This combination ticket includes Fast Pass admission to the Art Institute of Chicago and general admission to Skydeck Chicago, best known for the Ledge, a glass balcony extending four feet outside the 103rd floor of Willis Tower. Ticket is valid for Skydeck entry 7 days from museum visit date.
If you slow charge (about 2 amperhours) you will not cook the plates that are inside the battery. Depending on the deep cycle rate of the battery will depend on how long you will achive a full charge. With the battery that I have, it will take about 24 hours to charge on the 2 amp setting.f you slow charge (about 2 amperhours) you will not cook the plates that are inside the battery. Depending on the deep cycle rate of the battery will depend on how long you will achive a full charge. With the battery that I have, it will take about 24 hours to charge on the 2 amp setting.
Simple Guidelines for Extending Battery Life. 1  Allow a fully saturated charge of 14â16 hours. 2  Always keep lead acid charged. 3  Avoid deep discharges. 4  Never allow the electrolyte to drop below the tops of the plates. 5  Never add acid. 6  Use distilled or de-ionized water. 7  When new, a deep-cycle battery may have a capacity of 70 percent or less.