PINNED ZXD2400 Old + New 0-60V 0-50A Power Supply & Charger

[steves1977uk]

oh i see - just a Lead charger etc, ? i am almost off lead - working on lithium for all my chairs at least the out door ones and ADD On for any other

You can use it to power the PL8 up to 30v, or as a 3-stage charger for any lead chairs with an Anderson fitted for a quick charge.

Steve

[Burgerman]

Or lithium with a BMS (spits). And battery or supply for charger, bench projects, electroplating, etc as you wish.

Lots of flexibility. Lots of power or very little you choose. Pain in the ass menu system! 3Kw 0-60V 0-50A with 3 stage CC/CV/Float if you want.

Even tells you how many Ah used or returned. Which wont be remotely correct on lead. As once its near charged you start wasting power making gasses that are then recombined. In other words the battery starts wasting energy. So its a good guide up to about 90% full. After that it keeps counting while battery is charging less/s l o w l y and getting slightly warmer.

[steves1977uk]

Also a 240v 13A power source is needed for the 3kw power, otherwise it's limited to 1800 watts (120v 15A) which is ok for a 30v 50A output.

Steve

[Burgerman]

Which means 240V full power in most places. Except japan, usa, some places south america I think.

[shirley_hkg]

Did it again , shopaholic !

Hope to post PSUs at weekend .

[steves1977uk]

The mysterious shopaholic I might be placing an order for another PSU soon Shirley.

Steve

[Gnomatic]

On the AC side of this thing, one of the power input is marked XJ1 and the other XJ2. I'm trying to figure out which one is best to connect to the hot side of the AC inlet plug and which one to neutral.



Or since its AC does that even matter?

And BM how did you connect the ground from the AC inlet plug to the case?

I'm taking my time with fitting the fancy case but its coming along.

[expresso]

I actually didnt realize it was a Charger and PSU in one unit - i though it was just a PSU to be used with a charger -

[steves1977uk]

Most voltage adjustable switch mode PSU's can be use as a charger, just don't forget to turn down the voltage to float volts (for Lead bricks) when the Amps drop to a low value <0.2

Steve

[Burgerman]

As steve says, any power supply that has an adjustable Amps (the CC part) and adjustable volts, (the CV part) makes a perfect charger too. It is, by definition, a cc/cv device. And charger. I use my 40A bench charger set to 40A, and 29.4V to charge my odyssey batteries that way all the time. But two things.

1. After the CC/CV part the current will slowly drop to a very low level. When its at abount 300th to 1000th C which will take AROUND 8 hours usually at CV, its basically done. 100% . But the power supply just continues going. Holding the battery at a high CV for more than AROUND 8 hours for cyclic use is harmful. (use half that time for a lightly used battery and 2 hours CV for a top up of a full/stored battery.)

2. No float. So on a power supply it continues to sit at say 14.4V. It SHOULD to one of two things.
14.4V or whatever matches temp/battery type, for 8 hours max, or 1000th C whatever comes first and its done.
OR
14.4V for say 4 hours, or 100thC and then go to a lower e.g. 13.6V float to finish the charge safely and slowly indefinitely, and to keep the battery topped up.

So the Shirley charger has a FLOAT too, so you can end charge at say .2A or .3A (200/300mA) safely, and then it goes to a lower float foltage. Advantage, doesent need accurate matching, or watching to be sure current doesent start to rise again, works on old batteries, and various types, will fully charge anything but takes about 4 to 6 hours longer to get a fully 100% charge which is bad for us.

Charging only CC/CV to a lower termination current, like 1000thC or 70mA ON GRP24 or CV for 8 hours whichever occurs first, also gives a full battery faster. Which is good for those that have a short 6 to 8 hour night...

[expresso]

Ok - no need for me - i dont have many uses for these things other than to just charge my chairs - using PL8 and have 3 PSU already - 24V each - i used the PL 8 also for lead and i forgot how long it takes - havnt charged lead in a LONG time alone - only indoor chair i just use the same lester brand overnight - i dont stress that much - dont care batteries in there are old and when they die - most likey the chair will go with it - or replace with some cheap lead just to use indoors - once this indoor chair is gone - i be left with just lithium chairs and one Combined lead and ADD ON -

looks great if you have many uses for it

[Burgerman]

Theres no difference, will work the same both ways around.

