Quote:
Originally Posted by MetroMPG
HOWEVER, if you ever partially deplete your battery and then turn the alternator back on, you will take a massive fuel economy hit with the alternator running at high field current straining valiantly to bring the battery back up to ~14 volts again. Ask me how I know this.
|
Of course, you could also carry a small, fully charged 12v "backup" battery to swap in place in this situation, and avoid the big "recharging" MPG hit.
(Or switch your OEM starting battery out of your auxiliary pack circuit, or... you get the idea.)
But the Li-ion pack idea seems cooler to me.