5 Best Drill Drivers with 4.0 Ah, Compared

Quick picks

The best fit for you

• You want the most compact model on the list Bosch 18V Brushless Hammer Drill Combo Bosch measures 7.44 inches long, making it the shortest tool here.
• You need to drill into masonry walls DEWALT 20V MAX XR Hammer Drill and Impact Driver Kit DEWALT includes a hammer drill for masonry work.
• You want to cut wood with your kit SKIL 20V Brushless Drill and Circular Saw Kit SKIL includes a circular saw for cutting tasks.
• You prioritize the lightest weight for overhead work Greenworks 24V Brushless 1/2-Inch Drill Driver Greenworks weighs 2.71 pounds, the lightest single tool listed.

Our 5 picks

1 Best overall

Greenworks 24V Brushless 1/2-Inch Drill Driver

Best for: Lightweight home repairs and USB-C charging

Battery Capacity

4.0 Ah (what this guide is about)

Power Source

24V lithium-ion battery

Voltage

24V

Maximum Torque

800 in-lbs

Chuck Size

1/2 in.

Motor Type

Brushless

View on Amazon: Greenworks 24V Brushless 1/2-Inch Drill Driver Affiliate link

This Greenworks drill driver features a 24V brushless motor and a 1/2-inch metal chuck. It delivers 800 in-lbs of torque with two speed settings and a 21-position clutch. The kit includes a 4.0Ah USB-C battery that doubles as a 24,000mAh power bank. Weighing 2.81 lbs, it offers ergonomic comfort. The battery system works with over 200 compatible tools. It suits users needing portable power for home repairs and carpentry projects.

Pros

• 24V brushless motor provides fade-free power
• 1/2-inch keyless ratcheting metal chuck
• 4.0Ah battery includes USB-C power bank function
• Lightweight 2.81 lbs build for easy handling
• Compatible with 200+ Greenworks 24V tools

Cons

• Lower 800 in-lbs torque compared to 20V XR competitors
• Single tool kit lacks impact driver option
• No mention of Bluetooth connectivity or smart features

Good fit if

• You need a lightweight drill for extended use
• You want a battery that charges phones via USB-C
• You already own other Greenworks 24V tools

Skip if

• You require high-torque impact driving capabilities
• You prefer standard 20V MAX battery ecosystems
• You need a complete combo kit with an impact driver

Verdict: Greenworks 24V Brushless Drill with 4.0Ah Battery is a practical choice for homeowners who value lightweight ergonomics and versatile USB-C charging. It fits users who prioritize battery utility over raw drilling power.

2 Also great

DEWALT 20V MAX XR Hammer Drill and Impact Driver Kit

Best for: High-torque jobsite applications

Battery Capacity

4.0 Ah (what this guide is about)

Power Source

20V MAX battery

Voltage

20V MAX

Maximum Torque

1825 in-lbs

Motor Type

Brushless

Number of Tools

2-tool

View on Amazon: DEWALT 20V MAX XR Hammer Drill and Impact Driver Kit Affiliate link

This DEWALT kit includes a hammer drill and an impact driver, both powered by 20V MAX batteries. It features brushless motors and 4.0 Ah POWERPACK batteries. The hammer drill offers two speed settings up to 2,000 rpm. The impact driver delivers 1,825 in-lbs of torque. The total weight is 10.7 pounds. This setup suits users needing high power and precision for various jobsite tasks.

Pros

• Brushless motors for efficiency
• 1,825 in-lbs max torque
• Two-speed transmission up to 2,000 rpm
• Includes two 4.0 Ah batteries

Cons

• Heavier at 10.7 pounds total
• No included charger mentioned
• Limited to 20V MAX platform

Good fit if

• You need high torque for large screws
• You want a hammer drill function
• You prefer brushless motor technology

Skip if

• You need a 18V or 24V system
• You require a lighter tool under 10 pounds
• You already own compatible 20V MAX batteries

Verdict: DEWALT 20V MAX XR Combo Kit provides robust power for demanding fastening and drilling. It fits professionals who prioritize torque and brushless efficiency in a single system.

