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eb145's avatar
eb145
Explorer II
Mar 16, 2014

Home Made Voltage Booster charges TT battery off 7-pin

My TT batteries charge really slowly from my truck alternator through the standard 7-pin trailer wiring harness. This is due to the large voltage drop while current is flowing on the long thin batter...
MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Apr 05, 2014
I just gave a quick glance at a couple of these eBay gizmos and have to ask, how are they managing the heat sink issue? Even with MOSFET PWM control heat sinks are mandatory and I do not see any. On one, I see 16 amperes going in and 10 leaving. Call me not a skeptic but something doesn't fit here.

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