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Two Kastar BL-5B Li-Ion batteries and a smart LCD charger with foldable flat plug

Kastar

Kastar BL-5B 2-Pack Battery & Smart LCD Charger for BT Drive Free 112 211 311

SKU CH-8XM6-PR2EX

Two 890 mAh lithium-ion batteries and a foldable-plug LCD charger compatible with BT Drive Free 112, 211 and 311

  • Total capacity4.26 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresFoldable Flat Plug
  • Two 890 mAh Li-Ion batteries extend shooting time
  • Smart LCD charger shows red while charging and green when full
  • Foldable flat plug stores neatly for travel
  • 100–240 V input works worldwide without a converter
  • Compatible with BT Drive Free 112, 211, 311 and more

Replacement BL-5B power kit

This pack supplies two 3.7 V 890 mAh lithium-ion cells and a matching wall charger for BT Drive Free 112, 211 and 311 units as well as Callstel BFX-300 and Prestigio RoadRunner 505 models. Each battery stores 4.26 Wh and replaces the original BLAUPUNKT TM533443 1S1P and Callstel TM533443 1S1P part numbers. The set restores recording time without needing proprietary replacements.

Foldable wall charger with status LED

The included charger accepts AC 100–240 V at 50–60 Hz and delivers DC 4.2 V at 600 mA through a foldable flat plug that stores neatly in a bag or glovebox. A red LED shows active charging while a green LED signals standby or full charge so you can confirm status at a glance. No cables are required beyond the mains connection.

890 mAh capacity per cell

Each lithium-ion cell provides 890 mAh at 3.7 V giving 4.26 Wh of energy for compatible dash cameras and remote speakers. Buyers needing higher capacity cells or a different voltage platform will need an alternative solution. The charger output is fixed at 4.2 V 600 mA and cannot be adjusted for other chemistries.

How it compares

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

Price $10.99
Cheaper than about 80% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameBL-5B
Part numberMCH-2B-BL5B-2
Total capacity4.26 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions3 × 2 × 2 in
In the box
Pack contents1 Charger + 2 Batteries

Other versions of this model

5 more in the same range

Questions about this item

What AC voltage range does the charger accept?

The charger accepts AC 100-240V at 50-60Hz for worldwide use.

What are the physical dimensions of the charger unit?

The charger measures 3 by 2 by 2 inches with a foldable flat plug.

How do you insert the battery into the charger correctly?

Align the battery contacts with the charger pins; the LED shows red while charging and green when full.

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