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Kastar LB-50 lithium-ion battery with LTD2 dual USB charger showing LCD display

Kastar

Kastar LB-50 1400mAh Battery & LTD2 USB Charger

SKU CH-9GH1-CN29H

Lithium-ion 1400 mAh pack with dual-slot USB charger showing capacity on an LED display

  • Total capacity5.18 Wh
  • Pack contents1 Charger + 1 Battery
  • Battery chemistryLi-Ion
  • Product typeBattery & Charger
  • Product dimensions5 × 3 × 2 in
  • Key featuresLCD USB Dual charger, can charge 2 batteries at the same tim

Configuration 1 Charger + 1 Battery

  • 1400mAh Li-Ion cell powers Lectrosonics transmitters and receivers
  • 18 Wh capacity delivers reliable runtime for field recording
  • Dual-bay LTD2 charger replenishes two batteries simultaneously
  • Micro-USB and USB-C inputs allow flexible power sources
  • Intelligent LCD shows real-time charge status and capacity

Compatible power kit for Lectrosonics gear

This set supplies a 1400mAh lithium-ion cell rated at 3.7V and 5.18Wh together with an LTD2 dual-slot USB charger. It replaces the Lectrosonics LB-50 battery and works with 40117, SSM transmitter, IFBR1B and IFBR1B Bodypack receiver units.

Check device model and USB power source

Verify that your equipment accepts the LB-50 form factor before ordering. The charger requires a 5V 2-3A 15W USB supply via Micro-USB or Type-C input; a Micro-USB cable is included. Each slot delivers 4.2V at 800mA whether one or two cells are inserted.

Suits audio pros needing spare cells on location

Ideal for sound mixers and boom operators who want a lightweight backup that charges from common USB power banks. Not for users who need higher-capacity packs for all-day shoots without recharging, or teams requiring a multi-bay dock for more than two cells at once.

How it compares

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

Price $9.99
Cheaper than about 83% of the 5,900 comparable items (median $17.99).

Specifications

Product
Brand nameKastar
Model nameLB-50
Part numberCH-LTD2-1B-LB50
Total capacity5.18 Wh
Product typeBattery & Charger
Power
Battery chemistryLi-Ion
Size & build
Product dimensions5 × 3 × 2 in
In the box
Pack contents1 Charger + 1 Battery

Other versions of this model

5 more in the same range

Questions about this item

What comes in the box and do I need to buy a power adapter separately?

The package includes one LB-50 1400 mAh lithium-ion battery, the LTD2 dual-bay USB charger and a Micro-USB cable. A 5 V 2-3 A USB power adapter is not included and must be purchased separately.

Should I choose the single-battery pack or a multi-pack for the Lectrosonics LB-50?

This listing is a single pack containing one battery and one charger that can charge two batteries simultaneously. If you need a spare, you can buy additional LB-50 batteries separately and charge both in the same LTD2 unit.

What does the 5.18 Wh rating mean for runtime in my Lectrosonics 40117 or SSM transmitter?

At 3.7 V and 1400 mAh the cell stores 5.18 Wh. The charger delivers 4.2 V at 800 mA per bay, so a full charge takes roughly two hours and typical transmitter run-time matches the original Lectrosonics LB-50 specification.

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