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Four lithium-ion batteries and a wall charger with foldable plug

Kastar

Kastar 4Pack BT-65Q Li-Ion Battery & AC Charger

SKU CH-WWCH-8CEWJ

Four 7.4 V 5800 mAh lithium-ion batteries with a foldable-plug AC charger for Topcon total stations

  • TypeBattery & Charger
  • Pack1 Charger + 4 Batteries
  • ChemicalLi-Ion
  • Capacity42.92 Wh
  • Dimensions3*2*3 Inch
  • FeaturesFoldable Flat Plug
  • Four batteries deliver 5800 mAh each for extended field sessions
  • Li-Ion chemistry stores 42.92 Wh in a compact 3×2×3 inch pack
  • AC charger accepts 100–240 V input for worldwide site use
  • Foldable flat plug keeps the charger slim in a survey kit
  • LED shows red while charging and green at full charge

Kastar BT-65Q 4-Pack Battery Kit

This kit supplies four lithium-ion batteries and a matching AC wall charger for survey professionals who rely on Topcon total stations. Each cell delivers 7.4 volts and 5800 milliampere-hours for extended field sessions. The charger accepts 100 to 240 volt input and features a foldable flat plug for compact storage. LED indicators show red while charging and green when complete or on standby.

Replaces Topcon BT-60Q through BT-66Q cells

The pack directly substitutes Topcon BT-60Q, BT-61Q, BT-62Q, BT-65Q, BT-66Q and GMS-2 batteries used in FC-200, FC-2200, FC-2500, GPT-7000i, GTS-750, GTS-751, GPT-7500, GTS-900, GPT-9000 and ROBOTIC instruments. It also replaces BC-30, BC-30D and BT-30 chargers with a single 8.4 volt 600 milliampere output unit. The upgrade is worthwhile when crews need multiple spares to avoid downtime during long stake-out or mapping jobs.

Fits existing Topcon instrument bays

Each battery measures three by two by three inches and slots into the same compartment as the original cells, requiring no mechanical modification. The charger operates from any standard wall outlet worldwide, freeing users from proprietary charging stations. Four cells in rotation keep one instrument running continuously while depleted units recharge. Survey teams who standardise on a single charger model reduce cable clutter in the field kit.

Highlights

  • Four batteries deliver 5800 mAh each for extended field sessions
  • Li-Ion chemistry stores 42.92 Wh in a compact 3×2×3 inch pack
  • AC charger accepts 100–240 V input for worldwide site use
  • Foldable flat plug keeps the charger slim in a survey kit
  • LED shows red while charging and green at full charge

Specifications

BrandKastar
ModelBT-65Q
Part NumberNOCAR-4B-BT65Q-A
TypeBattery & Charger
Pack1 Charger + 4 Batteries
ChemicalLi-Ion
Capacity42.92 Wh
Dimensions3*2*3 Inch
FeaturesFoldable Flat Plug

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Questions about this item

What space does the foldable-plug charger need at a wall socket?

The AC wall charger has a foldable flat pin that lies flush when not in use, so it fits tight outlets or power strips without blocking adjacent sockets.

How do I charge the four BT-65Q packs correctly?

Plug the charger into 100–240 V AC, insert a battery; a red LED means charging, green means full or standby — charge one pack at a time at 8.4 V 600 mA.

When will the 7.4 V 5800 mAh lithium-ion cells need replacing?

Capacity fades with cycles and storage; when run-time on your Topcon total station drops noticeably below a full day, replace the affected pack.

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