When selecting a cordless electric lawnmower, the battery voltage represents a key indicator of expected performance and how well the mower handles thicker grass.

Battery voltage directly correlates with several user benefits that improve the mowing experience. Understanding why voltage matters grants insight into choosing a model matching your lawn’s needs.

More Voltage Equates to Increased Runtime

The higher the voltage, the longer the charge lasts, allowing the mower to run continuously for a longer period before needing to recharge or swap batteries.

Most modern cordless mowers operate on 40V, 60V or 80V lithium-ion battery packs. The 40V battery models land on the lower runtime side, while 80V packs sustain the electric mowing motor for over an hour, even with thicker grass.

Gardens with dense vegetation do better with 60V or 80V batteries that won’t slowly lose momentum. For smaller spaces with average growth, 40V gets the job done. When estimating lawn size and grass density, keep in mind voltage ties directly to possible motor run time off a single charge.

Added Motor Torque for Thick Grass

Beyond extending operation between charges, increased battery voltage also equates to more torque applied to the electric mower motor. The higher voltage enables more cutting power to spin the blades through challenging turf without bogging down or needing to reduce pace. Cordless mowers with 60V or 80V battery packs feel almost effortless gliding through tall, thick grass.

If dealing with predominantly dense, overgrown lawns, the extra torque of a 80V mower maintains blade speed to leave an even cut. Lawns with average density still benefit from 60V models optimised for sufficient torque without overcompensating. When grass poses resistance, voltage adds strength to prevent slowing or uneven cuts.

Quieter Operation

Higher voltage battery packs allow cordless mower motors to operate more efficiently with less mechanical noise. Models in the 60V-80V range utilise the electrical source to maximise power directed specifically into rotation energy. That increased efficiency requires less grating noise to perform at the same level as 40V-50V mowers.

If desiring quieter lawn care, the subtle noise reduction makes a difference over years of mowing sessions. Reduced sound also improves safety and awareness of surroundings while finishing lawn work. Battery voltage powers performance, partially replacing loud gas engines.

Evaluate Your Lawn Needs Against Voltage

When selecting the ideal cordless mower for your situation, ensure voltage matches expected grass density and garden landscape obstacles.

Maintained properties with mostly flat, open layouts adapt better to standard 40V runtimes without compromising cut quality. Homeowners managing dense growth on winding hills will experience situations where underpowered battery voltage drains too quickly or fails to spin blades against resistance.