Method and apparatus for monitoring energy storage devices
First Claim
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1. A method for communicating with a battery, comprising acts of:
- providing for a single-wire interface to the battery;
receiving, at the battery over the single-wire interface, a request for information from an external system; and
transmitting, by the battery to the external system over the single-wire interface, a response to the request; and
wherein the battery receives power over the single-wire interface and wherein the act of transmitting comprises an act of transmitting data over the single-wire interface by interrupting current.
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Abstract
An improved battery, monitoring circuit and method for communicating with the battery is provided. Such batteries and communication methods are particularly useful in UPS systems that use such batteries to provide back-up power to electrical loads. In one aspect, performance, manufacturing, trend and/or other data are stored in non-volatile memory of the battery and are communicated to an external system such as a UPS. In another aspect, a method for communicating via single-wire interface is provided. In one aspect, a same interface is used to communicate with both conventional batteries and improved batteries having increased monitoring capabilities.
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Citations
20 Claims
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1. A method for communicating with a battery, comprising acts of:
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providing for a single-wire interface to the battery; receiving, at the battery over the single-wire interface, a request for information from an external system; and transmitting, by the battery to the external system over the single-wire interface, a response to the request; and wherein the battery receives power over the single-wire interface and wherein the act of transmitting comprises an act of transmitting data over the single-wire interface by interrupting current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification