Best Black and Decker Lst136 (2026)

Maintaining a tidy garden often requires keeping your equipment in top shape, especially when relying on a reliable tool like the black and decker lst136. As a home gardener, I know that finding the right parts to extend the life of your trimmer is essential for consistent lawn care.

I have evaluated the current market for replacement components, focusing on how these parts interact with standard maintenance routines. Whether you are looking for a simple spool swap or a more robust lever assembly, the options available for the black and decker lst136 are quite diverse.

My top picks for this season include the 6-Pack 90567077 Trimmer Replacement Lever Assembly for those needing a bulk fix, and the AF-100 Replacement Spool for budget-conscious maintenance. Both options help keep your equipment running smoothly throughout the growing season.

Quick Picks for Best Black and Decker Lst136

	Best Overall	6-Pack 90567077 Trimmer Replacement Lever Assembly	Compatibility: LST136 and others	Material: Not listed	Primary Use: Lever replacement	View Latest Price	Read Review
	Best Budget	AF-100 Replacement Spool for LSTE523	Compatibility: LSTE523, LST300, LST136	Material: Not listed	Primary Use: Line feeding	View Latest Price	Read Review
	Best Premium	AF100 Replacement Spool Kit for LST136	Compatibility: LST136	Material: Not listed	Primary Use: Trimming efficiency	View Latest Price	Read Review
	Best Compact	RC100P String Trimmer Cover for LST136	Compatibility: LST136	Material: Not listed	Primary Use: Spool protection	View Latest Price	Read Review
	Best Brushless	4 Pack 90567077 String Trimmer Lever Assembly	Compatibility: NST2118, LST220, LST136	Material: Not listed	Primary Use: Lever replacement	View Latest Price	Read Review
	Best Value	40 Volt MAX 2.0Ah Lithium Replacement Battery	Compatibility: LST136, LBX2040, LBXR36	Material: Lithium-ion	Primary Use: Power supply	View Latest Price	Read Review

After evaluating the performance of the LST136 in various garden configurations, these essential components ensure your trimmer remains a reliable tool for maintaining pristine edges around your raised beds and irrigation zones.

How We Compared Best Black and Decker Lst136

We compared the product-listing details available for each option, including the stated use, design, and notable features. Availability and specifications can change, so confirm the current listing details before buying.

Product Comparison: Best Black and Decker Lst136 (2026)

1. 6-Pack 90567077 Trimmer Replacement Lever Assembly

   
   
   
   Reliable bulk repair
   View Latest Price
   • CompatibilityLST136, LST220, LST300
   • MaterialNot listed
   • Primary UseLever replacement
   • Quantity6 pack
   • Best forFrequent repairs
   • StandoutBulk value

   The 6-Pack 90567077 Trimmer Replacement Lever Assembly stands out because it provides multiple units, which is ideal if you manage a large property or have multiple trimmers.

   This set is intended for gardeners who prefer to have spare parts on hand to avoid downtime during the peak of the growing season.

   In terms of practical application, having six levers ensures you aren't scrambling for a replacement when a plastic component inevitably wears down during heavy trimming.

   The trade-off here is that you receive a high quantity, which might be overkill for a casual gardener with only one small yard.

2. AF-100 Replacement Spool for LSTE523

   
   
   
   Budget-friendly maintenance
   View Latest Price
   • CompatibilityLSTE523, LST300, LST136
   • MaterialNot listed
   • Primary UseLine feeding
   • QuantitySingle spool
   • Best forQuick fixes
   • StandoutLow cost

   The AF-100 Replacement Spool is a straightforward solution for anyone needing to get their trimmer back to cutting grass quickly without a large investment.

   This product is perfect for the home gardener who needs a reliable, no-frills replacement to finish a weekend project.

   I evaluated the fit for the black and decker lst136, and its design aims for seamless integration with existing spool housings.

   The main trade-off is that it is a single-unit purchase, meaning you will need to reorder sooner than you would with a multi-pack.

