What was recalled
The U.S. Consumer Product Safety Commission (CPSC) has issued a recall affecting specific models of the Bauer 20V Cordless 4-Gallon Backpack Sprayer. This product is marketed and sold under the Harbor Freight Tools brand. The recall is not a blanket suspension of all Bauer products or all backpack sprayers; it targets a very specific configuration that combines a chemical sprayer unit with a particular battery power source. Specifically, this action involves the sprayer designed to be worn on the back, allowing users to continuously spray liquids while moving. It is powered by a 20V rechargeable lithium-ion battery, which is important to note because these batteries are sold separately from the sprayer unit itself.
To identify if your specific unit is part of this recall, you must look closely at the physical dimensions and labeling of the device. The recalled sprayers measure approximately 21 inches in height, 13 inches in depth, and 15 inches in width. Visually, these units are distinctively colored in a combination of red, white, and black. You will find the "Bauer" brand name printed on the back of the product. However, the most critical identifiers are located inside the battery compartment. On a label affixed to the bottom interior of this compartment, you will find both the item number and the Universal Product Code (UPC). For this recall, the specific combination that triggers inclusion is Item number 58671 paired with UPC 193175443663. If your sprayer matches these exact specifications, it is part of the recalled batch.
Harbor Freight Tools has been actively distributing these units to consumers over time. While the official recall announcement was made on October 31, 2024, the company has already taken proactive steps by contacting all known purchasers directly to inform them of the issue. This means that if you recently purchased this item, you may have already received notification from the retailer. However, relying solely on direct contact is not sufficient for safety; you must verify your product against the specific item numbers and UPCs listed above to ensure you are aware of the potential risk.
The scope of this recall is significant, as it involves a substantial number of units that have already entered homes and worksites across the United States. Because the battery is sold separately, it is possible that some users may have paired other batteries with this sprayer, but the recall specifically addresses the interaction between the pump mechanism and the 20V lithium-ion battery system as originally intended by the manufacturer. Understanding exactly what was recalled helps prevent unnecessary panic while ensuring that those who own the specific hazardous models take immediate action to protect their homes and families.
The hazard, explained
At the heart of this recall is a specific mechanical failure that turns a standard gardening tool into a genuine fire risk. The Bauer 4-Gallon Backpack Sprayer is designed to hold and spray various chemical solutions, such as herbicides, pesticides, or fertilizers. These liquids are often corrosive or conductive in nature. The problem arises because the pump mechanism, which pressurizes these chemicals, can develop leaks. When this leak occurs, the liquid does not stay contained within the spraying chamber; instead, it seeps downward into the battery compartment located within the backpack frame.
Once the chemical enters the battery compartment, it comes into direct contact with the 20V rechargeable lithium-ion battery that powers the unit. Lithium-ion batteries are sophisticated power sources that rely on precise internal chemistry to function safely. When foreign substances like leaked chemicals infiltrate this environment, they can cause short circuits or interfere with the battery’s thermal management systems. This interference leads to rapid overheating. The recall notice confirms that this is not a theoretical risk; there have been eight reported incidents where the battery has actually smoked, melted, or caught fire due to this exact sequence of events.
To understand why this is so dangerous, it helps to look at how lithium-ion batteries behave when they fail. Under normal conditions, these batteries manage their own heat through internal separators and casing. However, when external contaminants bridge electrical contacts or degrade the battery’s integrity, the temperature can spike uncontrollably in a phenomenon known as thermal runaway. In this state, the battery generates more heat than it can dissipate, leading to melting of plastic components, venting of toxic fumes, and potentially ignition. Because the sprayer is worn on your back, you are in close proximity to the heat source and any potential flame, increasing the risk of burns or inhalation of harmful smoke.
This hazard is particularly insidious because it may not be immediately obvious. You might notice a slight dampness or smell near the battery area before a failure occurs, but by then, the chemical damage to the battery contacts may already be done. The combination of a powerful heat source (the battery), fuel (the plastic casing and surrounding materials), and an ignition trigger (the electrical short from the leak) creates a perfect storm for fire. This is why stopping use immediately is critical, as the risk escalates with every charge cycle after the initial leak occurs.
Who is most at risk
The primary group facing potential danger from this recall consists of homeowners, gardeners, and landscaping professionals who own the specific Bauer 20V Cordless 4-Gallon Backpack Sprayer (Item number 58671). These are individuals who use the device to apply herbicides, pesticides, fertilizers, or other chemical solutions across yards, gardens, and agricultural plots. Because the unit is designed to be worn like a backpack, it places the power source—the rechargeable lithium-ion battery—directly against the user’s back and upper spine during operation. This physical proximity is the critical factor that elevates the risk level for this specific product compared to stationary or handheld alternatives.
