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Two rectangular batteries and a compact wall charger with foldable plug

Kastar

Kastar LB-50 2-pack battery and AC wall charger

SKU CH-Z4BZ-8EP7S

Two 3.7 V 1400 mAh lithium-ion batteries with a foldable-plug AC charger that operates on 100-240 V input and shows red while charging, green when full

  • Total capacity5.18 Wh
  • Pack contents1 Charger + 2 Batteries
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions3 × 2 × 2 in
  • Key featuresFoldable Flat Plug
  • Two spare batteries keep Lectrosonics gear running longer
  • 1400 mAh lithium-ion cells deliver 5.18 Wh each
  • Foldable flat plug makes the charger easy to pack
  • 100-240 V input works worldwide without a converter
  • LED shows red while charging and green when full

Replacement power for Lectrosonics gear

The Kastar LB-50 kit supplies two lithium-ion batteries and an AC wall charger compatible with Lectrosonics LB-50, SSM Transmitter, IFBR1B Receiver, IFBR1B Bodypack Receiver and part 40117. Each cell delivers 3.7 V, 1400 mAh and 5.18 Wh. The charger accepts 100–240 V input and provides 4.2 V at 600 mA with red and green LED status lights. A foldable flat plug keeps the unit compact for travel.

Upgrade from single OEM cells or dead packs

Swapping a single factory battery for this twin-pack doubles available runtime and adds a dedicated wall charger so you no longer need the original docking station. The jump is worth it when a shoot day exceeds one battery cycle or when the original charger is lost, damaged or tied up in another kit. The universal AC input also removes the need for a separate travel adapter on international jobs.

Suits location sound teams and multi-day shoots

Audio engineers running Lectrosonics SSM transmitters or IFBR1B receivers on consecutive days will appreciate the ready spare and standalone charger. Users who only need a single replacement cell or who prefer charging inside the transmitter via USB should look elsewhere, as this kit is built around a two-battery, wall-powered workflow.

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 nameLB-50
Part numberNOCAR-2B-LB50
Total capacity5.18 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

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Questions about this item

Will the charger plug into a standard UK socket?

The charger accepts AC 100~240V 50~60Hz input, so it works on UK mains voltage with a suitable travel adapter.

How do I know when each LB-50 battery is fully charged?

Insert a battery into the charger; a red LED means charging, and a green LED means the 1400mAh cell is full.

When should I replace the two LB-50 batteries?

Replace them when run-time in your Lectrosonics SSM transmitter or IFBR1B receiver drops noticeably below the rated 5.18 Wh capacity.

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