The LI-500 is available in two mast heights — 4.2m and 5.3m — and the right choice depends on coverage area and site layout more than a simple "taller is always better" assumption.
A taller mast throws light over a wider ground area from a single position, since the light source sits higher and covers a broader radius before intensity drops off. The 5.3m LI-500 covers more ground per unit than the 4.2m version, which matters most on open sites with fewer positions available to deploy multiple towers.
Sites with more constrained space, lower overhead clearance (structures, overhead lines, indoor-adjacent areas), or where multiple lower-mounted towers already provide adequate distributed coverage often don't need the taller option's extra reach. The 4.2m version is also marginally lighter and easier to manoeuvre in tighter spaces.
Wide open sites — mining haul roads, large yards, expansive construction footprints — benefit most from the 5.3m version's greater reach, since covering the same area with the 4.2m version would need more towers positioned more closely together.
Lumen output, battery pack compatibility, wind rating, and IP rating are the same across both mast heights — the choice is purely about coverage geometry and site clearance, not a trade-off in output or durability.
See the full LI-500 spec table for exact weight and dimension differences between the two mast heights, and contact us if you're unsure which fits your site layout.
Coverage area per unit — the 5.3m version throws light over a wider ground radius from a single position. Lumen output, battery compatibility, and ratings are the same across both.
For more constrained spaces, sites with lower overhead clearance, or where multiple lower-mounted towers already provide adequate distributed coverage.
On wide open sites — mining haul roads, large yards, expansive construction footprints — where covering the same area with the shorter mast would need more towers positioned more closely together.
No — lumen output, battery pack compatibility, wind rating, and IP rating are identical. The choice is about coverage geometry and site clearance only.
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