Wee Boats for Your BIG Adventures


Ultralight 403 C Kayak and Light Boat Motor

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Item #1406-00

 Discontinued - please see the new Ultralight 403 AC

The new Ultralight 403 C includes the 915 Wh battery from Torqeedo, the leader in electric boat motors.  Designed specifically to propel kayaks, canoes, and other light boats for up to 24 hours on a single charge.

The integrated on-board computer provides a GPS-based calculation of the remaining range. The Ultralight 403 doesn't limit your paddling performance but can – when called on – give you the right push: ideal when battling the current or wind OR you just need to give your arms a wee break.

Its variable mounting options means it can be used with many makes of kayaks, canoes, and other light boats.



  • The Ultralight 403 motor system includes a throttle/gear shift, kick-up ball mount, ultra-quiet, efficient motor and a GPS housed within the 29.6V, 915 Wh lithium-manganese battery.
  • The GPS enables the throttle/gear shift to digitally display battery state of charge, remaining range, speed and current input power.
  • Capable of propelling a kayak, canoe, or other light boat for up to 24 hours at 2.6 mph.
  • 1-hp equivalent
  • Included 915 Wh high-performance lithium battery
  • Comes with charger, remote throttle, on-board computer, GPS-based range calculation and emergency magnetic stop key
  • Steering /tilting /auto-kickup – easy integration with your kayak's steering system
  • Extended navigation functions of the on-board computer with TorqTrac (optional accessory)
  • Universal mounting ball for easy attachment to the kayak, canoe, or light boat
  • Untiring: up to 59 mile range
  • Completely waterproof (IP67)
  • Solar rechargeable – including during the voyage (optional accessories)
  • In the box - Motor unit with shaft and connection cable (2m / 6.562ft), universal joint with pivot arm, pylon, and propeller, Boom with clamping device and mounting ball, Lithium ion battery with integrated GPS receiver, Remote throttle lever with integrated display, Magnetic key, Assembly set with fixing material, rubber rest, cord, rubber trim, lock pin and accessories, Allen key SW5, Battery connection cable – remote throttle (4.921ft), Pack sack, Mains power supply incl. Euro mains cable, US mains cable, Operating manual, and Warranty certificate





Best Use Kayaking, Canoeing, Fishing
Battery Size 915 Wh (31 Ah)  Li-Ion 

Battery Recharge Time

(completely discharged battery)

 10.5 hours

Running Time


Slow 24:00, Half-throttle 11:50, Full-throttle 02:20



Slow 2.6, Half-throttle 3.7, Full-throttle 5.8

Comparable gas outboards

(propulsive power)

1 hp

Comparable gas outboards


2 hp
Shaft Length 17.7 inches

Standard propeller

(v = speed in km/h at p = power in watts)

Total Weight 23.6 lbs

Motor Weight

(without battery)

9.7 lbs
Battery Weight 13.9 lbs
Warranty 2 year manufacturer's limited warranty for non-commercial use
Shipping Weight 30 lbs


* Depends on type of boat, load, propeller and conditions. Speed and range indications do not represent a legal guarantee.


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