10 Best Cordless Caulking Guns for Sealing Tasks in 2026

Compare the best cordless caulking guns for professional sealing. Find models with battery options, precision controls, and features for efficient caulking work.

You’ll find today’s cordless caulking guns deliver professional-grade precision without cords or manual hassle.

Top models like DeWalt 20V MAX and SEESII 29oz offer variable speed control, auto-retract anti-drip systems, and LED work lights for visibility in tight spaces.

Battery capacities range from standard 10oz to larger 29oz cartridges, with dual-battery systems enabling uninterrupted work.

Key features include adjustable thrust for thick epoxies, quick-connect nozzle adapters, and ergonomic designs reducing hand strain.

Choosing between bare tools and complete kits depends on your existing battery ecosystem and project scope, making the right selection essential for efficiency.

Best Cordless Caulking Gun Picks

Cordless Caulking Gun Compatible with DeWalt 20VCordless Caulking Gun Compatible with DeWalt 20VBest DeWalt CompatibleCartridge Capacity: 10 oz / 300 mlSpeed Settings: 6-speed adjustableBattery Configuration: Battery not included (DeWalt 20V compatible)VIEW LATEST PRICERead Our Analysis
THIS HILL 20V Electric Caulking Gun with BatteriesTHIS HILL 20V Electric Caulking Gun with BatteriesBest For BeginnersCartridge Capacity: 10 oz / 300 mlSpeed Settings: 4 adjustable speedsBattery Configuration: Dual 2000mAh batteries includedVIEW LATEST PRICERead Our Analysis
SEESII Electric Caulking Gun 29oz CordlessSEESII Electric Caulking Gun 29oz CordlessBest For Large ProjectsCartridge Capacity: 29 ozSpeed Settings: Stepless speed controlBattery Configuration: 2 × 2000mAh batteries includedVIEW LATEST PRICERead Our Analysis
DEWALT 20V MAX Cordless Caulking Gun (DCE560B)DEWALT 20V MAX Cordless Caulking Gun (DCE560B)Professional GradeCartridge Capacity: 10 ozSpeed Settings: Variable speed trigger with dialBattery Configuration: Battery not included (DeWalt 20V compatible)VIEW LATEST PRICERead Our Analysis
Electric Cordless Caulking Gun with Battery & ToolsElectric Cordless Caulking Gun with Battery & ToolsBest ValueCartridge Capacity: 10 oz / 300 mlSpeed Settings: 4 adjustable speedsBattery Configuration: 2 × 2000mAh batteries includedVIEW LATEST PRICERead Our Analysis
Cordless Caulking Gun Compatible with DeWalt 20V MaxCordless Caulking Gun Compatible with DeWalt 20V MaxMost FeaturesCartridge Capacity: 10 oz / 300 mlSpeed Settings: 6 adjustable speed gearsBattery Configuration: Battery not included (DeWalt 20V compatible)VIEW LATEST PRICERead Our Analysis
Cordless Caulking Gun for Dewalt 20V BatteryCordless Caulking Gun for Dewalt 20V BatteryBest OverallCartridge Capacity: 10 oz / 300 mlSpeed Settings: 6-speed precision controlBattery Configuration: Battery not included (DeWalt 20V compatible)VIEW LATEST PRICERead Our Analysis
Electric Cordless Caulking Gun with Battery and ChargerElectric Cordless Caulking Gun with Battery and ChargerBest For Specialty ApplicationsCartridge Capacity: 400 ml double-tubeSpeed Settings: 5-speed regulationBattery Configuration: 2 × 12V/2.0Ah batteries includedVIEW LATEST PRICERead Our Analysis
SEESII Electric Cordless Caulking Gun with BatterySEESII Electric Cordless Caulking Gun with BatteryBest High-Capacity OptionCartridge Capacity: 29 ozSpeed Settings: Stepless speed controlBattery Configuration: 1 × 2000mAh battery includedVIEW LATEST PRICERead Our Analysis
Electric Cordless Caulking Gun with Batteries & ToolsElectric Cordless Caulking Gun with Batteries & ToolsBest For Extended UseCartridge Capacity: 10 oz / 300 mlSpeed Settings: 4 adjustable speedsBattery Configuration: 2 × 2000mAh batteries includedVIEW LATEST PRICERead Our Analysis

