In Figure 9 we see a pair of 12-volt batteries connected in parallel. This 12-volt battery pack is connected to a single 12-volt charger. Note the blue wire designated W1. The purpose of this wire is to balance the voltage drop evenly across both batteries and each wire during charging.
Confidence votes 36. The Erie Canal was so important to the United States (U.S) because it was the water way connecting the Hudson River with Lake Erie through New York State. 20 people found this useful.
The Erie Canal is a canal in New York that originally ran about 363 miles (584 km) from Albany, on the Hudson River to Buffalo, at Lake Erie. Built to create a navigable water route from New York City and the Atlantic Ocean to the Great Lakes. The canal is now part of the New York State Canal System.