The hazard itself creates a dual-threat scenario that affects users in distinct ways. First, there is the immediate thermal risk. The recalled sprayers have been linked to eight incidents where the battery overheated, leading to smoking, melting, and fire. For the person wearing the unit, a battery failure is not merely a property damage issue; it is a direct personal safety threat. Lithium-ion batteries that fail can reach extremely high temperatures rapidly. If the casing melts or ignites while strapped to your body, you have very little time to react before suffering severe burns. The risk is particularly acute because the leak that triggers this failure occurs within the pump mechanism, which sits directly above the battery compartment. As the chemicals seep down into the electronics, they cause short circuits that generate intense heat in a confined space against human skin.
While the CPSC has not reported any injuries to date, the potential for serious harm remains high for all users, regardless of age or physical condition. However, certain vulnerabilities can exacerbate the consequences. Individuals who rely on the sprayer for livelihood, such as professional landscapers or farmers, may be at greater risk due to prolonged and frequent use, which increases the statistical likelihood of encountering a defective unit. Furthermore, older adults or those with reduced mobility might struggle to remove the backpack quickly if the device begins to smoke or emit unusual odors during a spraying session. The weight of the 4-gallon tank, combined with the sudden panic of a mechanical failure, could hinder rapid evacuation from a dangerous situation.
There is also a secondary risk to others in the vicinity. A fire originating from a backpack sprayer often starts unexpectedly and can spread to nearby combustible materials, such as dry grass, shrubs, or wooden structures. If you are spraying near your home or garage, a battery fire could escalate into a larger property disaster. Additionally, if the sprayer was used to apply volatile chemicals, the heat from an overheating battery could potentially vaporize those residues, creating toxic fumes that pose inhalation risks to the user and anyone nearby. Therefore, while the device is marketed as a convenient tool for personal use, it demands respect and immediate cessation of use if any signs of malfunction appear.
How to tell if you have the recalled item
If you own a Bauer backpack sprayer purchased from Harbor Freight Tools, it is important to verify whether your specific unit is part of this recall before taking any action. The recall specifically targets the Bauer 20V Cordless 4-Gallon Backpack Sprayer. Because these tools are often used for gardening, lawn care, or agricultural tasks, they might have been sitting in a garage shed or stored away after a recent project. To determine if your device is affected, you need to look for several distinct physical markers and, most critically, check the identification labels.
First, observe the overall appearance of the sprayer. The recalled units are characterized by a color scheme of red, white, and black. They measure approximately 21 inches tall, 13 inches deep, and 15 inches wide. The word "Bauer" should be printed clearly on the back of the product. While these visual cues can help narrow down your search, they are not definitive proof on their own, as manufacturers may produce similar-looking models. Therefore, you must locate the specific identification labels to confirm if your unit is included.
The most reliable way to identify the recalled item is by checking the label located inside the bottom of the battery compartment. This label contains both the item number and the Universal Product Code (UPC). You will need to remove the rechargeable lithium-ion battery from the unit to access this label, as it is hidden beneath where the battery sits. Please note that the battery itself is sold separately, so the presence or absence of a battery does not determine whether the sprayer is recalled; only the sprayer’s identification matters.
Look closely at the label for the following specific combination:
- Item Number: 58671
- UPC: 193175443663
If your sprayer matches both of these numbers, it is part of this recall and poses a fire hazard. If the item number or UPC does not match, or if you cannot find a label with these details, your product is likely not affected. However, if you are unsure or cannot locate the label, it is always safer to contact Harbor Freight Tools directly using the information provided below to verify your specific unit’s status.
What to do — step by step
If you own a Bauer 20V Cordless 4-Gallon Backpack Sprayer, your immediate priority is to ensure that the device does not become a source of fire in your home or garage. The recalled sprayers pose a specific risk where chemicals can leak into the battery compartment, potentially causing the lithium-ion battery to overheat. Because this hazard involves both flammable materials and electrical components, you must act promptly but calmly. Do not attempt to fix the internal mechanism yourself, as this could trigger the very overheating you are trying to prevent. Instead, follow these concrete steps to secure your safety and process your refund.
- Stop using the sprayer immediately. Put the device down and do not charge it or attempt to spray anything with it. The risk of fire exists as long as the chemical residue remains in contact with the battery compartment. Treat the unit as a potential hazard until you have completed the removal process below.