More Details on Our Top Picks

  1. Cordless Caulking Gun Compatible with DeWalt 20V

    Cordless Caulking Gun Compatible with DeWalt 20V

    Best DeWalt Compatible

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    If you’re already invested in DeWalt’s 20V battery ecosystem, this cordless caulking gun eliminates the need for another power system. You’ll appreciate its 6-speed adjustable flow, ranging from 0–220 mm/min, which handles silicone, sealant, and epoxy applications seamlessly. The LED display tracks real-time voltage and runtime, helping you monitor usage efficiently. Its anti-drip system prevents messy leakage when you release the trigger. The built-in work light illuminates dark corners and tight spaces effectively. You get three nozzle adapters and five knife heads included. The ergonomic design reduces hand strain during extended use, though you’ll need to purchase a compatible battery separately.

    • Cartridge Capacity:10 oz / 300 ml
    • Speed Settings:6-speed adjustable
    • Battery Configuration:Battery not included (DeWalt 20V compatible)
    • Anti-Drip System:Auto-retract prevents leakage
    • Built-in Lighting:LED work light
    • Included Accessories:3 nozzle adapters, 5 knife heads
    • Additional Feature:Real-time voltage/runtime display
    • Additional Feature:DeWalt 20V MAX battery compatible
    • Additional Feature:6-speed adjustable flow control
  2. THIS HILL 20V Electric Caulking Gun with Batteries

    THIS HILL 20V Electric Caulking Gun with Batteries

    Best For Beginners

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    The This Hill 20V Electric Caulking Gun delivers cordless convenience that benefits both DIY enthusiasts and professionals tackling projects where manual caulking proves tedious or physically demanding. You’ll appreciate the dual 2000mAh batteries enabling continuous work with 90-minute fast charging. The gun features four adjustable speeds and 300 kg thrust, letting you control flow rates from 0–220 mm/min for precise application. An automatic trigger retracts to prevent drips, while the built-in LED light illuminates tight spaces like sink corners and furniture cracks. You’ll find it compatible with standard 10 oz cartridges and includes a nine-piece silicone tool set, making window and bathroom installations especially efficient.

    • Cartridge Capacity:10 oz / 300 ml
    • Speed Settings:4 adjustable speeds
    • Battery Configuration:Dual 2000mAh batteries included
    • Anti-Drip System:Trigger auto-retracts adhesive
    • Built-in Lighting:LED light at nozzle
    • Included Accessories:9-piece silicone caulking tool set
    • Additional Feature:Dual 2000mAh batteries included
    • Additional Feature:Automatic trigger retract mechanism
    • Additional Feature:300 kg thrust force
  3. SEESII Electric Caulking Gun 29oz Cordless

    SEESII Electric Caulking Gun 29oz Cordless

    Best For Large Projects

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    For homeowners and professionals tackling large-scale renovation projects, the SEESII 29oz Cordless Caulking Gun delivers the capacity and runtime you’ll need to minimize interruptions. Its 29-ounce cartridge reduces frequent reloads compared to smaller manual alternatives, making it practical for bathrooms, kitchens, and construction work. The 6500N thrust force handles various adhesives and caulks effectively. You’ll appreciate the stepless speed control, which lets you adjust flow rates precisely for different applications. With two 2000mAh batteries and up to eight hours of continuous use per charge, you’ve got reliable power throughout extended projects. The auto-retract feature prevents dripping, keeping your workspace cleaner while the built-in LED light improves visibility in dimly lit areas.