3. AF100 Replacement Spool Kit for LST136

   
   
   
   Premium spool performance
   View Latest Price
   • CompatibilityLST136
   • MaterialNot listed
   • Primary UseTrimming efficiency
   • QuantityKit format
   • Best forConsistent output
   • StandoutKit convenience

   The AF100 Replacement Spool Kit offers a more comprehensive approach to spool replacement, ensuring your trimmer maintains steady performance.

   It is designed for gardeners who want to ensure their equipment is fully optimized for edge work and lawn maintenance.

   By providing a kit format, it simplifies the process of replacing the entire spool assembly at once.

   The trade-off is the potentially higher cost compared to basic individual spools, though the kit convenience often justifies the price for regular users.

4. RC100P String Trimmer Cover for LST136

   
   
   
   Essential protective component
   View Latest Price
   • CompatibilityLST136
   • MaterialNot listed
   • Primary UseSpool protection
   • QuantitySingle cover
   • Best forDamage prevention
   • StandoutDurability focus

   The RC100P String Trimmer Cover is a vital part for protecting the internal spool mechanism from debris and impact during operation.

   This is an ideal choice for gardeners who frequently trim near fences or stone borders where the spool cover is prone to wear.

   I noted that this specific cover is designed to fit the black and decker lst136, providing a secure housing for your line.

   The trade-off is that it is a single-purpose part; if you need a full spool replacement, this cover does not include the line itself.

5. 4 Pack 90567077 String Trimmer Lever Assembly

   
   
   
   Brushless system compatibility
   View Latest Price
   • CompatibilityNST2118, LST220, LST136
   • MaterialNot listed
   • Primary UseLever replacement
   • Quantity4 pack
   • Best forMultiple models
   • StandoutVersatile fit

   This 4-pack of lever assemblies is highly versatile, fitting several different models, including the black and decker lst136.

   It is well-suited for households that own a variety of garden tools and want to keep a unified stock of spare parts.

   The design focuses on ease of installation, allowing for quick repairs without requiring specialized tools.

   The trade-off is that while it fits multiple models, you may find yourself with extra parts if you only own one specific trimmer.

6. 40 Volt MAX 2.0Ah Lithium Replacement Battery

   
   
   
   Power system upgrade
   View Latest Price
   • CompatibilityLST136, LBX2040, LBXR36
   • MaterialLithium-ion
   • Primary UsePower supply
   • QuantitySingle battery
   • Best forExtended runtime
   • Standout40V capacity

   The 40 Volt MAX 2.0Ah Lithium Replacement Battery is critical for keeping your black and decker lst136 powered through long gardening sessions.

   This is perfect for gardeners who have large lawns and need the extra runtime that a fresh 2.0Ah battery provides.

   Based on the specs, this battery is designed to be fully compatible with the 40V system, ensuring reliable power delivery.

   The trade-off is that lithium batteries are a more significant investment than small plastic parts, and they require proper storage to maintain health.

What to Look for in Best Black and Decker Lst136

Spool Compatibility and Feed

When selecting parts for your LST136, prioritizing the AF100 Replacement Spool Kit is critical for maintaining a consistent automated feed system. Unlike manual feed heads, this spool ensures that your trimmer line advances without interruption, which is vital when you are navigating tight corners near delicate irrigation lines or raised garden beds. A reliable spool prevents the line from snapping prematurely, saving you from constant stops that disrupt your landscaping workflow. Always verify that the spool housing is compatible with the LST136 design to avoid motor strain. Consistent line tension provided by these kits allows for cleaner cuts, ensuring you do not damage the wood or metal edges of your vegetable boxes while trimming encroaching weeds.

Lever Assembly Durability

The 6-Pack 90567077 Trimmer Replacement Lever Assembly is a non-negotiable upgrade for users who frequently adjust their trimmer head for vertical edging. Since the LST136 is often used in small-space growing environments, the ability to pivot the head quickly is essential for reaching under low-hanging foliage or around irrigation manifolds. These levers are prone to wear due to the high-vibration nature of the tool, so keeping a multi-pack on hand ensures your ergonomic adjustments remain fluid. A damaged lever can lead to an unstable trimmer head, which makes precise work near sensitive soil contact points dangerous. By replacing worn levers promptly, you maintain the structural integrity of your tool, allowing for safe and accurate trimming without risking accidental damage to your garden structures.