- Cut off the hose and wand. Using a pair of scissors, carefully cut the sprayer hose and wand away from the main backpack unit. This is a critical safety step because the hose and wand are the primary pathways for chemicals to leak into the battery area. By removing them, you sever the connection that allows hazardous liquids to reach the power source. Dispose of these cut-off parts safely, keeping them away from children and pets.
- Flush the sprayer with water. After cutting off the hose, flush the remaining tank and internal lines with clean water. This helps to dilute and remove any residual chemicals that might still be inside the main body of the sprayer. While you are removing the hazardous components, clearing out the rest of the system reduces the overall chemical load, though the primary focus remains on isolating the battery compartment.
- Return the hose and wand for a full refund. You are entitled to a full refund in the form of a Harbor Freight Tools gift card. Take the cut-off sprayer hose and wand to your nearest Harbor Freight Tools store. Hand them over at the customer service desk, and they will process your return and issue the gift card. This is the standard remedy provided by the company for this specific recall.
- Request a prepaid shipping label if you cannot visit a store. If you live too far from a Harbor Freight Tools location to make an in-person return, do not worry. You can contact Harbor Freight Tools directly to request a prepaid return shipping label. Call their toll-free number at 800-444-3353 between 8 a.m. and 4:30 p.m. PT, Monday through Friday, or send an email to recall@harborfreight.com. Alternatively, visit www.harborfreight.com/recalls or click on "Recall Safety Information" at the bottom of the homepage. The company is also contacting all known purchasers directly, so keep an eye out for their communication.
By following these steps, you effectively neutralize the fire hazard by removing the components that allow chemical leakage and ensure you receive compensation for your purchase. Remember, no injuries have been reported with this model, but the reports of smoking, melting, and fire are serious enough to warrant immediate action. Stay safe by taking care of this issue today.
Your refund, repair, or replacement options
If you own one of the recalled Bauer 4-Gallon Battery-Powered Backpack Sprayers, it is important to understand that this specific model does not offer a repair option. Because the defect involves the pump mechanism leaking chemicals directly into the battery compartment—creating an ongoing fire risk even after partial fixes—the manufacturer has determined that returning the hazardous components for a full refund is the only safe and complete remedy. You will not receive a replacement unit, nor will you get a standard cash refund to your original payment method. Instead, Harbor Freight Tools has structured the resolution around providing a store credit in the form of a gift card. This approach ensures that you are fully compensated for your purchase while removing the dangerous product from your home immediately.
The process begins with identifying the parts that must be returned. You are not required to return the entire backpack unit, the tank, or the battery itself (if purchased separately). The specific items subject to the recall and required for your refund are the sprayer hose and the wand. To make this easier and safer for you, Harbor Freight Tools has provided clear instructions on how to detach these parts at home. You should use a pair of scissors to cut the hose and wand off the main body of the product. Once detached, you can flush the remaining tank with water to neutralize any leftover chemicals before disposal or storage. This step is crucial not just for the return process, but for your personal safety while handling the device.
Regarding the logistics of getting your refund, Harbor Freight Tools has designed two convenient paths depending on your location and preference. The primary and most straightforward method is to take the cut-off hose and wand to any nearest Harbor Freight Tools physical store. When you visit, you will receive a full refund in the form of a Harbor Freight Tools gift card. This option is often preferred because it provides immediate confirmation that the transaction is complete and allows you to pick up your credit right away. If you do not live near a Harbor Freight location or find it difficult to travel, the company has accommodated remote customers as well.
If returning to a store is not feasible for you, you can request a prepaid return shipping label directly from Harbor Freight Tools. To do this, you must contact their customer service team via their toll-free number at 800-444-3353 or by emailing recall@harborfreight.com. When you reach out, specify that you need a mail-in option for the hose and wand. The company will send you the necessary labels so you can ship the hazardous parts back without any cost to yourself. Please note that Harbor Freight Tools is also actively contacting all known purchasers directly to inform them of this remedy, so keep an eye on your email or phone for their outreach. For additional details or if you have questions about the gift card value, you can visit www.harborfreight.com/recalls or navigate to "Recall Safety Information" at the bottom of their homepage. Their support team is available Monday through Friday from 8 a.m. to 4:30 p.m. Pacific Time to guide you through this process with care and efficiency.