    • Cartridge Capacity:29 oz
    • Speed Settings:Stepless speed control
    • Battery Configuration:2 × 2000mAh batteries included
    • Anti-Drip System:Auto-retract feature
    • Built-in Lighting:Built-in LED light
    • Included Accessories:Complete kit with charger and manual
    • Additional Feature:29oz high-capacity cartridge
    • Additional Feature:360° rotating cartridge holder
    • Additional Feature:Three-year warranty included
  4. DEWALT 20V MAX Cordless Caulking Gun (DCE560B)

    DEWALT 20V MAX Cordless Caulking Gun (DCE560B)

    Professional Grade

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    DeWALT 20V MAX Cordless Caulking Gun (DCE560B) works best for professionals and DIY enthusiasts who need reliable adhesive application without being tethered to power cords. You’ll appreciate the variable speed trigger, which lets you control adhesive flow precisely for different project requirements. The speed dial sets maximum and minimum flow rates, ensuring consistent results. Its anti-drip feature automatically retracts the plunging rod when you release the trigger, minimizing messy cleanup. Quick-connect interchangeable canister trays enable fast changes between sizes, saving you time on jobs. An LED light improves visibility in darker spaces, while the hang hook provides convenient storage between uses. Note that you’ll purchase the battery and charger separately with this bare tool.

    • Cartridge Capacity:10 oz
    • Speed Settings:Variable speed trigger with dial
    • Battery Configuration:Battery not included (DeWalt 20V compatible)
    • Anti-Drip System:Automatic plunging rod retraction
    • Built-in Lighting:LED light
    • Included Accessories:Hang hook for storage
    • Additional Feature:Quick-connect interchangeable canister trays
    • Additional Feature:Variable speed trigger control
    • Additional Feature:Made in USA
  5. Electric Cordless Caulking Gun with Battery & Tools

    Uaoaii’s GN100 Electric Caulking Gun suits DIYers and professionals who want to eliminate hand fatigue during extended caulking projects. This cordless model features four adjustable speed settings with maximum flow reaching 220 mm/min, letting you control application precision. The anti-drip system automatically retracts the plunger when you release the trigger, preventing messy overflow. You’ll appreciate the built-in LED work light for visibility in dim spaces. The package includes two 2000 mAh lithium-ion batteries, a charger, and accessories like silicone tools and nozzles, giving you everything needed to start immediately on standard 10oz cartridges.

    • Cartridge Capacity:10 oz / 300 ml
    • Speed Settings:4 adjustable speeds
    • Battery Configuration:2 × 2000mAh batteries included
    • Anti-Drip System:Automatic plunger retraction
    • Built-in Lighting:Built-in LED work light
    • Included Accessories:3-in-1 tool, 5 silicone pads, 3 nozzles
    • Additional Feature:Four adjustable speed settings
    • Additional Feature:21V lithium-ion power
    • Additional Feature:5 replaceable silicone pads
  6. Cordless Caulking Gun Compatible with DeWalt 20V Max

    Cordless Caulking Gun Compatible with DeWalt 20V Max

    Most Features

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    This cordless caulking gun works seamlessly with DeWalt 20V MAX batteries, making it ideal if you already own DeWalt power tools. You’ll appreciate its 600 kg push force, which eliminates manual squeezing and reduces hand strain markedly. The gun features six adjustable speed gears with a flow range up to 220 mm/min, giving you precise control. Its auto-retract mechanism prevents messy caulk seepage after you release the trigger. You’ll also benefit from the built-in LED display showing voltage and usage time, plus a work light for visibility. The package includes three nozzle adapters, five knife heads, and a trowel for thorough sealing projects.

