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Black rectangular lithium-ion camera battery with flat contacts and textured sides

Cameron & Co

Cameron & Co DS-CS-PLS100MX camera battery 3400mAh

SKU CH-Q6B3-QPMFW

Replacement lithium-ion battery for Panasonic Lumix S1 and S1R cameras, 7.4 V 3400 mAh capacity

  • Product typeBattery
  • Compatible with Panasonic Lumix S1 and S1R series cameras
  • 3400 mAh lithium-ion capacity for extended shooting sessions
  • 4 V 25.16 Wh energy rating matches original DMW-BLJ31 specifications
  • Compact 72.56 × 41.60 × 21.26 mm form factor fits camera battery compartment
  • Brand-new condition with 100 % OEM compatibility assured

Cameron & Co DS-CS-PLS100MX Camera Battery

This 3400mAh lithium-ion battery powers Panasonic Lumix DC-S1, DC-S1R, S1 and S1R cameras. It replaces the original DMW-BLJ31 and DMW-BLJ31E packs with a 7.4V 25.16Wh capacity. The black cell measures 72.56 x 41.60 x 21.26 mm and is supplied as a single unit.

For Lumix S-Series Owners Needing a Spare

Photographers who want a reliable backup for long shoots or travel will find this a direct fit. Videographers requiring continuous power for extended recording sessions should check the camera's own power-handling limits, as this pack does not add features such as USB charging or higher voltage output.

3400mAh Capacity at 7.4V

The 25.16 watt-hour rating determines how many stills or minutes of video you can capture per charge. If your workflow demands more energy than this single cell provides, you will need additional batteries or an external power solution.

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 nameCameron Sino
Model nameDS-CS-PLS100MX
Product typeBattery

Questions about this item

How much heat or power draw should I expect from the 7.4 V 3400 mAh Li-ion cell during all-day shooting?

The battery stores 25.16 Wh at 7.4 V and 3.4 Ah, so continuous power draw depends entirely on the camera's consumption; the cell itself generates minimal heat under normal load.

What must I already own for this DS-CS-PLS100MX pack to work in my kit?

You need a Panasonic Lumix DC-S1, DC-S1R, S1 or S1R body that accepts a DMW-BLJ31 or DMW-BLJ31E battery, plus a compatible charger for 7.4 V Li-ion cells.

Will this 72.56 × 41.60 × 21.26 mm battery fit and communicate properly in an older Lumix S1 body I plan to keep?

Yes — it matches the DMW-BLJ31/E form factor and 7.4 V 3400 mAh specification, so it seats securely and reports capacity correctly in both S1 and S1R models.

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