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Two Kastar BL-5B lithium-ion batteries and a foldable-plug LCD charger

Kastar

Kastar BL-5B 2-Pack Battery & Smart LCD Charger for Tecsun X3 A3 A5

SKU CH-706J-8DBBQ

Two 890 mAh lithium-ion batteries and a foldable-plug LCD charger compatible with Tecsun X3, A3 and A5 radios

  • TypeBattery & Charger
  • Pack1 Charger + 2 Batteries
  • ChemicalLi-Ion
  • Capacity4.26 Wh
  • Dimensions3*2*2 Inch
  • FeaturesFoldable Flat Plug
  • Two 890mAh Li-Ion batteries keep Tecsun radios running longer
  • Smart LCD charger shows red while charging and green when full
  • Foldable flat plug stores neatly in a bag or pocket
  • Universal 100–240V input works worldwide without a converter
  • Charger delivers 4.2V 600mA output for safe, steady charging

Kastar BL-5B Li-Ion Battery Pair

This pack supplies two 3.7 V 890 mAh lithium-ion cells rated at 4.26 Wh each, plus a matching charger. The combination suits owners of Tecsun X3, A3 or A5 radios who need reliable replacements for original BL-5B packs.

Fits Tecsun radios and listed compacts

Users of the named Tecsun models, compatible Vivitar cameras or listed mini keyboards gain a direct power solution. Buyers whose devices require a different voltage, capacity or form factor should look at something else.

100-240 V AC input with foldable plug

The charger accepts worldwide mains voltage and outputs 4.2 V at 600 mA, with red and green LEDs showing charge status. Its foldable flat pins make storage simple for travel or desk use.

Highlights

  • Two 890mAh Li-Ion batteries keep Tecsun radios running longer
  • Smart LCD charger shows red while charging and green when full
  • Foldable flat plug stores neatly in a bag or pocket
  • Universal 100–240V input works worldwide without a converter
  • Charger delivers 4.2V 600mA output for safe, steady charging

Specifications

BrandKastar
ModelBL-5B
Part NumberMCH-2B-BL5B-I
TypeBattery & Charger
Pack1 Charger + 2 Batteries
ChemicalLi-Ion
Capacity4.26 Wh
Dimensions3*2*2 Inch
FeaturesFoldable Flat Plug

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Questions about this item

Which Tecsun radios does this BL-5B pack replace the original battery for?

The two 890mAh 3.7V Li-Ion cells are direct replacements for the Tecsun X3, A3 and A5 models listed in the compatibility data.

Can I charge the batteries from a 240 V UK mains socket without an extra adapter?

Yes, the charger accepts AC 100-240 V 50-60 Hz and has a foldable flat plug that fits standard wall outlets.

How do I know each cell has reached full charge on the smart LCD charger?

The charger shows a red LED while charging and switches to a green LED when the cell is at 4.2 V and fully charged.

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