- mounting orientation free available (not standing on top)
- impact resistant and break-proof plastic housing made of ABS
- VdS/UL-approval
- plug valve controlled construction, nearly 100% oxygen recombination at each charging process
- Electrolyte is bound in glass fiber mat
- refilling of electrolyte is not necessary
- non-corroding high power grid plates with lead-calcium corrosion
- operational temperature range at corresponding voltage compensation depending on temperature
- excellent 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