Ronin Lift Power Ascender

Typically ships same day if ordered by 7pm EST

The Ronin Lift Power Ascender is a revolutionary, battery-powered rope ascender with a lightweight, portable and durable design.


Ronin Lift Power Ascender


  • A hot-swappable battery to keep you moving all day
  • A thumbwheel-trigger speed-control for easy operation
  • A secondary lock for hands-free work
  • Integration with a wide range of climbing technology
  • A 400-lbs continuous lifting capacity
  • Variable lifting speeds of up to 2 feet per second
  • Lightweight and compact design at a max weight of 26 lbs

Rope Requirements:

  • Static line rope 32-strand or higher
  • Kernmantle or Aramid Sheath
  • After the rope is loaded the diameter doesn’t shrink below 10mm
  • No larger than 12mm in diameter in a relaxed state
  • Elongation for 10mm-11.5mm less than 2%
  • Elongation for 11.6mm-12mm less than 3.3%


Category Battery Powered Rope Ascender 
Length (L)

11.35 inches

Width (W) 15.39 inches
Height (H) 13.35 inches
Weight 26 lbs. Max
Construction  Aluminum
Finish  Powder Coat Black

Temperature Range

-4 ºF – 140 ºF
Ingress Protection (IP)


Battery Type  28 VDC Lithium Ion Rechargeable

Battery Life Ascent
Standard Battery

3.5 min. continuous use 400lbs (500 ft. rope)
7.0 min. continuous use 200lbs (1000 ft. rope)

Battery Re-Charge

~ 2.5 hours 
Rope Type

10-12 mm Aramid or Kernmantle Static Line

Rope Loading Manual Rope Load
Ascent Speed 

Variable (0.5 – 1.7 ft./per second)

Descent Method  Gravity Feed with manual brake 
Descent Speed  4.0 ft./sec. max @ 400 lbs
Climbing Method  Single Rope Technique 
Secondary Safety Secondary Lock Out Feature (Hands-Free)
Max Working Load  400 lbs
Product Approvals  CE and ANSI tested approval 2018

The Ronin Lift Power Ascender is a revolutionary, battery-powered rope ascender with a lightweight and durable design. The Ronin features a thumbwheel-trigger speed-control and a secondary lock for hands-free work. The battery is hot-swappable to keep you moving all day long. The Ronin was designed to integrate with a wide range of climbing technology so it will most likely work with your existing gear. The Ronin offers a 400-lbs continuous lifting capacity and a variable lifting speed of up to 2 feet per second.

The Ronin is built with steel and aluminum components and weighs only 26 lbs with its largest battery pack. Let your Ronin do all the heavy lifting to get you up and down your rope so you can save energy for other important tasks.

More Information
SKU RON-2805-11
Manufacturer Ronin
Manufacturer Model 2805-11
Model None
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