Spikes: when the batteries goes from 11.75 up to 14.5 volts during
normal charging. Maybe 'spikes' is a bad word. But the "buck/boost
circuit" of the converter handle it.

Hanz

Larry wrote:
Hanz wrote in
:


It handles the spikes from the alt..



If you have spikes from the alternator, your battery has an open cell.
Across a good battery there are no spikes as the chemistry absorbs a lot.