[martin007]

You are loaded to the brim...

[shirley_hkg]

. At the price it is its stupidly cheap for a 3kw charger!

Certainly it is the price that catches my eyeballs , especially without the burden of extra postage as well as diy the modification which is the fun part actually . Costs me £35 .

Those useful features are also hard to refuse . No stock dump charger has ever been found with such versatility .

Don't take it as an advertisement . Its been a loss business so far.

[shirley_hkg]

! And the only downside is the complex menu... Its still giving me a headache. A better translation with more detail would help. .

Have a screenshot of it, and see if I can help .

[Burgerman]

All of it! Its fine, works. But not intuitive, needs the instructions to remember what all the up/down software switches do.

[Gnomatic]

I am thinking of ditching the C14 AC power input that came in the kit and modding the existing hole to accept something like this.

https://www.ebay.com/itm/252505315800?ul_noapp=true

Power input, fused, with on/off switch.

If you fit that i will likely impinge on the space for anderson too.

After getting the fused and switched AC inlet and holding it up on back panel of the fancy case to get an idea on the sizing, the fit would be very tight as suspected. Depending on how I orient it, it leaves little room for an anderson cut out, or bumps up against the rear fan.

So now I'm thinking I'll stick with the regular AC inlet the case came with, and drilling a small hole for a simple panel mounted fuse such as this:

https://smile.amazon.com/uxcell-AC125V- ... unted+fuse

For the power switch, I'm considering a 125vac 15A rated toggle switch. Like the fuse it'd be easy to fit as I'd just need to drill the appropriate sized hole on the rear panel. I'd prefer a rocker switch of the same rating, but having a hard time finding one that I can easily fit by drilling a hole. Seems most rockers at that rating need a square cut out which I'd prefer to avoid.

[martin007]

The same fuse holder and cheaper.


> https://es.aliexpress.com/wholesale?cat ... ible+rosca

[Gnomatic]

Yes but estimated delivery time to my location is 50 days if I order from there.

[Burgerman]

You dont need a switch, the front panel does it for you. Press, 3 secs. And thers already a fuse on the board...
They thought of both for us!

[martin007]

In 30 days they arrive home.

[Gnomatic]

Fair enough. I prefer free two-day shipping from Amazon.(have to be a Prime member for that perk)

[Burgerman]

You asked about earth. I connected both to a longer bolt that holds the temp sensor to the heat sink. Since it is bolted to the case. So the Earth from the Wall input, and the front panel. All in 2.5mmsq. This also earths the case. Check for zero or almost zero ohms from the wall, to the front panel, and the case.

Its not used unless as a 0v reference when working on electronics, so thick cables not really needed.

And did you see this?
viewtopic.php?f=2&t=7670&p=120266#p120266
No switch or fuse required!

[Gnomatic]

I did see that fuse on the board. If thats sufficient, I may just leave well enough alone.

Thank you for the clarification on connecting the earth. Want to be sure its wired correctly. So next week I may begin the cutout for the anderson.

Did you change out the fans for 25mm thick ones?

[Burgerman]

Ordered. But may or not fit. Depends if much quieter. They should be. Removing that grill cloth and replacing with the open mesh, makes a huge difference to airflow. 3 to 5 times better at a guess. You can feel the difference at the rear. viewtopic.php?f=2&t=7670&start=60#p119458

So under load that already makes it quieter. Since they dont need to work as hard. But that cloth with holes helps keep the noise it too !

So swings and roundabouts! I fitted a resistor cable on both mine as without the grill they already flow plenty air. Which makes less idle noise.

[Gnomatic]

I am considering putting in a couple Noctua fans. They are quiet and move a decent bit of air.

https://www.newegg.com/Product/Product. ... -_-Product

[Burgerman]

My experience of those with PCs is that they are quiet but dont move much air and are a bit pricy for what they are. But they will work. Sort of goes against the cheap power supply ethic though!

[Gnomatic]

This is the stock fan. RRD8015B1-N41AM01

https://es.aliexpress.com/item/Free-Del ... 37545.html



I've been looking around trying find an airflow rating so as to find a 25mm thick one with a similar airflow rating. Would be quieter. But can't seem to find it.

[Burgerman]

Go by current. Get a thicker one, but lower current, lose the grill.

[shirley_hkg]

Two new PSUs are checked . Everything is fine .