Waikatolink Limited

Jonathan Brereton Scott

Peter Scott Vallack Single

Rahat Hasan

Steven Owen McCabe

In one aspect the invention provides an assessment apparatus which includes two terminal connectors configured to electrically connect the assessment apparatus to the positive and negative terminals of a battery being assessed. The apparatus also includes a response measurement system configured to measure the terminal voltage and current of the battery when supplied with at least one alternating test current having a frequency less than 1 Hz and/or less than an impedance transition frequency associated with the battery being assessed. Also provided is a processor in communication with the response measurement system and being configured to output a performance assessment indicator for the battery being assessed by calculating at least one impedance for the battery using terminal voltage and current measurements communicated by the response measurement system.

Battery performance assessment method and apparatus

In one aspect the invention provides an implant conductor lead assembly which includes an electrode lead, and at least one field target conductor. The field target conductor(s) is located adjacent to the electrode lead to mutually couple the field target conductor to the electrode lead. The electrode lead acts to concentrate electromagnetic fields in the vicinity of the implant conductor assembly towards the field target conductor or conductors.

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Hamilton, New Zealand

Jonathan Brereton Scott