Test of ZK PW500 boost Converter 500W DC 12V-27V to 24V to 48V Step Up converter | WattHour

We see the module is explained, the components viewed under magnifier, the boost converter is tested with input voltages of 12V, 19.2V, 24V and output voltage is 18V, 24V, 36V and 48V. Ripple voltages shown, thermal video shows and switching frequency measured.

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Please click on the timeline to see the chapters below
00:00 Introduction
5:10 components
9:15 Test input 12V, output 19.2V
10:35 Test input 12V, output 24V
11:11 Test input 12V, output 24V 4A
11:25 Test input 12V, output 24V 8A
11:38 Test input 12V, output 24V 10A
12:19 Test input 12V, output 36V
12:33 Test input 12V, output 36V 4A
12:46 Test input 12V, output 36V 5A
13:05 Test input 12V, output 36V 8A
13:25 Test input 12V, output 36V 10A
13:52 Test input 12V, output 36V 15A
15:57 Test input 12V, output 48V
16:42 Test input 12V, output 48V 5A
17:16 Test input 19.2V, output 24V
18:11 Test input 19.2V, output 36V
19:07 Test input 19.2V, output 48V 5A, 8A
20:13 Test input 19.2V, output 36V
20:35 Test input 19.2V, output 36V 6A
21:05 Test input 24V, output 48V
21:43 Test input 27V, output 36V
24:09 Test input 27V, output 48V
25:46 Thermal images of PW500
29:03 Ripple voltage measurement
33:07 Switching frequency
33:39 Conclusion remarks

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[PolishArmy]

Jak zawsze bardzo szczegółowy filmik.👍👍👍

[Andreas-qq]

Your tests and reviews are the most detailed I’ve seen. I’ve learnt a lot from your videos and I’m glad to see your making new videos again 👍👍

[davidisenah]

You've been gone for quite a while, welcome back.

[catzplayhouse]

This is the WUZHI audio I requested to you.. . Thank you for the geat review 😊

[fakhrealam]

Very nice, please share what kind of thermal camera you are using, will help.

[mendozaconsultation]

I have a Question for you. I was sent the wrong converter I ordered.I ORDERED A 12v to 24v 240w, 10a one, so i can increase my 100w or maybe 200w combined solar, to the power bank i have, for faster charging.I have a 1200w psw, 1000wh power bank. I received a 24v to 12v 20a 240w one. IF, ... I SWITCH THE INPUT, 24v wires, WITH THE OUTPUT 12v WIRES, WOULD THAT CHANGE IT TO A STEP DOWN 12V TO 24V FROM THE 24V TO 12V.?

[cbiz]

I think that 5A steps are no suitable know the maximum output current. You can't know, for example, if the max is 10 or 14A, only why it can't handle 15A, and so further.

[peterdkay]

Ripple is very high. Any power supply that blows up with input and output within specification should be avoided!!

[johncoops]

Misleading output capability results due to lazy testing method using only a small number of Presets. 5A 8A 10A 15A 20A is far too coarse!
You are using a variable Load, so just decide on a acceptable voltage drop (say 5%) and then slowly increase load current until voltage drops.
I like this Channel for the devices tested, but the testing methodology is really poor.