EGO LM2135SP Self-Propelled
Top PickWhat We Like
- Cuts through thick, overgrown grass without slowing down.
- Two batteries provide enough runtime for half-acre yards without mid-job recharges.
- Operates quietly enough for conversation-level noise.
- Push-button start and variable-speed self-propel reduce physical effort.
- Batteries work with other EGO tools, expanding use across the yard.
Worth Noting
- On steeper slopes, the self-propel drive may need occasional resetting.
- Runtime
- Up to 60 min
- Power Source
- 56V 7.5Ah+5.0Ah
- Cutting Width
- 21 in
- Self-Propelled
- Yes
Read the full review
The LM2135SP includes two 56V batteries: a 7.5Ah pack that runs up to 60 minutes and a 5.0Ah spare for extended sessions. On a half-acre lot, you can finish mowing without a mid-job recharge. The 21-inch steel deck houses a brushless motor that powers through grass up to 6 inches tall, including damp or thick patches, without stalling. The self-propel drive moves at a walking pace, and the touch-control lever lets you vary speed from a slow crawl to a brisk 3.5 mph. Hot-swapping batteries between tasks eliminates downtime.
The push-button start works instantly, doing away with recoil starters and pull-cord fatigue. A single-lever height adjuster changes cut from 1.5 to 4 inches in seconds. At full load, the motor emits a low hum rather than a roar, making early-morning or evening mowing reasonable without disturbing neighbors. The 2.4-bushel bag collects clippings evenly, with a clear window to monitor fill level. The handle collapses for compact storage, though the push version folds more tightly.
On flat ground, the rear-wheel self-propel feels smooth and responsive. The speed control responds immediately to changes in grip pressure, letting you match the mower to your walking pace and reducing fatigue on longer mows. On moderate slopes, the system maintains traction without slipping. On steeper inclines, the drive may need a quick release-and-reengage to reset, but it's a straightforward adjustment that takes seconds.
Both batteries share a common rapid charger that tops off the 5.0Ah pack in about 50 minutes and the 7.5Ah in about 70. The batteries are compatible with EGO's string trimmers, blowers, and chainsaws, making the initial investment more practical for households already in or considering the EGO ecosystem. This one purchase powers multiple tools, reducing overall spending on yard equipment.
This mower suits homeowners with quarter- to half-acre lots who want gas-level cutting performance without the fuel, noise, or maintenance. For flat, small yards under a quarter acre, the premium price is harder to justify, and the push version of this same deck (the LM2135P) offers similar cutting at a lower cost. For properties beyond half an acre, a riding mower may be more practical, but for the intended range, this EGO delivers on both runtime and power.
On steep inclines, keep the self-propel engaged at a steady pace; if it hesitates, a brief disengage-reengage clears it.
Bottom line: For homeowners with a quarter-acre or larger lot who want gas-mower power in a cordless package, this EGO delivers on both runtime and cutting ability.