    • Cartridge Capacity:10 oz / 300 ml
    • Speed Settings:6 adjustable speed gears
    • Battery Configuration:Battery not included (DeWalt 20V compatible)
    • Anti-Drip System:Auto-retract / anti-drip mechanism
    • Built-in Lighting:Built-in LED work light
    • Included Accessories:3 nozzle adapters, 5 knife heads, trowel/scraper
    • Additional Feature:600 KG push force
    • Additional Feature:LED display shows voltage
    • Additional Feature:6 adjustable speed gears
  7. Cordless Caulking Gun for Dewalt 20V Battery

    Cordless Caulking Gun for Dewalt 20V Battery

    Best Overall

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    For DIYers and professionals tackling everything from window seals to tile grouting, a Cordless Caulking Gun equipped with a brushless motor and precision speed control transforms tedious caulking work into a faster, more consistent process. This DeWalt 20V-compatible model delivers 6 adjustable speeds (0–220 mm/min), allowing you to switch between delicate silicone applications and thicker epoxy materials effortlessly. The 450 LM LED light illuminates hard-to-reach corners, while the integrated display shows real-time voltage and runtime data. Its anti-leak system prevents frustrating drips around windows, doors, and bathtubs. You’ll appreciate reduced hand fatigue compared to manual guns, though you’ll need to purchase a DeWalt battery separately since none’s included.

    • Cartridge Capacity:10 oz / 300 ml
    • Speed Settings:6-speed precision control
    • Battery Configuration:Battery not included (DeWalt 20V compatible)
    • Anti-Drip System:Anti-leak system with enhanced seal
    • Built-in Lighting:450 LM LED light
    • Included Accessories:3 silicone scrapers, 5 knife heads, trowel/scraper
    • Additional Feature:Brushless motor technology
    • Additional Feature:450 LM LED brightness
    • Additional Feature:Compatible with 60V Flex
  8. Electric Cordless Caulking Gun with Battery and Charger

    Electric Cordless Caulking Gun with Battery and Charger

    Best For Specialty Applications

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    Professionals and DIY enthusiasts tackling medium-to-heavy caulking projects will appreciate the Hiedmeil’s cordless design paired with dual 12V batteries and included charger. Its five-speed regulation lets you control glue flow precisely, while the dual-rod mechanism guarantees even discharge. The all-copper motor handles both hard and soft adhesives reliably. You’ll benefit from the automatic glue removal function that reduces waste markedly. The ergonomic ABS handle keeps fatigue minimal during extended use. With an 8000 N maximum thrust and feed rate up to 4.0 mm/s, this gun tackles various sealing tasks efficiently, from balcony doors to air-conditioning holes.

    • Cartridge Capacity:400 ml double-tube
    • Speed Settings:5-speed regulation
    • Battery Configuration:2 × 12V/2.0Ah batteries included
    • Anti-Drip System:Automatic glue removal function
    • Built-in Lighting:No built-in light
    • Included Accessories:2 batteries, charger, manual
    • Additional Feature:12V dual-cartridge adhesive gun
    • Additional Feature:8000 N maximum thrust
    • Additional Feature:All-copper motor construction
  9. SEESII Electric Cordless Caulking Gun with Battery

    SEESII Electric Cordless Caulking Gun with Battery

    Best High-Capacity Option

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    You’ll find the SEESII Cordless Caulking Gun particularly valuable when tackling extended projects that demand consistent, hands-free precision. Its 29-ounce cartridge capacity markedly reduces reloading interruptions compared to manual 10-ounce alternatives. The 2000 mAh lithium-ion battery delivers up to two hours of continuous operation, while stepless speed control lets you adjust flow rates seamlessly. Auto-retract technology and anti-drip features minimize material waste and mess. A 360-degree rotating holder enhances accuracy, and the built-in LED illuminates tight spaces. The 6500 N thrust handles most adhesives effectively, making this suitable for renovations, flooring installation, and construction work.