Cap Integrity and Protection

The RC100P String Trimmer Cover is your first line of defense against debris kicked up during heavy-duty cleanup. In a practical garden setting, you are often working near exposed mulch, decorative stones, or irrigation emitters that could be damaged by flying rocks or heavy grass clippings. A robust, well-fitted cap protects the internal spool mechanism from dirt ingress, which is a common cause of motor overheating in the LST136. Furthermore, a secure cover keeps the line from tangling, ensuring that your trimming efficiency remains high even when tackling dense, overgrown weeds at the end of the season. Investing in a high-quality replacement cap ensures that your trimmer head lasts through many cycles of seasonal maintenance without losing its protective seal.

Battery Management for Trimmers

The LST136 relies on a high-voltage battery system that dictates your total runtime, especially when working in larger plots or around extensive raised-bed layouts. Efficient battery management involves not only keeping spare power packs charged but also ensuring the trimmer head is not bogged down by excessive resistance. When trimming around irrigation systems, a steady, controlled speed is better than full-throttle bursts, as it preserves battery life and prevents the line from cutting too deeply into garden structures. Evaluate your total garden square footage before starting; if you have multiple zones, consider rotating batteries to maintain peak performance. A well-maintained battery ensures that you can complete a full circuit of your garden edges without needing to stop mid-task, which is essential for maintaining a consistent aesthetic.

Line Thickness and Material

Selecting the correct line diameter is a subtle but significant factor in how the LST136 interacts with your landscape. Using a line that is too thick can strain the motor, while one that is too thin will break constantly against the rugged edges of raised beds or wooden planter boxes. For most small-space growing applications, a medium-gauge line provides the perfect balance of cutting precision and durability. It is important to match the line material to the vegetation; soft garden weeds require less force than woody stalks near the edge of a lawn. By choosing the right line, you minimize the risk of scarring your garden beds or damaging the delicate irrigation drip lines that often run along the base of your plants.

Vibration and Ergonomic Control

Because the LST136 is a powerful tool, managing vibration is key to long-term comfort during extended gardening sessions. Frequent use around raised beds requires precise handling, and excessive vibration can lead to hand fatigue, reducing your accuracy. Ensure that all components, including the lever assembly and spool cover, are tightened and properly seated to minimize rattling. A well-balanced trimmer allows you to navigate complex garden layouts with minimal physical strain, enabling you to focus on the task of clearing weeds without harming your cultivated crops. When shopping for replacement parts, prioritize components that are engineered for a snug fit, as this directly translates to a smoother operation and more controlled movements in tight, high-density planting areas.

Seasonal Maintenance Schedules

Developing a routine maintenance schedule for your LST136 is the best way to extend its lifespan in a practical garden environment. At the start of the season, inspect the lever assembly and spool cover for cracks or excessive wear. Mid-season, focus on cleaning out the debris that accumulates around the trimmer head, as this buildup can trap moisture and lead to corrosion near your irrigation zones. By keeping your tool clean and replacing small parts like the 4 Pack 90567077 String Trimmer Lever Assembly before they fail, you prevent larger, more costly repairs. This proactive approach ensures that your trimmer is always ready for the next task, allowing you to maintain your small-space garden with confidence and efficiency throughout the entire growing year.

Frequently Asked Questions

How do I prevent the trimmer line from snapping near my raised beds?

To prevent line snapping, ensure your spool is properly wound and that you are not pushing the trimmer head directly into hard wooden or stone edges. Use the edge of the trimmer guard as a guide to maintain a safe distance from your raised beds. If the line continues to break, check that you are using the correct gauge recommended for the LST136; using a line that is too thin for the vegetation density will cause it to snap frequently against rigid garden structures.

Why is the spool on my LST136 not feeding automatically?

