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  • Slowlark PWM DC motor speed controller
 Rated 4.8 Excellent - Trusted By 17,000+

Slowlark ™

$119.99
$119.99
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check_circle Slow a too-fast ride-on to your pace

check_circle Halt your motor from the board itself

check_circle Hear less whine from your motor

check_circle Wire it right with labeled terminals

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  • Connect your DC power supply to the P+ and P- input terminals.
  • Wire your brushed motor to M+ and M-. Swap the two wires to reverse direction.
  • Slide the switch to Run and twist the knob to set your speed.
  • Slide the switch to Brake or Stop when you want the motor to halt.

  • 1 PWM controller with potentiometer knob
  • 1 inline fuse holder with fuse and 30 cm (11.8 in) red wire

Once your item/s is dispatched,
the estimated delivery time is:

- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days

You have 90 days to return your product for a full refund (return shipping is covered by the customer; defective items ship a free replacement).

✓ Official Authorized Retailer

This product is not available on Amazon or eBay. You are purchasing directly from the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.

Slowlark PWM DC motor speed controller

Slowlark

 4.8/5
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  • Over 17,000 recommend Slowlark

Built for control you can reach

toggle_on

Halt the motor from the board

Stop or brake with one slide of the switch. The on-board switch has Run, Stop and Brake positions, and must sit on Run to drive.

tune

Put the dial where your hand reaches

Mount the knob away from the board. The potentiometer separates on a cable of about 15 cm (5.9 in).

Slowlark
shield

Mount it covered and fixed in place

Screw it down with the board covered. The perforated metal case has side flanges with screw holes.

bolt

Fuse included, ready to wire

Get a fuse in line from the start. The holder takes a replaceable car-type blade fuse on a 30 cm (11.8 in) red 12 AWG wire.

Frequently Asked Questions

verified +347 experts reviewed it as the best choice in 2026
Q1 Does it work with brushed or brushless motors?
Brushed DC motors only. It will not drive brushless motors, and it cannot take AC input. You also need your own DC power supply, since one is not included.
Q2 Will it handle my voltage and power?
Yes for most brushed DC setups from 7 to 70V. Higher voltage means less usable current, so leave margin and stay within the limit for your voltage, for example 24V up to 400W. Others: 12V 300W, 48V 450W, 60V 500W.
Q3 Will it slow down my Power Wheels after a tool battery upgrade?
If the motor is brushed DC and your battery falls in the 7-70V range, the knob lets you turn the speed down. Stay within the power limit for your voltage, for example 24V up to 400W.
Q4 Why does my fuse keep blowing?
Higher voltage means less usable current, so keep to the power limit for your voltage, for example 24V up to 400W. Check your input polarity, since reversed polarity damages the controller. The blade-type fuse is replaceable.
Q5 How do I wire it without instructions?
Input goes to P+ and P- from your DC supply, and getting the polarity wrong damages the controller. The motor goes to M+ and M-, and it does not care about polarity. Swap its wires to reverse direction.
Q6 Can I use it with a 12V fan or pump?
Yes, if the motor is brushed DC and stays within 12V up to 300W. The knob sits on a detachable cable of about 15 cm (5.9 in), so you can place the dial where it suits your fan or pump.
Q7 Will it fit in my ride-on toy or project?
The module measures 90 x 59 x 34 mm (3.54 x 2.32 x 1.34 in). Measure the free length, width and height of your space, and leave room for the side flanges and the knob cable.
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