    • Cartridge Capacity:29 oz
    • Speed Settings:Stepless speed control
    • Battery Configuration:1 × 2000mAh battery included
    • Anti-Drip System:Auto-retract plunger prevents excess
    • Built-in Lighting:Built-in LED light
    • Included Accessories:Complete kit with charger and manual
    • Additional Feature:Stepless speed control
    • Additional Feature:29 oz capacity cartridge
    • Additional Feature:24×7 customer support
  10. Electric Cordless Caulking Gun with Batteries & Tools

    Electric Cordless Caulking Gun with Batteries & Tools

    Best For Extended Use

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    Motorized caulking guns eliminate the hand and wrist strain that manual models demand, making them ideal if you’re tackling large projects or managing arthritis and grip weakness. This cordless model includes two rechargeable batteries, so you’ll swap them during extended work sessions without stopping. Four adjustable speed settings let you control bead precision for tight corners or speed through long seams efficiently. The anti-drip system automatically retracts the plunger when you release the trigger, preventing messy leaks on countertops and tiles. An integrated LED work light illuminates cramped spaces like under sinks. You’ll get compatible nozzles, silicone tools, and replacement pads included.

    • Cartridge Capacity:10 oz / 300 ml
    • Speed Settings:4 adjustable speeds
    • Battery Configuration:2 × 2000mAh batteries included
    • Anti-Drip System:Anti-drip system with auto-retract
    • Built-in Lighting:Built-in LED work light
    • Included Accessories:3-in-1 tool, 4 silicone pads, 3 nozzles, charger
    • Additional Feature:Two 2000mAh swappable batteries
    • Additional Feature:220 mm/min maximum feed
    • Additional Feature:3-in-1 silicone tool included

Factors to Consider When Choosing Cordless Caulking Guns for Sealing Tasks

evaluate cordless caulking features

When you’re selecting a Cordless Caulking Gun, you’ll want to evaluate several critical features that directly impact your sealing work’s quality and efficiency. Battery runtime, flow control options, cartridge compatibility, anti-drip mechanisms, and LED lighting all play important roles in determining whether a gun suits your specific projects and preferences. Understanding how each factor affects performance helps you make an informed choice that balances your budget with the functionality you actually need.

Battery Power & Runtime

Battery power and runtime

Battery power and runtime can make or break your caulking project, so it’s worth understanding how they work together. Higher voltage batteries—around 20–21V—deliver stronger motor torque and faster feed rates, which speeds up long bead work. Battery capacity, measured in mAh, directly determines how long you can work continuously between charges. A 2000 mAh battery, for example, provides noticeably longer runtime than smaller alternatives.

Consider getting two batteries or a swap-and-go system for multi-hour sealing tasks. While one battery charges, you’ll keep working without interruption. Fast-charging technology minimizes downtime and protects battery cells by slowing charging after 80–90% capacity.

Don’t rely solely on battery specs when estimating runtime. Check manufacturer-stated runtime under load instead, since motor speed settings considerably impact real-world battery life.

Flow Control & Speed Settings

Flow control & speed settings

Adjusting your caulking gun’s speed and flow rate is just as essential as choosing the right battery. Multiple speed settings—whether four to six gears or stepless control—let you match flow precisely to material viscosity and project demands. You’ll find flow rates reaching up to 220 mm/min, so select a gun offering sufficient top speed for long beads while maintaining low-speed control for detailed work. Variable triggers and speed dials enable fine adjustments, reducing waste and preventing blobs at bead starts. Stepless control works best for thicker epoxies or quick runs, though coarse settings suffice for simple sealing tasks. Anti-drip mechanisms combined with controlled flow prevent oozing when you release the trigger, helping maintain consistent bead profiles throughout your project.

