Black+Decker 40V MAX Chainsaw Review: Pros, Cons and Who It’s For

Black+Decker 40V MAX chainsaw review: the short verdict

The Black+Decker 40V MAX system provides higher pack voltage than 20V tools in the brand’s cordless lineup. The LCS1240 pairs that 40V MAX lithium-ion platform with a 12 in bar and chain, tool-less chain tensioning, an automatic oiler, and a full wrap-around handle. The manufacturer publishes an average figure of over 60 cuts in 4×4 pine lumber per single charge from the included 2.0Ah pack, while noting the battery holds a charge for up to 18 months in storage.

For rural and suburban wood burners, that delivers a quiet, low-maintenance saw for clearing branch fall, cutting kindling, and trimming limbs without mixing 2-cycle fuel. The weak points are on the listing side: no stated warranty term, no stated chain brake, and a compact 2.0Ah battery that limits sustained cutting in dense hardwood.

Key specs

Specifications are manufacturer rated, as published on the Amazon listing. The title and bullets state that a 40V MAX 2.0Ah battery and charger are included, and highlight a battery state of charge indicator. In contrast, the technical spec table names only the chainsaw unit under included components. We credit the title and bullets over the spec table. The listing also gives an item weight of 10.4 pounds and dimensions of 28.56 inches long by 8.81 inches wide by 9.63 inches high. As with many retail listings, that weight figure may include the battery or packaging, so treat it as an upper estimate. Chain pitch, gauge, chain speed, and oil tank volume are not stated.

The saw

What the Black+Decker 40V MAX does well

Cordless convenience and battery storage

The main advantage of the 40V MAX battery platform is push-button starting without 2-cycle engine chores. Storing a gas saw through the off-season requires fuel care, whether draining the carburetor or treating mixed fuel. The manufacturer states that this 40V MAX lithium-ion battery holds a charge for up to 18 months, allowing homeowners to leave the tool ready for sudden wind-thrown branches. The onboard battery state of charge indicator gives a quick check of remaining charge before heading to the woodpile.

Lightweight handling and wrap-around handle

At a listed weight of 10.4 pounds, the saw is easy to carry around the yard. The full wrap-around handle provides comfortable hand positioning when switching between horizontal cuts and angled branch trimming. For wood burners who want an easy-handling saw for ground-level limbing, the lighter weight reduces fatigue.

Tool-less chain tensioning and automatic oiling

The LCS1240 features tool-less chain tensioning, allowing quick adjustments with a side dial rather than searching for a hand wrench. An automatic oiling system provides constant lubrication along the guide bar and cutting chain while cutting, reducing friction and preventing heat buildup between the chain and guide rails.

Limitations

• No warranty on this listing. The Amazon product page does not state a warranty term. Confirm coverage with the seller or manufacturer before buying. Our Woodlot Score awards zero warranty points when no term is stated.
• No stated chain brake or safety certifications. The listing does not mention a chain brake or UL, ETL, or CSA safety listings. Operators must maintain strict cutting technique and keep a firm grip on the tool handles.
• Spec table contradiction. The spec table lists only the bare tool under included components, contradicting the title and bullets which include the battery and charger.
• Light-duty battery capacity. An average of over 60 cuts in 4×4 pine lumber works for pruning, but processing dense hardwood draws down the 2.0Ah battery much faster.
• 12 in bar limit. The 12 in bar is sized for branches and small rounds. Larger logs exceeding the bar length require cutting from both sides and push the small motor.
• Thin listing. Chain pitch, gauge, chain speed, and oil capacity are not stated. Check the physical bar markings before buying replacement chains.

How we scored it

The Woodlot Score weighs performance, build quality, value, safety, and warranty, using only what the listing publishes. The full method is explained on our How We Pick guide.

Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.

