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5100745 |
Method for rejuvenating Ni-H.sub.2 batteries
A method for rejuvenating Ni-H 2 battery cells suffering a voltage anomaly providing an improved cell output voltage and capacity. After the battery containing the cells suffering the voltage...
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4857419 |
Method of operating zinc-halogen secondary battery
In recharging a zinc-halogen secondary battery or battery, zinc dendrite is readily formed on the negative electrode and therefore it has been difficult to form a uniformly thick zinc layer on the...
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4737702 |
Battery charging control system particularly for hand held device
In a preferred embodiment, a closed loop control system of a hand held data processing device varies the duty cycle of a battery charging source to match a desired charge rate. Such desired charge...
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4734635 |
Microprocessor controlled battery reconditioner for portable radio transceivers
Unique battery reconditioning circuitry is described that may be advantageously utilized in a portable radio transceiver (100). Reconditioning is initiated by a microcomputer (120) in response to a...
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4716354 |
Automatic voltage regulator means providing a dual low power responsive and output-voltage-controlling regulator signal particularly for a plural source battery powered system
In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of...
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4709202 |
Battery powered system
In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of...
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4691158 |
Method of operating a secondary battery to recondition the battery
A secondary battery operating method for charging and discharging a secondary battery using zinc as the negative electrode active material. After the termination of the normal discharge, direct...
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4677363 |
Method of and apparatus for monitoring the state of charge of a rechargeable battery
A method of and an apparatus for monitoring the state of charge of a rechargeable battery are disclosed which use a reference value corresponding to a defined state of charge stored in a memory....
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4616170 |
Arrangement and method for operating an electrochemical storage device
In an electrochemical storage device such as a zinc-bromine or zinc-chlorine accumulator containing groups of electrochemical cells connected in series to a load, nonuniformly distributed deposits...
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4609860 |
Battery charger having automatic deep discharge mode
A battery charger for recharging nickel cadmium batteries includes trickle charge, fast charge and deep charge modes. A control circuit responsive to the terminal voltage of the battery includes a...
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4577144 |
Battery charging system including means for distinguishing between rechargeable and non-rechargeable batteries
A battery charging system is provided which distinguishes between primary and secondary batteries by sensing a charging or discharging parameter of a battery placed into the system. A sensing means...
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4558270 |
Battery charging adapter for a battery charger for a portable battery operated transceiver
A battery charger system for supplying charging current to either a battery-powered transceiver or to the rechargeable battery pack of the transceiver includes a housing housing a receptacle for...
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4553081 |
Portable battery powered system
In a exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of...
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4342954 |
Battery conditioning methods and apparatus
In an effort to condition a battery for its current supply function, the electric charge required to restore the battery from a given first level to a higher second charge level is determined. A...
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4323837 |
Power supply circuit for automotive vehicles
A power supply circuit arrangement for automotive vehicles comprises an engine-driven alternator, a storage battery, a battery charging circuit connected between the alternator and the battery...
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4302714 |
Rechargeable battery charger system for charging testing, rejuvenation and preventative maintenance
The present invention is directed to a method for automatically maintaining rechargeable batteries at maximum capacity and includes the steps of detecting the presence of a battery, deep...
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4084124 |
Method and apparatus for conditioning of nickel-cadmium batteries
A method and apparatus for reconditioning batteries utilizing a DC-DC converter. During a discharge of the batteries, each cell is monitored by the converter. When the voltage of a cell decreases...
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3997830 |
Satellite battery reconditioning system and method
Reduction of battery effectiveness due to memory effect and unequal cell voltages is minimized by a spacecraft power control system which reconditions the battery preferably just prior to eclipse...
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3796940 |
BATTERY POWER SUPPLY, MAINTENANCE FREE
A power supply which automatically provides the necessary maintenance cycling for secondary batteries according to a predetermined schedule is disclosed. The power supply is designed to eliminate...
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3586962 |
BATTERY CELL MONITORING APPARATUS
Monitoring apparatus for a series-connected battery of cells includes a lid equipped with biased contacts arranged so each contact contacts a different one of the cell connectors when in place....
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