Sun Joe, the warm-weather brand from Snow Joe, has built a following for affordable, easy-to-use electric outdoor tools. The Sun Joe lawn mower lineup offers both corded and cordless battery models aimed at homeowners with small to medium yards who want quiet, low-maintenance cutting without gas or fumes. This guide explains the range, features, and care.
- Who Sun Joe Is Made For
- Corded Electric Models
- Cordless Battery Models
- Understanding Cutting Width and Deck Size
- Height Adjustment and Grass Handling
- Key Features to Look For
- How to Set Up and Use a Sun Joe Mower
- Maintenance Is Minimal
- Costs and Value
- Common Problems and Fixes
- Common Mistakes to Avoid
- How Sun Joe Compares
- Corded Versus Cordless: Choosing Between Them
- Battery Care for Cordless Models
- Getting a Clean Cut Every Time
- Final Verdict
Who Sun Joe Is Made For
Sun Joe positions itself as a value brand. Its mowers are not built for acreage or commercial crews; they are designed for suburban lawns under about a third of an acre, townhome yards, and anyone tired of pull-starting a gas engine. If you want a lightweight, plug-and-go or push-button-start mower at a budget price, Sun Joe fits the bill.
Corded Electric Models
Sun Joe’s corded mowers are among the most affordable powered mowers available, often $120 to $170. Models like the MJ401E offer a 14-inch cutting width and a 12-amp motor, while larger units step up to 16 or 17 inches and 13 to 14 amps. Benefits include unlimited runtime as long as you are plugged in, very light weight around 30 pounds, and no batteries to charge or replace. The trade-off is the extension cord, which limits range to about 100 feet and requires care not to run over it.
Cordless Battery Models
Sun Joe’s iON+ cordless mowers run on 24V or 48V (two 24V batteries) lithium systems. A single 24V model handles small yards for about 20 to 30 minutes per charge, while dual-battery 48V units extend runtime and power for medium lawns. Cutting widths range from 14 to 21 inches across the cordless line. These mowers start with the push of a button, produce no emissions, and let you roam freely without a cord.
Understanding Cutting Width and Deck Size
Cutting width determines how many passes you make. Sun Joe decks span from a compact 12 or 14 inches on entry models to a full 21 inches on larger cordless mowers. A wider deck cuts faster but weighs more and is harder to maneuver around tight landscaping. For a small courtyard, a 12 to 14 inch deck is nimble; for a medium lawn, 16 to 21 inches saves time.
Height Adjustment and Grass Handling
Most Sun Joe mowers offer a single-lever or multi-position height adjustment, typically ranging from about 0.98 inches up to 3 inches across several settings. This lets you scalp a lawn short in spring or leave grass taller in summer heat to protect the roots. Many models include a rear collection bag holding roughly 10 to 14 gallons of clippings, and some support side discharge or mulching, though a dedicated mulching plug may be sold separately.
Key Features to Look For
- Detachable grass bag for easy emptying without tipping the mower.
- Foldable handle that collapses for compact vertical storage in a garage or shed.
- Steel or durable poly deck depending on model; steel resists impacts better.
- Battery indicator on cordless models so you know remaining charge.
- Safety key or push-button start that prevents accidental operation.
How to Set Up and Use a Sun Joe Mower
- Attach the handle and grass bag following the quick-start guide; assembly takes 10 to 15 minutes.
- For corded models, connect a properly rated outdoor extension cord, ideally 12 or 14 gauge.
- For cordless models, fully charge the battery, which typically takes a few hours, before first use.
- Set the cutting height with the lever, insert the safety key or battery, and squeeze the bail while pressing the start button.
- Mow in overlapping rows, and empty the bag before it packs full to keep suction strong.
Maintenance Is Minimal
One of the biggest advantages of an electric mower is how little upkeep it needs. There is no oil to change, no spark plug, no air filter, and no fuel to stabilize. Routine care consists of:
- Cleaning grass buildup from under the deck after each mow, with the power source removed.
- Sharpening or replacing the blade once or twice a season for a clean cut.
