As far as I know all the modern chargers have charge capacitors that will create a pretty good draw when first turned on until the caps are charged. A well designed unit should not be connecting to the battery until the caps are charged and the output voltage is stable. I would try starting the charger and taking voltage readings at the battery. Then try starting the charger with the battery disconnected. You might also try with the battery connected and already full charged (use a portable automotive charger to get them full first).
It could be a old 20amp breaker that is popping early. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Thu, Oct 31, 2019, 11:01 AM Bill Coleman via CnC-List < cnc-list@cnc-list.com> wrote: > Interesting, I have a Truecharge2, 20 amp which charges my starting > battery. > > Now that I am hauled and plugged into a 20 amp 120 V plug, it pops the > breaker. Is there such a thing as a soft start for a charger, which doesn’t > send a surge through when initially turned on? > > > > Bill Coleman > > Erie PA > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dennis > C. via CnC-List > *Sent:* Thursday, October 31, 2019 10:44 AM > *To:* CnClist > *Cc:* Dennis C. > *Subject:* Re: Stus-List Starting An Engine with Battery Charger > Connected? > > > > Josh, > > > > For the record, I'm betting your Xantrex was a newer TrueCharge 2 not a > TrueCharge. Big difference. > > > > I have a TrueCharge in Touche' and a spare. They're pretty reliable. The > original has been working well for nearly 20 years. > > > > When I was a marine repair guy, I installed several of the newer > Truecharge 2's. After being called back a couple times due to failures, I > quit installing them and switched to chargers by Promariner, Guest or Blue > Sea Systems. > > > > My boat repair colleagues had similar experiences with the TrueCharge 2's. > > > > Dennis C. > > Touche' 35-1 #83 > > Mandeville, LA > > > > On Thu, Oct 31, 2019 at 9:29 AM Josh Muckley via CnC-List < > cnc-list@cnc-list.com> wrote: > > Where the 120v comes into the unit I recall a 10amp automotive fuse. When > my Xantrex died it gave very similar symptoms. > > > > Josh Muckley > > > > > > For unknown reasons I have blown a Xantrex True Charge 40 amp(modern). > Refunded under warranty. Could have been bad luck but I'm leaning towards > the idea that it is bad engineering. Under the exact same conditions I've > never had a problem with the P-Nautic. > > > > Josh Muckley > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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