Method of testing a lead battery for the purpose of charging it under optimal conditions, characterized in that it consists in testing the lead battery for the purpose of obtaining information relating to its condition by applying a test current and/or pulse thereto and by increasing the voltage at the...http://www.google.co.uk/patents/US6577107?utm_source=gb-gplus-sharePatent US6577107 - Method of testing a lead battery for the purpose of charging it under optimal conditions
