normkol Posted August 15, 2017 Report Share Posted August 15, 2017 (edited) I just got a Garmin High Speed Multi-charger. It plugs into the power port, and has two USB's and a socket for a car adapter. The USB's are rated at 2.1a output each, the socket at 2.4a. I'm wondering if I used all three at the same time if it would overload the power port? Edited August 15, 2017 by normkol Quote Link to comment Share on other sites More sharing options...
IWRBB Posted August 15, 2017 Report Share Posted August 15, 2017 In general, those 12V power points are wired with some hefty wire, so I really doubt any type of charger could overload them. Look up the fuse rating for the 12V power point- that'll tell you how many maps you can safely pull. Or just run it and if the fuse blows, you know you've overloaded it! 1 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted August 15, 2017 Report Share Posted August 15, 2017 I think the fuses are 20A for the power points, but I rarely go even 1/2 that. 1 Quote Link to comment Share on other sites More sharing options...
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