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Kastar M53615 Li-Ion battery and LTD2 dual USB charger with LCD display

Kastar

Kastar M53615 battery and LTD2 USB charger

SKU CH-9CKZ-BPGJ6

A 3.6 V 1650 mAh Ni-MH pack with a dual-slot USB charger that shows charge status on an LCD and accepts Micro-USB or Type-C input

  • 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
  • Charges two batteries simultaneously with LCD status display
  • Powers up via Micro-USB or Type-C for flexible charging
  • Replaces Motorola 53615 and 1532 Ni-MH packs at 3.6 V
  • Delivers 1650 mAh capacity for extended talk time
  • Intelligent charger shows real-time battery capacity during charging

Kastar M53615 battery and LTD2 charger

The Kastar M53615 is a 3.6 V Ni-MH battery rated at 1650 mAh and 5.94 Wh, paired with an LTD2 dual-slot USB charger. It is built for owners of compatible Motorola TalkAbout two-way radios who need a spare power pack and a way to recharge two cells at once from any 5 V USB source.

USB charging limits

The charger draws 5 V at 2–3 A via Micro-USB or USB-C and delivers 4.2 V at 800 mA per slot when both bays are occupied. Recharge speed is therefore capped by the USB port’s current rating and the fixed 800 mA output, so a fully depleted cell will take several hours and cannot be fast-charged.

Replaces original Motorola packs

This combination replaces Motorola battery models such as 53615, 1532, 56315, HKNN4002 and PMNN4477 series cells used in TalkAbout radios from the T200 through T92 H2O ranges. The jump is worthwhile when the original pack no longer holds a full day’s charge or when a second ready-to-swap battery is needed for extended field use.

Highlights

  • Charges two batteries simultaneously with LCD status display
  • Powers up via Micro-USB or Type-C for flexible charging
  • Replaces Motorola 53615 and 1532 Ni-MH packs at 3.6 V
  • Delivers 1650 mAh capacity for extended talk time
  • Intelligent charger shows real-time battery capacity during charging

Specifications

BrandKastar
ModelM53615
Part NumberCH-LTD2-1B-M53615-K
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

Should I choose the 1650mAh Ni-MH battery or the 5.94 Wh Li-Ion pack?

The set includes a single 3.6V 1650mAh Ni-MH battery; the 5.94 Wh figure is the same cell expressed in watt-hours, so there is only one capacity option.

What does the 3.6V 1650mAh rating deliver in a Motorola Talkabout radio?

It replaces the original HKNN4002-series pack and powers compatible Talkabout models such as the T6300, T6400, T6510 or T92 H2O for standard talk time.

How do the Micro-USB and Type-C inputs on the LTD2 charger affect charging speed?

The charger accepts 5V 2-3A through either port and outputs 8.4V or 4.2V at 800mA per slot, so both inputs support the same maximum charge rate.

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