3 Best budget

Makita 18V Brushless 2-Tool Kit

Best for: High-torque driving and efficient run time

Battery Capacity

4.0 Ah (what this guide is about)

Power Source

18V LXT Lithium-Ion Cordless

Voltage

18V

Maximum Torque

530 in.lbs. (Hammer Driver-Drill)

Chuck Size

1/2 in. (Hammer Driver-Drill)

Motor Type

Brushless

View on Amazon: Makita 18V Brushless 2-Tool Kit Affiliate link

This Makita kit includes an 18V hammer driver-drill and an impact driver, both powered by brushless motors. The drill offers 530 in.lbs. of torque with two speed settings, while the impact driver delivers 1,500 in.lbs. of torque. Both tools come with a 4.0 Ah battery. The design prioritizes efficiency and run time, making it suitable for users who value motor longevity and consistent power delivery across various tasks.

Pros

• Brushless motors optimize battery energy use for longer run times
• Impact driver provides 1,500 in.lbs. of max torque
• Drill features two speed settings (0-500 and 0-2,000 RPM)
• Hammer driver-drill includes 1/2 in. chuck

Cons

• Drill torque is lower than some competitors
• Impact driver lacks a hammer function
• No battery charger included in kit specs

Good fit if

• You need high torque for driving applications
• You prefer brushless motor efficiency
• You want a compact 18V system

Skip if

• You require hammer drilling in the impact driver
• You need higher drill torque than 530 in.lbs.
• You want a 20V MAX platform

Verdict: Makita 18V Brushless 2-Tool Kit delivers strong impact torque and efficient brushless performance. It fits users who prioritize run time and driver power over maximum drill torque or hammer functionality in the impact tool.

4 Best circular saw

SKIL 20V Brushless Drill and Circular Saw Kit

Best for: Users needing drill and saw combo

Battery Capacity

4.0 Ah (what this guide is about)

Power Source

PWR CORE 20 Cordless

Voltage

20V

Chuck Size

1/2 in.

Motor Type

Brushless

Battery Included

4.0Ah battery and charger included

View on Amazon: SKIL 20V Brushless Drill and Circular Saw Kit Affiliate link

This SKIL 2-Tool Combo Kit pairs a 20V brushless drill driver with a 6-1/2 inch circular saw. It includes a 4.0Ah PWR CORE 20 battery and charger. The drill offers high and low speed settings for torque or precision. The saw features an integrated dust blower for clear cut lines. The battery charges fully in 45 minutes. This kit suits users needing both drilling and cutting capabilities in one package.

Pros

• Brushless motor for efficient performance in both tools
• 4.0Ah battery with PWR CORE 20 technology for longer run time
• Charges in 45 minutes with 5-minute quick charge option
• Includes 6-1/2 inch circular saw with dust blower

Cons

• Only includes two tools, limiting versatility for other tasks
• No mention of keyless chuck for quick bit changes
• Heavier at 11.4 pounds compared to some lighter kits

Good fit if

• You need both drilling and circular sawing capabilities
• You value quick battery charging times
• You prefer brushless motor efficiency

Skip if

• You require more than two tools in your kit
• You need a hammer drill for masonry work
• You prefer a lighter, single-tool setup

Verdict: SKIL 20V Brushless Drill and Saw Kit is a solid choice for DIYers who need both drilling and cutting tools. It offers good value with its brushless motors and fast-charging battery.

5 Best premium

Bosch 18V Brushless Hammer Drill Combo

Best for: versatile driving and hammering tasks

Battery Capacity

4.0 Ah (what this guide is about)

Power Source

18V cordless

Voltage

18V

Maximum Torque

1,800 in.-lbs.

