Actually, it was Mike Brown (Caltech Astronomer) who was the most instrumental. Though Tyson didn't object. So, Brown and Tyson.

TI has a FAQ on their site:

How long does the charge last on the TI Rechargeable Battery?
For student use, the TI Rechargeable Battery is expected to last up to two weeks of normal use on a single charge. For classroom use,
the TI Rechargeable Battery is expected to last up to five days of normal use on a single charge.

All I want is realtime alarms sent when a log entry matches a pattern.

SEC simple event correlator might be what you're looking for.