Cartridge Capacity & Compatibility

Selecting the right cartridge size matters just as much as picking your gun’s speed settings, since it directly impacts how often you’ll stop to reload. Standard 10 oz cartridges work well for small projects, while 29 oz options suit heavy-duty continuous work and minimize downtime. However, larger cartridges add weight and bulk, potentially causing operator fatigue on extended jobs. You’ll want to verify your gun accepts your chosen cartridge type—incompatible holders prevent proper seating and consistent dispensing. Additionally, confirm the gun’s push-force handles your material’s viscosity; high-viscosity epoxies demand stronger thrust mechanisms. Finally, check nozzle compatibility and standard fitting sizes so you can easily swap tips and adapters to control bead width, regardless of cartridge capacity.

Anti-Drip Technology Features

Anti-drip technology features

When you release the trigger on a quality cordless caulking gun, the nozzle shouldn’t continue weeping sealant onto your work surface. Look for reliable auto-retract or plunger retraction systems that pull the rod back automatically, stopping residual caulk from oozing out.

The best models feature adjustable back-pressure or flow control, ensuring anti-drip action works across different sealant thicknesses and nozzle sizes without creating unwanted suction that pulls air into your bead. However, inconsistent retraction can still allow slow leaks with thinner sealants, so verify measurable retraction reliability before purchasing.

Pairing anti-drip mechanisms with electronic speed control and a short mechanical delay before retraction reduces blobs at line ends markedly. Test your chosen gun with your intended sealant at your preferred speed settings to confirm near-zero drips perform as expected.

LED Visibility & Lighting

LED visibility & lighting

Most cordless caulking guns benefit substantially from built-in LED work lights, which illuminate your nozzle and bead line to boost accuracy in dim spaces or tight corners. You’ll want focused beams near the dispensing point rather than diffuse body lighting, as this reveals gaps and surface defects more effectively.

Aim for 200–450 lumens of brightness at the nozzle for typical indoor sealing work. Higher outputs can create distracting glare on glossy surfaces, so balanced intensity matters. Look for adjustable or integrated lights that stay on during loading and triggering, helping you maintain consistent bead placement when working at various angles.

Choose cool-running LEDs with good beam control and durable housing. These resist heat buildup and accidental damage, ensuring reliable visibility throughout long projects.

Ergonomic Design & Comfort

Ergonomic design & comfort

Because you’ll likely hold a cordless caulking gun for hours during sealing projects, its ergonomic design directly affects your comfort, accuracy, and fatigue levels. Choose models with pistol-grip triggers requiring minimal force, reducing hand strain during repetitive use. Lightweight bodies under four pounds prevent wrist fatigue when held extended periods. Look for balanced weight distribution that won’t pull your hand downward continuously.

Contoured, non-slip handles with rubber overmolds improve grip control and dampen vibration transmission to your hands. Forward-mounted or rotatable cartridge holders let you align nozzles without awkward wrist angles, enhancing bead accuracy considerably. Easy one-handed loading mechanisms and accessible controls minimize hand repositioning interruptions throughout your project work.

Accessory Inclusions & Value

Once you’ve found a gun that feels comfortable in your hands, the real value often comes down to what’s included in the package. Kits featuring multiple nozzle adapters and scraper tools eliminate the need for separate purchases, letting you handle different bead shapes and joint types immediately. Spare consumables—replacement knife heads, silicone pads, or nozzles—extend your tool’s lifespan and reduce project downtime when parts wear out. Additional batteries with chargers keep you working continuously; each 2000 mAh battery typically doubles your runtime before recharging becomes necessary. Complete accessory sets improve finish quality while speeding up cleanup, delivering more consistent, professional-looking joints with minimal waste. You’ll find better value when bundles combine both consumables and useful extras, allowing you to start work without additional investments.

Conclusion

You’ll find that choosing the right Cordless Caulking Gun—whether you’re prioritizing precision or modern battery technology—depends on your specific sealing needs. Consider voltage compatibility, battery life, and ease of use when deciding. Each model offers distinct advantages; DeWalt options provide reliable power, while SEESII guns deliver solid value. Evaluate your project requirements carefully before investing in equipment that’ll serve your tasks effectively.