You probably mean to ask: What is the self discharge rate of a NiMH battery? The rate of self discharge for any battery depends on the temperature at which it's stored. Stored at 70 degrees F (20 C) NiMH batteries will lose up to 40% of their charge within a month. If they are stored at a higher temperature, they will self discharge at an even higher rate.
General Interest. Erie Canal opens. The Erie Canal opens, connecting the Great Lakes with the Atlantic Ocean via the Hudson River. Governor DeWitt Clinton of New York, the driving force behind the project, led the opening ceremonies and rode the canal boat Seneca Chief from Buffalo to New York City.
Ships pass between the Atlantic and Pacific Oceans at the Panama Canal. The Panama Canal is an international waterway that links the Atlantic and Pacific Oceans. After France unsuccessfully attempted to build a canal through the Isthmus of Panama in the 1800s, the United States began building the canal in 1904. At the height of the canal's construction, more than one million cubic ...