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Three Kastar LB-50 batteries and an LTD2 dual USB charger with LCD display

Kastar

Kastar 3-Pack LB-50 Battery & LTD2 USB Charger

SKU CH-YTH3-WZW8X

Three lithium-ion batteries and a dual USB charger with LCD status display for Lectrosonics LB-50 compatible devices

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

Configuration 1 Charger + 3 Batteries

  • Three spare batteries keep transmitters running longer
  • 1400 mAh lithium-ion cells deliver 5.18 Wh each
  • Dual-slot USB charger powers two packs simultaneously
  • Micro-USB and Type-C inputs accept common power sources
  • LED display shows real-time charge level for each cell

Kastar 3-Pack LB-50 Battery Kit

This kit supplies three lithium-ion batteries and a dual-bay USB charger for Lectrosonics LB-50 compatible devices. It targets audio professionals using Lectrosonics 40117, SSM transmitters, or IFBR1B bodypack receivers who need reliable spare power on location.

Thermals, Noise and Power Draw

The charger operates from a 5 V 2–3 A USB source with a maximum 15 W input and delivers 4.2 V at 800 mA per bay when charging two cells simultaneously. No active cooling is present, so the unit runs silently and generates minimal heat during normal charging cycles.

5.18 Wh Capacity Per Cell

Each battery provides 3.7 V and 1400 mAh for a total of 5.18 Wh, which determines runtime for compatible Lectrosonics gear. Buyers who need higher capacity per cell or a different voltage platform should look elsewhere.

How it compares

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

Price $17.99
Typical for this category: the median of 5,900 items is $17.99.

Specifications

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

Other versions of this model

5 more in the same range

Questions about this item

How do I install the LB-50 batteries into the LTD2 charger and what step do people often miss?

Align each battery with the charge plate contacts, slide it in until it clicks, then connect the charger via Micro-USB or Type-C to a 5 V 2–3 A source; the step users miss is confirming the LCD shows the charging icon for each slot before walking away.

What maintenance or replacement will the Kastar LB-50 batteries need over time?

Lithium-ion cells degrade with cycles; expect to replace the 3.7 V 1400 mAh packs when run-time drops below roughly 80 % of the original 5.18 Wh capacity, typically after several hundred full charges.

What limit appears first during sustained charging of two LB-50 batteries on the LTD2 charger?

The charger’s 800 mA per-slot output caps the charge current, so two batteries draw the maximum 15 W input simultaneously; thermal throttling or the 4.2 V termination voltage will be the first limit you hit under continuous use.

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