- mounting orientation free availble (not standing on top)
- impact resistant and break-proof plastic housing made of ABS
- VdS/UL-licences
- plug valve controlled construction, nearly 100% oxygen recombination at each charging process
- Elektrolyt bounded in glas fiber mat
- no refilling of elektrolyt necessary
- noncorroding high power grid plates with lead-calcium corrosion
- operational temperature range at corresponding voltage compensation depending on temperature
- very gut charging efficiency
- no dangerous good according to IATA
- conformity to EN 61056-2
- long life duration at low self discharge, 3% each month at 20°C