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Rectangular lithium-ion battery with foldable-plug AC wall charger, both matte black

Kastar

Kastar BP-915G camera battery and AC wall charger

SKU CH-QYWG-EBF0P

Lithium-ion 7.4 V 3500 mAh battery with 100–240 V foldable wall charger for Phase One P25 through P65+ and IQ backs

  • Total capacity25.9 Wh
  • Pack contents1 Charger + 1 Battery
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresFoldable Flat Plug
  • 3500 mAh lithium-ion cell powers Phase One backs through long sessions
  • 9 Wh capacity meets airline carry-on limits for travel shoots
  • Foldable flat plug stores neatly in gear bags without snagging
  • 100–240 V AC input charges worldwide without extra adapters
  • Red-to-green LED shows charge status at a glance

Replacement power for Phase One backs

The Kastar BP-915G kit supplies a 7.4 V 3500 mAh lithium-ion cell rated at 25.9 Wh plus a matching AC wall charger. It is built for photographers using Phase One P25 through P65+ backs, IQ-series modules and the Riegl FG21-P who need a dependable spare or primary power source.

Foldable plug charger with LED status

The included charger accepts 100–240 V AC input and delivers 4.2 V 600 mA DC output. Its foldable flat pin reduces bulk in a gear bag while a red LED shows charging and a green LED signals standby or full charge.

Direct battery swap with no tools required

Installation is a simple matter of sliding the cell into the camera back until it clicks; the charger plugs straight into mains power. The only common issue is forgetting to seat the battery fully, which leaves the contacts misaligned and prevents power-up.

How it compares

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

Price $18.99
Pricier than about 55% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameBP-915G
Part numberNOCAR-1B-BP915G-J
Total capacity25.9 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 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

How often will the BP-915G lithium-ion battery need replacing under regular use?

The 3500 mAh, 7.4 V cell is rated at 25.9 Wh; typical lithium-ion packs last several hundred full charge cycles before capacity drops noticeably.

What limits the charger during back-to-back charging sessions?

The AC wall charger outputs 4.2 V at 600 mA, so each full recharge takes several hours and the single-bay design only handles one battery at a time.

Does the charger get hot or draw much power when left plugged in all day?

The unit accepts 100–240 V AC at 50–60 Hz and uses a foldable flat plug; its low 600 mA DC output keeps heat and standby draw minimal.

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