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Heating and ventilation units for electrical vehicles

Battery voltage: 12 to 48 V
Nominal power: 1kW (800W for 12V version)
Max. power up to 1.5 kW
IP rating: IP21
Weight: 1.1 kg


  • Stand alone unit with integrated control/protection electronics
  • Heating power is continuously adjustable with a potentiometer up to the max. value
  • Heater is activated automatically when the battery voltage is over max. value during braking
    Braking power is preserved if the battery is fully charged.
  • Can be used for ventilation also (fans can be started without the heater)
  • Compact size

A potentiometer with a switch and sticker for potentiometer with scale are available (have to be ordered separately).


Heater type Nominal battery voltage Nominal power Maximal power
LAST-12V 12V 0.6 kW 0.8 kW
LAST-24V 24 V 1kW 1.5 kW
LAST-48V 48 V 1kW 1.5 kW


Document English
User guide PDF
Schematics PDF