Can the eufy E15 mow a sloping lawn?

Only a gentle one. eufy rates the eufy Robot Lawn Mower E15 for slopes of 18 degrees, which works out at 32.5%. That covers most lawns that look flat or slightly tilted, but not steep banks or terraced gardens.

The figure causes some confusion because eufy's own product copy and user guide print "40%" next to 18 degrees. The two don't match: 18 degrees is roughly 32.5% when expressed as a gradient (rise divided by run). eufy's comparison page for the C15 lists the E-series as 32%, which agrees with the maths, so we use the lower number.

For context, many wire-free rivals at a similar price are rated for 45% or more, so the E15 is at the cautious end. A slope rating is also a best case. Wet grass, soft ground and slopes that run across the mower's path rather than straight up and down all reduce grip, so a lawn that measures close to the limit on a dry day may cause wheel slip or stalls after rain.

If you're unsure about your garden, measure the steepest part over a metre or two and convert it to a percentage. Our slopes guide shows how, and explains why degrees and percentages are so often mixed up. If your lawn is steeper than about 18 degrees, look at mowers with a higher rating on our wire-free hub instead.