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Flat rectangular black lithium-polymer laptop battery, 293.10 by 107.50 by 5.34 mm

Cameron & Co

Cameron & Co DS-CS-BPS31NB laptop battery 7.4V 4400mAh 32.56Wh Li-Polymer black

SKU CH-DVTE-EQKC6

Li-Polymer replacement battery for Sony VAIO Duo 11 models, 7.4 V 4400 mAh 32.56 Wh

  • Product typeBattery
  • Powers Sony VAIO Duo 11 with 7.4V 4400mAh Li-Polymer cell
  • 56Wh capacity supports extended mobile work sessions
  • Replaces VGP-BPL31, VGP-BPS31 and VGP-BPS31A original batteries
  • Slim 5.34mm profile fits original chassis without modification
  • Brand-new Cameron Sino unit with 100% OEM compatibility

DS-CS-BPS31NB 7.4 V 4400 mAh battery

This Cameron & Co replacement battery uses Li-Polymer chemistry to deliver 7.4 V and 4400 mAh, giving 32.56 Wh of capacity. It is built for the Sony VAIO Duo 11 series and matches the original VGP-BPL31, VGP-BPS31 and VGP-BPS31A part numbers. The pack measures 293.10 x 107.50 x 5.34 mm and comes in black.

Suits owners of listed VAIO Duo 11 models needing

Buyers with a Sony SVD11213CX, SVD11215CXB, SVD11216PA or any other model in the compatibility list can install this unit without modification. It is not for users of other Sony ranges, different laptop brands, or devices that require a different voltage or form factor.

7.4 V 4400 mAh capacity decides fit

The single specification that determines whether this is the correct part is the 7.4 V 4400 mAh rating; only systems designed for that exact voltage and capacity should use this battery.

How it compares

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

Price $51.99
Pricier than about 83% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-BPS31NB
Product typeBattery

Questions about this item

How can I confirm the battery is recognised and charging correctly after fitting it?

The system should show a 7.4 V, 4400 mAh pack and report normal charge and discharge cycles in the power manager.

What items are included with the DS-CS-BPS31NB battery?

One 7.4 V 4400 mAh Li-Polymer battery measuring 293.10 x 107.50 x 5.34 mm in black.

Which capacity version should I choose for a Sony VAIO Duo 11 SVD11215CXB?

This model is the 4400 mAh / 32.56 Wh version that matches the original VGP-BPS31 and VGP-BPS31A part numbers.

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