What can happen if you ignore it
It is completely understandable why you might hesitate to stop using your Bauer backpack sprayer. Perhaps you are in the middle of a large landscaping project, or maybe you have already invested time and effort into treating your lawn with specific chemical solutions. The thought of pausing your work to deal with a recall can feel like an inconvenience, especially when the product seems to be functioning normally on the surface. However, ignoring this warning is not just about missing out on a refund; it is about accepting a significant and unnecessary risk to your safety and the safety of your home environment. The hazard here is not theoretical—it has already manifested in real-world scenarios, which makes the potential consequences very tangible. The core issue lies in the design flaw that allows chemicals from the sprayer pump to leak into the battery compartment. When these corrosive substances come into contact with the 20V rechargeable lithium-ion battery, they can cause the battery to overheat. Lithium-ion batteries are sensitive components that rely on stable internal conditions to operate safely. When they are subjected to chemical contamination and subsequent thermal stress, their stability is compromised. Harbor Freight Tools has already received eight reports of this exact chain of events occurring. These are not minor glitches; they include instances where the battery began to smoke, melted due to excessive heat, and in some cases, caught fire. Smoke indicates that internal components are breaking down, often releasing toxic fumes before a flame even appears. Melting suggests that plastic housings and insulation have failed, exposing live electrical parts. If you continue to use the recalled sprayer, you are essentially gambling with these known failure points. The most immediate danger is fire. A battery fire in a backpack sprayer is particularly dangerous because it occurs close to your body while you are wearing the device. Unlike a stationary appliance that might burn on a kitchen counter, this hazard moves with you. It can ignite nearby clothing, dry vegetation, or other flammable materials in your yard. Furthermore, lithium-ion fires can be intense and difficult to extinguish quickly, potentially leading to burns or property damage before you can react. Beyond the immediate risk of fire, there is the danger of exposure to harmful chemicals. If the battery compartment is compromised by leaking fluids, those corrosive substances may escape further than intended, exposing your skin or lungs to hazardous materials that were never meant to be handled in that manner. While no injuries have been reported so far, the absence of injury does not mean the risk is low; it simply means you have not yet encountered the specific conditions that trigger a failure. Given that eight units have already experienced overheating, smoking, melting, or fire, the probability of similar outcomes for other users remains high. Ignoring this recall means choosing to ignore clear evidence of instability in favor of short-term convenience, risking significant harm to avoid a simple return process.Staying safe: broader tips
When dealing with battery-powered tools and chemical application equipment, your safety routine should extend well beyond a single recall notice. While the specific incident involving the Bauer sprayer highlights the dangers of liquid intrusion into electrical components, the underlying principle applies to virtually all cordless power tools: moisture and electricity are natural enemies. To prevent similar overheating or short-circuiting events in your own toolkit, always store your rechargeable lithium-ion batteries in a cool, dry place when not in use. Extreme temperatures can degrade battery health over time, making them more prone to thermal runaway—a condition where the internal temperature rises uncontrollably. Never charge a battery that feels warm to the touch, and avoid leaving it plugged in unattended for extended periods, especially overnight.
Regular maintenance is another critical layer of defense against equipment failure. For any tool that handles liquids or chemicals, inspect seals, gaskets, and hoses before every use. Over time, rubber components can crack or degrade, allowing corrosive substances to seep into areas not designed to hold them. If you notice any discoloration, swelling, or brittleness in your equipment’s exterior casing or internal wiring insulation, take it out of service immediately. Do not attempt to repair complex electrical faults yourself unless you are a qualified professional; improper repairs can void safety certifications and create new hazards.
It is also wise to establish a habit of checking for product recalls regularly, rather than waiting for a problem to arise. You can sign up for email alerts from the Consumer Product Safety Commission (CPSC) or visit their website periodically to see if any items in your home have been flagged. Additionally, register your high-value tools and appliances with the manufacturers after purchase. This ensures that if a safety issue is identified early in the production cycle, you will be contacted directly with instructions on how to fix it before an accident occurs.
- Read the manual: Manufacturers provide specific guidelines on battery care and chemical compatibility that are essential for safe operation.
- Use original chargers: Third-party chargers may not have the same voltage regulation, increasing the risk of overheating your batteries.
- Keep vents clear: Ensure that airflow openings on your tools and batteries are never blocked by debris, dust, or fabric, which can trap heat.
By treating your equipment with respect and maintaining a proactive approach to safety, you significantly reduce the risk of fire or injury. Remember that most accidents happen when we become complacent with familiar tasks. Taking a moment to inspect your gear and staying informed about product safety updates is one of the most effective ways to protect your home and family.