The Active Ones

A new era has begun at Fronius, and it’s not just to do with appearances. The striking design is complemented by innovation and technology inside the Selectiva devices: intelligent Active Inverter Technology, serviceable modular design, “Plug & Charge” software and accompanying characteristic programming. And at the same time an increase in efficiency 96%. The status quo for battery chargers. The Selectiva charger with Active Inverter Technology gently charges your batteries and increases their service life by up to 25%. It’s efficient too: Every 7th charge is free.



  • For charging small and medium sized traction batteries
  • 96% efficiency
  • Indication of charging level using LEDs
  • 100% serviceable – flexible modular design to make servicing, retrofitting and upgrading as easy as possible.
  • Compact, lightweight design
  • Based on Active Inverter Technology

Technical Data

Nominal charging voltage 24 V, 36 V, 48 V
Charging current  25 A – 100 A
Battery capacity  100 – 1700 Ah
Efficiency   94 %
Mains voltage 230 V +/- 10 %
Marks of conformity  CE
Dimensions 312 x 110 x 200 mm (L x W x H)
Weight 5 kg
EMC class A

Equipment Features

  • Charging: The Selectiva Plus charges batteries fully automatically, gently, and as rapidly as possible, until they reach their maximum capacity. Various characteristics allow charging to be optimised to suit the requirements of the application.


Protective features:

  • Thermal overload protection
  • Safety cut-out
  • Electronically safe