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A rectangular grey battery and a compact black USB charger with LCD screen, micro-USB and USB-C ports, and a short cable

Kastar

Kastar Battery & LTD2 USB Charger 1-Pack 3.6V 1650mAh

SKU CH-1ES1-BW5PP

A 3.6 V 1650 mAh Ni-MH battery with a dual-slot LCD USB charger that powers two packs at once for Motorola TalkAbout radios

  • TypeBattery & Charger
  • Pack1 Charger + 1 Battery
  • ChemicalLi-Ion
  • Capacity5.94 Wh
  • Dimensions5*3*2 Inch
  • FeaturesLCD USB Dual charger, can charge 2 batteries at the same tim
  • Ni-MH chemistry delivers 1650 mAh capacity for extended radio talk time
  • 6 V output matches original Motorola battery specifications exactly
  • LTD2 charger powers two batteries simultaneously via dual slots
  • Micro-USB and Type-C inputs allow charging from power banks or wall adapters
  • Intelligent LED display shows real-time charging status and battery level

Compatible Motorola TalkAbout Power

This pack provides a replacement Ni-MH battery and an LTD2 USB charger for Motorola TalkAbout two-way radios. It fits models including the T5710, T5720, T5800, T5820, T5900, T5920 and T5950. The bundle suits users who need a ready-to-use spare power source for compatible handsets.

Dual-Bay USB Charger With Status LEDs

The included charger accepts two batteries simultaneously and shows charge state and capacity on an intelligent LED display. It offers both Micro-USB and Type-C inputs at 5V 2-3A, with a Micro-USB cable supplied. Output is 8.4V or 4.2V at 800mA per bay, allowing flexible charging from common USB power sources.

3.6V 1650mAh Ni-MH Chemistry

The battery delivers 3.6 volts and 1650mAh capacity using nickel-metal hydride chemistry. It replaces Motorola part numbers such as 53615, 1532, 56315 and the HKNN4002 series. Radios requiring a different voltage, chemistry or form factor will not work with this cell.

Highlights

  • Ni-MH chemistry delivers 1650 mAh capacity for extended radio talk time
  • 6 V output matches original Motorola battery specifications exactly
  • LTD2 charger powers two batteries simultaneously via dual slots
  • Micro-USB and Type-C inputs allow charging from power banks or wall adapters
  • Intelligent LED display shows real-time charging status and battery level

Specifications

BrandKastar
ModelM53615
Part NumberCH-LTD2-1B-M53615-F
TypeBattery & Charger
Pack1 Charger + 1 Battery
ChemicalLi-Ion
Capacity5.94 Wh
Dimensions5*3*2 Inch
FeaturesLCD USB Dual charger, can charge 2 batteries at the same time

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Questions about this item

How many charge cycles will the 1650mAh Ni-MH battery handle before it needs replacing?

Ni-MH chemistry in this 3.6V pack is rated for hundreds of cycles; capacity fades gradually rather than failing suddenly.

What stops the LTD2 charger from running two batteries continuously at its 800mA dual-output rate?

The 5V 2-3A input limit caps total power, so sustained dual charging may throttle if the source cannot maintain 3A.

How hot does the charger get when both bays run at 800mA all day?

Intelligent LED circuitry manages heat; the unit stays warm but within safe limits for desktop use.

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