It is an object of the present invention to provide a battery charging system and method of operating the system which is suited for NiCd and/or NiMH batteries. It is an object of the present invention to battery charging system and method of operating the system which obviate the problems and limitations of the prior art systems. Moreover, it would be highly desirable to provide a single battery charger which could effectively charge both NiCd and NiMH batteries interchangeably. Since these batteries are relatively expensive, it is desirable to prevent such an occurrence. Further, if one type of battery were placed in a charger suitable for the other type of battery, the battery and possibly the charger itself would be damaged.
However, the same battery charger typically can not charge both.
#Nicd battery pulse charge specs portable#
As NiCd batteries are phased out, electronic devices such as portable computers can use two different types of batteries, i.e. However, battery chargers which are capable of charging NiMH cells are generally not appropriate for charging NiCd cells and vice versa. These cells can be charged by presently available battery chargers. NiMH cells are often selected where capacity per unit weight or volume, rather than peak power or disposal safety, are critical. Moreover, battery chargers which are capable of charging NiCd batteries cannot charge NiMH batteries. However, NiCd batteries are toxic and there use is being restricted by law. Chargers are presently available to charge NiCd batteries. NiCd cells are preferred in applications requiring relatively high discharge rates after prolonged charging at elevated temperature, as in fluorescent emergency lights.
While these cells are generally not considered rechargeable, it is possible to charge them with a special purpose, sophisticated battery charger. For example, a device which discharges a moderate capacity battery at a moderate rate, such as a portable radio or tape player, could be powered by ordinary alkaline zinc manganese dioxide cells. Even the definition of rechargeability depends on the specific application. The design of a charger for any cell or group of cells is always a compromise between the requirements for the intended use and the characteristics of the battery. More particularly, the invention is directed to an apparatus and method for fully recharging a NiCd (nickel cadmium) or NiMH (nickel metal hidride) cell or battery or system of batteries. This invention relates to the field of battery charging. 08/228,341, filed by Robert Feldstein for MAGNETICALLY BALANCED MULTI-OUTPUT BATTERY CHARGING SYSTEM. 08/228,874, filed, by Robert Feldstein for COMPOUND BATTERY CHARGE SYSTEM and U.S.
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