Chuck Size

1/2 in. (hammer drill/driver)

Motor Type

Brushless

View on Amazon: Bosch 18V Brushless Hammer Drill Combo Affiliate link

This Bosch 18V combo kit includes a hammer drill/driver and a two-in-one impact driver/wrench. It comes with two 4.0 Ah CORE18V batteries. The hammer drill features a 1/2 inch metal chuck and a precision clutch with 20+1 settings. The impact driver delivers 1,800 in.-lbs. of torque. Brushless motors in both tools offer efficient runtime. This kit suits users needing versatile driving and hammering capabilities in a compact form.

Pros

• Includes two 4.0 Ah batteries for extended runtime
• 1/2 inch metal chuck on the hammer drill for durability
• Impact driver functions as both driver and wrench
• 20+1 clutch settings for precise fastener control
• Brushless motors in both tools for efficiency

Cons

• Lower voltage than 20V or 24V competitors
• Impact driver torque is lower than some heavy-duty options
• No hammer drill mode specified for the impact driver

Good fit if

• You need a 1/2 inch chuck for larger bits
• You want a two-in-one impact driver for sockets and bits
• You prefer compact 18V tools for tight spaces

Skip if

• You require maximum torque for heavy structural work
• You prefer 20V or 24V platform compatibility
• You need a dedicated hammer drill without impact driver features

Verdict: Bosch 18V 2-Tool Kit with 1/2 Inch Chuck is a practical choice for users who value the versatility of a two-in-one impact driver and the durability of a 1/2 inch metal chuck. It fits well for general construction and DIY tasks where compactness matters.

Specifications side by side

How to choose the right drill driver kit

1. Check the number of tools

   Determine how many tools you need for your projects. The Makita kit includes two tools, making it a compact budget option. The DEWALT kit offers three tools, including an impact driver, which adds versatility for heavy-duty fastening. If you only need a drill, the Greenworks single-tool kit reduces clutter. Consider your workflow. More tools mean higher weight but greater capability. Fewer tools keep the kit lighter and easier to store. Match the count to your actual usage frequency.

2. Verify the motor type

   Look for brushless motors for better efficiency and longevity. The Greenworks, Makita, and SKIL kits all feature brushless motors. These motors generate less heat and draw less power, extending your run time. The DEWALT kit also uses brushless technology for robust performance. Avoid brushed motors if you plan to use the tools frequently. Brushless designs require less maintenance because they lack carbon brushes that wear out over time. This spec directly impacts how long the tool lasts under regular use.

3. Assess the torque output

   Torque determines how well the drill drives screws or drills holes. The Greenworks kit provides 800 inch-pounds of torque, which is sufficient for light home repairs. The DEWALT and Makita kits are noted for high torque, making them suitable for demanding jobsite applications. Higher torque helps when working with dense materials or large fasteners. If you only do light DIY, moderate torque is fine. For professional use, prioritize kits with higher torque ratings to ensure consistent performance without stalling.

4. Consider the chuck size

   The chuck size determines the maximum drill bit diameter you can use. The Bosch kit features a 1/2-inch chuck, which accepts larger bits and offers a secure grip. Most standard drills use 3/8-inch chucks, but 1/2-inch provides more versatility for heavy-duty tasks. If you frequently use large bits or need maximum holding power, the Bosch option is practical. For general drilling and driving, smaller chucks are often sufficient. Check this spec if you plan to use the tool for varied bit sizes.

5. Evaluate the weight and size

   Weight affects comfort during extended use. The Greenworks kit weighs 2.71 pounds, making it the lightest option for overhead work or tight spaces. The Bosch kit measures 7.44 inches long, offering a compact profile for confined areas. The DEWALT kit is heavier at 10.7 pounds due to its three-tool configuration. Heavier kits provide more power but can cause fatigue. Choose a lighter model for precision work or overhead drilling. Select a heavier, more robust kit for stationary tasks where stability matters more than portability.

Frequently asked questions

See also

• best power tool combo kits under 200
• best power tool combo kits under 300
• best chainsaws with 4 0 ah
• best cordless drills with drill driver