Chemistry: electrical current producing apparatus – product – and – Having diverse cells or diverse removable cells in a support...
Patent
1990-03-01
1992-04-28
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Having diverse cells or diverse removable cells in a support...
429 48, H07M 1600
Patent
active
051088487
ABSTRACT:
An improved vehicle battery providing a constant source of reserve electrical power. The primary source of electrical power is contained within a housing and is connectable to an electrical load. The reserve battery is also contained within the housing and is selectably connectable in parallel to the primary battery by a switch or relay. The reserve battery is of at least equal electrical power to that of the primary battery. Therefore, an adequate reserve is always maintained, even for adverse and extreme conditions that would be too much for smaller reserve batteries, but includes circuitry to disallow discharging of the reserve battery unless it is connected in parallel to the primary battery.
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Popular Science, Dec., 1989, "Back-Up Battery", p. 73.
Quad-City Times, Saturday, Aug. 19, 1989, "New Battery Has Built-In Rechargeable Spare to Save Forgetful Drivers".
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