Cryptographically secure battery management ICs.. One way to ensure that the data in your batteries is kept safe. Or, to achieve other ends. http://www.ti.com/lsds/ti/power-management/battery-li-ion-protection-soluti= ons-overview.page?DCMP=3Dtlead-power-bms-pwr-bms-gmap-batterysafety-en&HQS= =3Dtlead-power-bms-pwr-bms-gmap-batterysafety-bs-lp-en Russell --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .