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Jaycar

1 Year Warranty

High current general workshop power supply for equipment, component testing, etc. Ideal for 12V amateur transceivers, linear amps and high powered car stereo bench testing. Internal cooling fans assist cooling at higher temperatures.

Features:
• Banana socket style binding post output
• LED power on indication
• Rear mounted M205 fuse

Type of Power Supply:Laboratory
Regulation Type:SMPS
Voltage Display:false
Current Display:false
Output Connection:Banana 4mm (standard),Binding Post Terminals
Number of Outputs:1.0 pc

13.8V 40A Switchmode Bench Power Supply

Cat. No: MP3089
2.4(5)
$239
Bulk Pricing
Buy More, Save More! Bulk pricing applies automatically in cart.
Qty 1-2
$239.00 / unit
Qty 3-5
$209.00 / unit
Best Value
Qty 6+
$189.00 / unit
30-Day Returns
Australian Stock
Warranty Included
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Customer Reviews

Bazaarvoice Authentic Reviews

2.4

5 reviews

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Mine works reliably (poor build quality though)

JIMTEKKITFebruary 2025

No complaints about the reliability. Approaching two years of powering 60 watts worth of 12V LED lights on a daily basis, in the summer heat and winter cold of my shed. That said, the construction and soldering quality is completely hap-hazard. All through-hole components, some are positioned almost completely outside their designated footprint or not seated properly so quality is poor. Solder pads are only on the underside of the PCB. The efficiency rating is allegedly 92.5% but I highly doubt that. Pricey for what you get on the inside.

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AMAZING POWER SUPPLY FOR EVERYONE

QHRONTOBYTEApril 2024

perfect power supply outputs 13.73v dc but close enough to 13.8v dc I think they could store more of these, these are great for everyone, Even anyone under 18, BUT BEWARE THERE IS A FUSE ON THE BACK WHICH IS LIVE AT MAINS VOLTAGE WHEN PLUGGED IN WHEN YOU ARE CHANGING THE FUSE MAKE SURE IT IS UNPLUGGED BEFORE REPLACING ANY FUSE ON POWER SUPPLY EVEN THE LOW VOLTAGE SIDE

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both front plugs melted all the way to the bottom

letsdancemusicSeptember 2025

connector on front have melted the panel to the bottom fire hazard and fan stopped working this is second unit after 1st one did same thing and had that replaced was told by staff to bare with it and replace the front panel myself, way expensive for the reliability

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Doesn't last.

Daniel CJuly 2026

Melted internal traces. Repaired multiple times until resisters exploded with a bang. No information on what size the resistors are so can't replace them. 100% not worth buying!

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Doesn't last.

Daniel CFebruary 2026

Board has burnt out 5 times in the same spot. The last time it blew resisters and there is no circuit diagram to tell me what the resisters were, so I can't fix it anymore.

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