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Rectangular black lithium-ion battery, 46.2 by 34 by 5.6 mm

Cameron & Co

Cameron & Co DS-CS-BTK112FR 3.7V 900mAh Li-ion battery

SKU CH-0ADQ-V6422

Replacement lithium-ion cell rated 3.7V 900mAh for Flextone, Blaupunkt and Prestigio devices

  • Product typeHome Electronics Battery
  • Li-ion chemistry delivers stable 3.7 V output
  • 900 mAh capacity powers compatible devices longer
  • Fits Flextone BLAUPUNKT BT Drive Free 111 112 211 311
  • Replaces BLAUPUNKT TM533443 and Callstel TM533443 cells
  • Compact 46.20 x 34.00 x 5.60 mm black housing

Compatible battery for Flextone

This 3.7V 900mAh lithium-ion cell replaces the TM533443 1S1P pack used in several Flextone and Blaupunkt hands-free kits. It fits the ECHO HD eR1, BT Drive Free 111, 112, 211, 311, the Callstel BFX-300 and the Prestigio RoadRunner 505. The black unit measures 46.20 x 34.00 x 5.60 mm and delivers 3.33 Wh of capacity.

Suitable for owners replacing a worn original pack

Buyers who need a direct swap for the listed part numbers will find this cell matches the voltage and connector layout. Users whose device requires a different voltage, a higher capacity or a distinct form factor should look at another option. The single-unit pack is intended for one-to-one replacement only.

Steady output during extended hands-free calls

The 0.9 Ah rating supports long talk-time sessions without the voltage sag seen in short bursts. Lithium-ion chemistry maintains a stable 3.7 V through most of the discharge cycle, so audio quality remains consistent. Recharging restores full capacity for the next journey.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 74% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-BTK112FR
Product typeHome Electronics Battery

Questions about this item

Which device models does this 3.7V 900mAh battery replace in my Blaupunkt BT Drive Free unit?

It replaces the original TM533443 1S1P pack in BT Drive Free 111, 112, 211 and 311 models.

Will this Li-ion cell fit the battery compartment of my Prestigio RoadRunner 505 navigator?

Yes, its 46.20 x 34.00 x 5.60 mm dimensions match the BL-4B form factor used in the RoadRunner 505.

How can I confirm the battery is delivering its rated 3.33 Wh after installation?

Measure the pack voltage with a multimeter; a healthy cell reads about 3.7 V under no load.

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