Harley Davidson Sportster models 2011. Service manual - page 4
BATTERY MAINTENANCE
1.16
GENERAL
Awarning
Batteries contain sulfuric acid, which could cause severe burns to eyes
and skin. Wear a protective face shield, rubberized gloves and
protective clothing when working with batteries. KEEP BATTERIES AWAY
FROM CHILDREN. (00063a)
Awarning
Never remove warning label attached to top of battery. Failure to read
and understand all precautions contained in warning, could result in
death or serious injury. (00064a)
Awarning
Batteries, battery posts, terminals and related accessories contain lead
and lead compounds, and other chemicals known to the State of California
to cause cancer, and birth defects or other reproductive harm. Wash
hands after handling. (00019e)
All AGM batteries are permanently sealed, maintenance-free,
valve-regulated, lead/calcium and sulfuric acid batteries. The batteries
are shipped pre-charged and ready to be put into service. Do not attempt
to open these batteries for any reason.