Who should buy the Black+Decker 40V MAX, and who should skip it

Buy it if

• You need a quiet, lightweight yard saw for cutting kindling, limbing branches, and clearing storm debris.
• You prefer cordless battery operation and want to avoid mixing fuel or maintaining carburetors.
• You already use Black+Decker 40V MAX outdoor tools that share the same battery platform.
• Your cutting is limited to small rounds and limbs within the reach of a 12 in bar.

Skip it if

• You buck full cords of hardwood for winter heating. Mid-size gas saws provide the displacement needed for continuous bucking.
• You want a heavy-duty battery saw for all-day cutting. Larger cordless saws with higher-capacity batteries offer extended runtime.
• You want a written warranty and a certified chain brake confirmed before purchase.
• You regularly cut large trunks that require a longer guide bar.

Alternatives to consider

Black+Decker 20V MAX Chainsaw. For lighter garden trimming, the 20V version offers a smaller build. The 40V MAX LCS1240 provides higher voltage and a 12 in bar for thicker branches and kindling rounds. Read our Black+Decker 20V MAX Chainsaw review.

Higher-capacity battery chainsaws. Homeowners seeking cordless convenience with more power for regular firewood bucking can look at larger cordless saws in our best battery chainsaw for homeowners guide.

Gas firewood saws. For cutting multiple cords of dense hardwood, a mid-size gas saw provides continuous cutting power. Compare top picks in our best chainsaw for firewood roundup and read our gas vs battery chainsaw comparison.

Safety and gear

Even a 12 in battery saw requires full safety gear: chainsaw chaps, a helmet with a face screen and hearing protection, cut-resistant gloves, and sturdy boots. Keep the upper quarter of the bar tip, the kickback zone, clear of contact with wood and ground debris. Because the listing does not state a chain brake, careful handling is essential. Never cut alone, and maintain a firm grip using the wrap-around handle. This site does not give tree-felling instructions; for felling, hire a certified arborist. Keep the chain sharp with our best chainsaw sharpener picks.

Around the Woodpile

• Battery storage: The listing notes the 40V MAX lithium-ion battery holds a charge up to 18 months; store the pack indoors at moderate room temperature away from sub-freezing winter cold.
• Oiler upkeep: The automatic oiling system provides constant lubrication to the 12 in bar and chain; check oil levels before cutting and clear wood chips from the fill cap.
• Chain tension checks: Check chain tension when the saw is cold using the tool-less adjustment dial; cutting friction heats and expands the metal, so allow the chain to cool before readjusting so it does not contract too tight.
• Wrap-around handle: Use the full wrap-around handle to maintain control when trimming branches at different angles.

Frequently Asked Questions

How many cuts can the Black+Decker 40V MAX make on a single charge?

The listing states that the 40V MAX 2.0Ah battery provides over 60 cuts in 4×4 pine lumber on average per charge. Cut counts vary with wood hardness and moisture, with seasoned hardwood using more power than soft pine.

Does the Black+Decker LCS1240 come with a battery and charger?

The listing title and bullet points state that the 40V MAX battery and charger are included. The spec table lists only the chainsaw unit under included components, but the retail package includes the battery and charger.

What warranty does the Black+Decker 40V MAX chainsaw have?

The Amazon listing does not state a warranty term. Confirm warranty coverage with the seller or Black+Decker before buying, and keep your receipt after purchase.

Does this saw have an automatic oiler?

Yes. The listing confirms an automatic oiling system for constant lubrication of the 12 in bar and chain while cutting.

Is the Black+Decker 40V MAX suitable for cutting firewood?

It is suitable for light firewood duties, such as cutting kindling, trimming branches, and cutting small rounds within the reach of its 12 in bar. Bucking full cords of dense hardwood calls for a dedicated gas saw.

Related guides

See every saw guide on our chainsaws hub, browse cordless options on our battery chainsaws category page, compare gas models in our best chainsaw for firewood roundup, read our Black+Decker 20V MAX Chainsaw review, compare picks in our best battery chainsaw for homeowners roundup, explore tradeoffs in our gas vs battery chainsaw comparison, and plan fuel prep with our guide on how long to season firewood.