An embodiment includes a method executed by at least one processor comprising: an out-of-band cryptoprocessor receiving security credentials from a battery, which is included in a mobile computing node that comprises the at least one processor, while the mobile computing node is engaged in at least one of (a) booting, and (b) exchanging the battery after booting and during run-time; the cryptoprocessor accessing an authentication key; and the cryptoprocessor successfully authenticating the battery, via out-of-band processing, based on the security credentials and the authentication key. In an embodiment the security credentials are included in a certificate. Other embodiments are described herein.