Review of the Schumacher SC1564 2/6/30/100-Amp 6/12-Volt Smart Automotive Charger.

[@fredcash4038]

A very good and complete review of this charger two thumbs up

[@wyattoneable]

Your sponsor should be happy with the very complete review. :)

[@walterzul]

Hello, excelent review. Do you know if the jump start feature works with a 6 Volts battery or just with 12 volts battery in the car? Thanks.

[@737mechanic]

The manual says it has auto voltage detection for charging and in the jump start section it never mentions 6 or 12v.

[@calholli]

I have a similar charger as your old one.. It had some kind of circuit breaker on the incoming plug line, that kept tripping and causing me issues-- so I just took it apart and bypassed that safety breaker, so now it's more of a brute force type of charger. I don't hook it up and walk away for hours anymore-- but it is still very useful.

[@brownsfishingadventures4001]

Just for info. I have a 45 ah vmax lithum ion 12v battery. It died on the lake few days ago and the battery would not charge on a 5 or 10 amp charger. I purchased this charger and the 30a boost setting had it back to 100% in two hrs.

[@brianwestmoreland3836]

Did you get it to 13/14 volts

[@brownsfishingadventures4001]

@@brianwestmoreland3836 it caught on fire and almost burned my house down.

[@brianwestmoreland3836]

@@brownsfishingadventures4001 all right so this charger is really not designed for 12 volt lithium batteries. See that's what I'm worried about when my cable gets hot I keep an eye on mine and constantly test it with a volt meter till it gets to 12.8 volts. Makes me mad because this battery dies so quick with my trolling motor but my regular lead acid holds up almost all day.

[@nunosapunso6239]

@@brownsfishingadventures4001 how did it catch fire? Was the charger set to Lithium?

[@brownsfishingadventures4001]

@Nuno Sa Punso the changer was set on lithium. Always double-checked and clamped down. Come to find out there was a small amount of debris underneath the screw on the post. It was not allowing the current to go into the battery and to heat the screw up. Definitely will be cleaning and checking the underside of the post screws from now on.

[@brianwestmoreland3836]

Also I noticed while charging my lithium battery the ground cable/clamp gets really hot

[@brianwestmoreland3836]

Mine won't charge my lithium past 12.8, they're supposed to go to 14V. Does it have an equalizer?

[@walljoy]

Nice review. Thank you very much!

[@jacobhendrickson8935]

Is this charger still working good for you??

[@737mechanic]

It does work but I have noticed you can't trust it to keep it connected long term. I connected it to a battery that was sitting on my workbench and a couple days later when I was out in the shop I went to disconnect it and the battery was so hot I couldn't touch it and what electrolyte was still left was completely boiling. The charger is supposed to drop down to a maintainer.

[@DIYStangsandFreedom]

Do you guys know if it can charge a dead battery? I find that these new chargers don't charge it automatically and go into a trickle desulfation mode.

[@737mechanic]

I am not sure, I know what you mean a lot of chargers if the voltage isn't detected at a certain level will not start the charge cycle. I am not sure if this one will or not.

[@rafterh2181]

It says right on box will recover dead battery

[@DIYStangsandFreedom]

@@rafterh2181 won't charge a dead battery. Needs to have at least 6 volts.

[@five5paramountgamer341]

Dead cells. New battery needed. Batteries have internal parts that when damaged/worn won't allow it to perform properly. Period...

[@DIYStangsandFreedom]

@@five5paramountgamer341 my old school chargers can charge an dead battery. The battery can still be saved. Like if you drain the battery leaving your lights on, just charge it and you'll be fine.

[@MJ-xk8iu]

Let me get this correct, it has to be plugged in? To función? It’s not portable

[@737mechanic]

Yes it is a battery charger not a jump pack.

[@robinphillips4938]

Sul?

[@bnegs521]

SUL Actually means your battery is SH*T OUTTA LUCK

[@brandoncason3062]

So it’s not portable

[@737mechanic]

It isn't a cordless jump pack, it is a bettery charger. You have to plug it in.

[@Stephen-ut5xo]

this is a trash charger

[@737mechanic]

I love mine and have had great luck with it. Why do you dislike it?