View Single Post
Old 05-25-2009, 09:53 AM   #5 (permalink)
Daox
Administrator
 
Daox's Avatar
 
Join Date: Dec 2007
Location: Germantown, WI
Posts: 11,175

CM400E - '81 Honda CM400E
90 day: 51.49 mpg (US)

Daox's Grey Prius - '04 Toyota Prius
Team Toyota
90 day: 49.53 mpg (US)

Daox's Insight - '00 Honda Insight
90 day: 64.33 mpg (US)

Swarthy - '14 Mitsubishi Mirage DE
Mitsubishi
90 day: 56.69 mpg (US)
Thanks: 2,474
Thanked 2,538 Times in 1,530 Posts
You can use a lower voltage to charge a battery of a higher voltage, but you need a DC to DC converter to boost the lower voltage up. As you increase the voltage, you'll have less amperage, plus you take an efficiency loss at the dc to dc converter... But, you can do it.
__________________
Current project: A better alternator delete
  Reply With Quote