- Storing batteries indoors in moderate temperatures and keeping them partially charged over winter.
- Wiping the housing and checking that vents are clear of debris.
Costs and Value
Corded Sun Joe mowers typically cost $120 to $180. Cordless models range from about $200 for a small single-battery unit to $400 or more for a larger dual-battery mower with a bigger deck. Replacement blades run $15 to $30, and spare 24V batteries cost roughly $60 to $100 each. Given the low running costs of electricity and no fuel or tune-ups, total ownership cost stays low over the mower’s life.
Common Problems and Fixes
If a corded Sun Joe stops mid-cut, check that the cord retention hook is holding and that the outlet breaker has not tripped from an overload in wet grass. If a cordless model runs briefly then quits, the battery may be low or the deck may be clogged, forcing the motor to draw too much current. A mower that cuts unevenly usually has a dull blade or uneven wheel-height settings. If the motor will not start at all, confirm the safety key is fully seated and the bail is squeezed against the handle.
Common Mistakes to Avoid
The most frequent error is mowing wet or very tall grass, which bogs the motor and clogs the deck; electric mowers have less torque than gas, so mow dry grass in shallower passes. Another mistake is using an undersized extension cord, which starves the motor of voltage and can overheat the cord. On cordless units, letting a battery sit fully drained for months shortens its life. Finally, forgetting to remove the safety key or battery before cleaning the blade is a serious hazard.
How Sun Joe Compares
Against premium electric brands, Sun Joe trades some build quality and battery capacity for a much lower price. It will not match a high-end battery mower’s runtime or a gas mower’s brute power, but for a modest lawn it delivers reliable, quiet cutting at an accessible cost. Buyers on a budget who value simplicity over maximum performance find it a sensible choice.
Corded Versus Cordless: Choosing Between Them
The decision between a corded and cordless Sun Joe comes down to yard size, layout, and budget. A corded model makes sense when your entire lawn sits within about 100 feet of an outdoor outlet, when you want the lowest possible price, and when you never want to think about charging or battery replacement. The cord is a minor nuisance you manage by mowing away from the outlet and keeping the cord behind you.
A cordless model makes sense when your lawn has areas beyond cord reach, when you have obstacles like trees or beds that make a trailing cord awkward, or when the convenience of grab-and-go mowing outweighs the higher price and finite runtime. If your lawn is on the larger end for Sun Joe’s target range, buy a spare battery so you can swap and keep mowing while one charges. Weigh these trade-offs honestly against how you actually mow.
Battery Care for Cordless Models
Lithium-ion batteries last longest with proper care, and Sun Joe’s iON+ packs are no exception. Store batteries indoors at moderate room temperature rather than in a freezing or baking garage, since temperature extremes shorten lithium cell life. Avoid leaving a pack fully drained for long periods; if storing over winter, charge it to roughly half capacity first. Keep the metal contacts clean and dry, and never charge a battery that is visibly damaged or has been submerged. Following these simple rules can double the useful life of a battery, sparing you the largest replacement expense in the mower’s ownership.
Getting a Clean Cut Every Time
Electric mowers reward good technique because they have less torque in reserve than gas engines. Mow only when the grass is dry, since wet grass clumps, clogs the deck, and drags down the motor. Keep the blade sharp, as a dull blade tears grass and leaves ragged brown tips while forcing the motor to work harder. Do not try to remove more than a third of the grass height in a single pass; if the lawn got overgrown, cut it in two stages a few days apart. Overlap each pass slightly to avoid leaving uncut strips, and empty the bag before it packs solid to maintain strong airflow and suction.
Final Verdict
The Sun Joe lawn mower is a strong pick for homeowners with small to medium lawns who want an affordable, low-maintenance electric machine. Choose a corded model for the lowest price and unlimited runtime near an outlet, or a cordless model for freedom of movement. Keep the blade sharp, mow dry grass in reasonable passes, and store the batteries properly, and a Sun Joe will keep your yard tidy for many seasons with almost no fuss.
