Tool

How long will your heated blanket run?

Updated October 5, 2026

A 12V heated blanket sips power, but "sips" still drains a battery. Here's exactly how many hours you get.

Battery capacity (amp-hours)Blanket wattage (watts)Usable battery (don't drain to zero)

Typical draws: 12V heated blankets pull 45–65W on high, less on low. Check your blanket's label.

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