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Old 12-29-2012, 08:30 AM   #141
Shov3BR OP
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Joined: May 2009
Location: Edmond, OK
Oddometer: 279
TAPP & TAPP Lite Quiescent Power

Yes, contrary to what you might read in other ADVRider threads, all switching requlators have some quiescent (no load) power drain.
TAPP Lite draws 8mA (.008A) which isn't much so unless your bike sits for a long time, it won't drain the battery.
TAPP 2.1A with its MOSFET switcher draws a whopping 35mA and will kick the snot out of all but the biggest touring bike batteries in a few days. We recommend connecting the TAPP 2.1A family of USB power ports to a switched circuit like an accessory or taillight circuit. We provide one of those triple-trick PosiTaps to make the connection very easy.
Hope this helps.
-Shov
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