Local AI task drains 40% of Mac battery in 30 minutes, dev reports
ChrisUniverse · x · 2026-09-26
Developer ChrisUniverse shared a battery-drain data point: a local AI task started at 6:07am on a 70%-charged Mac burned through 40% of the battery in just 30 minutes, which he called absurd. In the quoted post he also notes that a hybrid Perplexity + Opus 5.5 setup currently offers the best $/token value. The post highlights a practical pain point: long-running agent tasks are brutal on laptop battery life.
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