Greenworks 80V 21" Self-Propelled Cordless Lawn Mower – Brushless Motor, LED Lights, 4.0Ah Battery & Rapid Charger (75+ Compatible Tools)

This Greenworks mower sits in a category that has come a long way from the early “battery mower” compromises. On paper, it is built to cover a real yard, not just a tidy patch of grass: a 21-inch steel deck, a brushless motor, self-propelled rear-wheel drive, and an 80V battery platform that Greenworks says can handle up to half an acre on a charge, depending on conditions. That last part matters. Battery claims always sound cleaner than they are in practice, and the fine print here is doing the honest work. Thick grass, damp grass, hills, and operator pace will all pull that number down.

What stands out most is that the product is trying to solve for convenience without pretending to be minimal. The self-propelled drive is a big deal for comfort, especially on sloped or uneven yards, and the variable speed control gives it a more practical feel than the fixed-speed systems that can be either annoyingly slow or uncomfortably brisk. The 4-in-1 setup is also useful in the real world. Mulching, bagging, side discharge, and turbo leaf pickup mean this is not just a one-purpose cutter; it can adapt to different mowing habits and seasonal cleanup. That kind of flexibility is often more valuable than another watt, amp, or claimed torque figure.

The customer feedback lines up with that story pretty well. Reviewers repeatedly mention easy starting, strong cutting performance, and noticeably quieter operation than gas models. Several comments also call out the lighter feel compared with older gas mowers, which is one of the main reasons people move to cordless in the first place. A few reviews mention handling tougher grass and weeds without bogging down, which suggests the brushless motor and 80V platform are not just decorative spec-sheet language. The “turbo” mode also appears to earn its keep when the lawn gets messy.

There are still the usual tradeoffs. At nearly 75 pounds, this is not a featherweight machine, and the fact that assembly is required means it is not quite a grab-and-go purchase. The battery system is also part of the larger Greenworks ecosystem, with compatibility across 75+ tools, which is useful if you want to build around one platform but less relevant if you only need a mower. And while LED headlights sound like a small detail, they do point to the broader design intent here: this is made for practical use, not just weekend-showpiece storage.

Taken as a whole, the mower looks like a fairly mature cordless option for homeowners who want gas-like capability without the upkeep. It is not trying to be the simplest mower in the aisle. It is trying to be the one that makes the job less annoying, and that distinction matters more than the marketing copy usually admits.

Overall, reviews commonly describe a user-friendly, quieter 80V self-propelled mower with solid cutting power for most yard conditions, while performance can depend on how overgrown or tough the grass/weeds are.

• —[80V 21” SELF-PROPELLED LAWN MOWER] - Get more done, faster, with Greenworks electric lawn mowers. This 80V lawn mower cuts up to 1/2 acre with a fully charged 4.0Ah battery (varies based on grass condition and operator technique)
• —[BRUSHLESS MOTOR / DURABLE STEEL DECK] - This electric mower features a durable 21" deck, and a highly efficient brushless motor that provides more torque, quiet operation, and longer life
• —[SELF-PROPELLED] – Rear wheel drive and variable speed control for maximum traction, maneuverability, and control
• —[LED HEADLIGHT] – High visibility LED lights allow for early morning and late evening mowing. 3x quieter than gas!
• —[4-IN-1 SYSTEM] – Mulch, bag, side discharge, and turbo leaf pickup