http://catalog.sznajder.pl/products/energy-plus#mDesign and construction allow to use the battery to start and deliver extra energy. Recommended for cars used as taxis.
"Application:
passenger cars, taxis, sailboats and motorboats, caravans, signaling, lighting and navigation equipment, wheelchairs, solar panels.
Description:
hybrid technology
thicker plate (a special alloy of lead and paste)
Glass Mat separator
fixed mounting of plates to the box
fire protection
central venting (Kamina system)
handles integrated with the lid
long cycle life
good charging ability
high power stability
optimal power consumption
low self-discharge
Magic-Eye charge indicator
minimal maintenance"