damn you beat me to it.
I don't know about iphones, but with android you can do something called usb fast charge. If you arent using a factory charger, its less amperage unless you enable fast charge.
| '02 Focus SE "Foci" (5.0 in progress) | '90 Mazda 626 GT "Greenie" (2.2L turbo T3/T4 rebuild-selling) | '94 Toyota 4Runner SR5 "Roach" (daily-stockish) | '75 BMW 2002 "Carby" (resto-mod) | '75 BMW 2002 "unnamed" (donor race car)
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Originally Posted by GonOvr
I had a spare tire go up in flames once, my truck was hit with an rpg though.