1. High level battery reliability:
- Automatic battery test
- Battery care, Battery life span can be increased approximately by 20% more
2. Back feed protection: to avoid energy feeding back into the mains supply
3. Bypass may be deactivated to allow operation as a frequency converter (at 50 or 60 Hz), or as stabiliser
4. Easy to maintain (front access)
5. Reliable, filtered, stabilised and regulated sine wave output (double on-line concersion technology VFI according to EN50091-3 specifications) with filters for atmospheric disturbance suppression
