... Upside down,5. comply with environmental requirements, ease of use,6. the use of lead-calcium alloys, battery self-discharge is ... 25°C(77°F)capacity after 3 months91%capacity after 6 months82%capacity after 12 months64%Mode of charge (constant voltage ... .20Vfloat-useInitial charging current less than 0.60A voltage6.75-6.90V NoticeDon’t near the hot source and don’t ...