Quote:
Originally Posted by tranquility
Hmm, I dunno, I'd rather use the alternator instead of solely the battery, why risk straining/draining it? Seems like good practice to avoid unnecessary prbs.
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Yes, you can, why not.
To be honest, then you have to avoid any electrical consumption as it always drains a battery.
The system is well designed to cover any electrical needs. The pump takes a max. of 180-500W/15-40A in these ~23 seconds and the battery can deliver a max. of 760A, if it's in a normal healthy condition. That's the intended purpose and use of a battery.
And a battery gets weakened over years even if it's not used as intended due to internal chemical processes. In our "modern" cars it has to be replaced latest after 10 years, if used as intended or not.