30, P40, P45 and P65 models. The pack also fits Riegl FG21-P units.

25.9 Wh Energy Limit

Each cell stores 25.9 Wh, which determines how many frames or minutes of capture you can record before recharging. The chemistry is Li-Ion with integrated protection against over-charge, over-discharge, over-voltage, over-current and over-heating. No higher-capacity version is offered in this listing.

Verify Your Back Model

Confirm that your digital back appears in the compatibility list — Phase One XF 70301, IQ, IQ3, IQ4, Laser IQ, P25, P25+, P30, P30+, P40, P40+, P45, P45+, P65, P65+ or Riegl FG21-P. Batteries for other Phase One or Riegl models are not covered by this pack.

How it compares

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

Price $37.99
Pricier than about 83% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameBP-915G
Part numberBA-3B-BP915G-H
Total capacity25.9 Wh
Product typeBattery
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 3 in
In the box
Pack contents3 Batteries

Other versions of this model

5 more in the same range

Questions about this item

Should I buy the 3-pack or a single BP-915G battery?

The listing is a 3-pack containing three 7.4 V 3500 mAh lithium-ion cells, each rated at 25.9 Wh, giving you three full spares for extended shoots.

How long will a 25.9 Wh battery run my Phase One IQ back?

At 7.4 V and 3500 mAh the cell stores 25.9 Wh; actual run time depends on the back’s power draw, but the capacity matches the original BP-915G specification.

Does the BP-915G use a proprietary connector or a standard interface?

The battery is a direct replacement for the Phase One BP-915G and fits the same cavity and contacts used across the IQ, IQ3, IQ4, P25, P30, P40, P45 and P65 series backs.

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