Yes, 24V can. Not too sure about your other question.
Nesh - answered within 21 hours
Can I jump start my mini Cooper that has a 45v battery? How ma y jumps can it do? What's the charging time? Can it be plugged o to normal a.c. 220v 13a socket?
Modulus2 A. - 4 months ago
Yes, you can jump start your mini cooper. It can jump around 60-100 jumps per battery cycle depending on other usage and vehicle power consumption. Usual charge in about 4 hours. The adapter has a round pin but is 220V.