The automatic feed system often fails if the spool is wound incorrectly or if debris has clogged the internal mechanism. First, remove the RC100P cover and inspect the spool for tangled line or dirt buildup. Ensure the line is not welded together from heat, which often happens when the trimmer is pushed too hard against hard surfaces. Cleaning the assembly and re-seating the spool usually resolves the issue. If the lever assembly is damaged, the feed mechanism may also struggle to engage properly during operation.

Can I use the LST136 near my irrigation drip lines safely?

Yes, you can use the LST136 near irrigation lines, but extreme caution is required. Keep the trimmer head parallel to the ground and avoid vertical edging directly over the drip lines. It is best to maintain a buffer zone of a few inches. If you must trim close to the lines, consider using a manual hand-shear for the final inch of grass to prevent accidental nicks. A sharp, well-maintained line is less likely to whip around and damage irrigation components than a frayed or dull one.

How often should I replace the lever assembly on my LST136?

You should replace the lever assembly whenever you notice looseness, difficulty in pivoting the head, or visible cracks in the plastic housing. In high-use gardens where you frequently switch between trimming and edging modes, these levers experience significant mechanical stress. Keeping a 4-pack or 6-pack of the 90567077 assembly on hand allows you to perform an immediate swap. Replacing them before they snap completely prevents the trimmer head from becoming unstable, which is crucial for maintaining precision in tight, small-space growing areas.

Does the LST136 work well for small-space vertical gardening?

The LST136 is excellent for small-space gardening because its compact design allows for maneuverability in tight corners that larger gas-powered trimmers cannot reach. Its variable speed settings allow you to slow down when working near delicate plants or vertical container systems. By using the edging feature, you can keep the grass around your vertical supports neat without damaging the structures. Always ensure your spool is correctly installed to maintain the precision needed for such intricate, confined work environments.

What is the best way to clean the LST136 after a session?

After trimming, wipe down the exterior of the unit with a dry cloth to remove grass clippings and moisture. Remove the spool cover and brush away any debris trapped in the head area, as this buildup can lead to rust and motor strain. Never use a high-pressure hose to clean the tool, as water can enter the housing and damage the electrical components. Regularly clearing the air vents ensures the motor receives proper cooling, which is vital for long-term reliability in your garden.

Is the RC100P cover compatible with all LST136 models?

The RC100P cover is specifically designed for the Black+Decker LST136 and related models in that series. It is essential to verify your specific trimmer model number before purchasing replacement parts to ensure a perfect fit. A secure, properly fitting cover is vital for keeping the spool clean and protected from debris. If the cover is loose or damaged, it can cause the line to feed unevenly, leading to frustration and potential damage to your garden beds during operation.

How can I maximize battery life during long garden maintenance?

To maximize battery life, avoid running the trimmer at maximum power unless absolutely necessary. For light trimming around raised beds, use the lower speed setting, which is usually sufficient for grass and soft weeds. Additionally, keep your battery in a cool, dry place when not in use, and avoid letting it reach a zero-percent charge. Rotating between two batteries allows you to complete larger tasks without waiting for a recharge, ensuring you maintain a consistent workflow throughout your entire garden maintenance session.

What should I do if the trimmer head vibrates excessively?

Excessive vibration is usually a sign that the trimmer head is unbalanced, the spool is incorrectly seated, or the lever assembly is worn out. First, turn off the tool and check that the spool is properly snapped into place and the line is evenly distributed. Inspect the lever assembly for any play or damage. If the vibration persists, check the trimmer head for any debris that might be causing an imbalance. Tightening all components and replacing worn parts will restore smooth operation.

Are there specific tips for edging around soil contact points?

When edging near soil contact points, such as where your lawn meets a raised bed, use a slow, steady motion. Avoid digging the trimmer head into the soil, as this will quickly wear down the line and potentially throw dirt into your garden beds. Keep the head tilted at a slight angle to ensure the line hits the grass blades cleanly. By maintaining a steady, controlled pace, you achieve a professional-looking edge without disrupting the soil or damaging the structural integrity of your garden borders.