Key takeaways
- Passive cooling suits short sessions.
- Active liquid or forced-air cooling enables continuous duty.
- Throttle behaviour is the honest spec to ask for.
Thermal limits
PEM membranes degrade above their rated operating temperature. The control board throttles current to protect the stack. From the user's side, ml/min drops gradually rather than failing abruptly.
Frequently asked questions
Yes. Leave at least 10 cm of clear space on the intake and exhaust sides.
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