Electric Tool Batteries

Find replacement batteries for cordless electric tools by brand, voltage, battery platform, capacity, and model number. This collection covers lithium-ion batteries for professional and DIY power tools, including drills, impact drivers, saws, grinders, outdoor equipment, and other cordless devices.

Replacement Batteries for Cordless Power Tools

Cordless electric tools rely on rechargeable battery packs designed for specific voltage platforms and tool systems. The correct replacement battery should match the tool brand, battery platform, voltage, connector design, capacity, and compatibility requirements.

Popular electric tool battery systems include:

12V battery platforms
18V battery platforms
20V MAX battery platforms
24V battery platforms
36V battery platforms
40V MAX battery platforms
56V and higher-voltage outdoor tool systems

Electric Tool Battery by Brand

DeWalt Battery

Replacement batteries for DeWalt cordless tools, including:

DeWalt 20V MAX Battery
DeWalt XR Battery
DeWalt FLEXVOLT Battery
DCB205 Battery
DCB206 Battery
DCB606 Battery

Compatible with selected DeWalt drills, impact drivers, saws, grinders, and other cordless tools.

Makita Battery

Replacement batteries for Makita cordless tools, including:

Makita 18V LXT Battery
Makita 12V CXT Battery
Makita XGT Battery
BL1830 Battery
BL1850B Battery
BL1860B Battery

Designed for compatible Makita cordless power tools and outdoor equipment.

Bosch Battery

Replacement batteries for Bosch cordless tools, including:

Bosch 12V Battery
Bosch 18V Battery
Bosch GBA Battery
Bosch ProCORE18V Battery

Compatible with selected Bosch Professional and DIY cordless tools.

Milwaukee Battery

Replacement batteries for Milwaukee cordless tools, including:

Milwaukee M12 Battery
Milwaukee M18 Battery
Milwaukee REDLITHIUM Battery

Designed for compatible Milwaukee drills, saws, impact tools, and other cordless equipment.

Ridgid Battery

Replacement batteries for Ridgid cordless tools, including:

Ridgid 18V Battery
Ridgid Lithium-Ion Battery
Ridgid Hyper Lithium Battery

Compatible with selected Ridgid cordless tool systems.

Craftsman Battery

Replacement batteries for Craftsman cordless tools, including:

Craftsman V20 Battery
Craftsman CMCB201 Battery
Craftsman CMCB205 Battery
Craftsman CMCB206 Battery

Designed for compatible Craftsman 20V cordless tools.

Ryobi Battery

Replacement batteries for Ryobi cordless tools, including:

Ryobi 18V ONE+ Battery
Ryobi 40V Battery
Ryobi Lithium Battery

Compatible with selected Ryobi power tools and outdoor equipment.

How to Choose the Correct Electric Tool Battery

Before purchasing a replacement battery, check:

Tool Brand – Identify the manufacturer of your cordless tool.
Battery Platform – Confirm the battery system, such as DeWalt 20V MAX, Makita LXT, or Milwaukee M18.
Voltage – Match the required voltage of the tool.
Battery Model Number – Compare the original battery model or part number.
Capacity – Check battery capacity in Ah (Amp-hours).
Battery Chemistry – Most modern tool batteries use lithium-ion technology.
Connector Design – Ensure the battery mounting interface matches.
Charger Compatibility – Confirm that the charger supports the replacement battery.

Common Electric Tool Battery Capacities

Cordless tool batteries are available in different capacity options:

1.5Ah Battery – Compact and lightweight applications
2.0Ah Battery – General daily tool use
4.0Ah Battery – Balanced runtime and weight
5.0Ah Battery – Longer runtime for professional work
6.0Ah+ Battery – High-demand applications requiring extended operation

A higher Ah rating generally provides longer runtime when the battery is compatible with the tool platform.

Electric Tool Battery Compatibility

Battery compatibility depends on more than voltage or capacity. Batteries from different brands or platforms are not interchangeable even when specifications appear similar.

For example:

DeWalt 20V MAX batteries fit compatible DeWalt 20V tools.
Makita 18V LXT batteries fit compatible Makita LXT tools.
Milwaukee M18 batteries fit compatible Milwaukee M18 tools.
Bosch 18V batteries fit compatible Bosch 18V tool platforms.

Always match:

Brand + Battery Platform + Voltage + Model Number

before purchasing a replacement battery.

When Should You Replace an Electric Tool Battery?

A cordless tool battery may need replacement when:

The tool runs for less time than before.
Battery power decreases during use.
The battery cannot hold a charge.
The tool stops unexpectedly.
Charging performance becomes inconsistent.
The battery has reached the end of its normal service life.

Battery performance depends on tool workload, battery capacity, charging cycles, storage conditions, and usage frequency.

Find Your Electric Tool Replacement Battery

Browse replacement batteries by brand, voltage, battery platform, model number, and capacity. Whether you need a DeWalt 20V battery, Makita 18V battery, Bosch 18V battery, Milwaukee M18 battery, or another cordless tool battery, identifying the exact battery system is the first step to finding a compatible replacement.

Frequently Asked Questions

What battery do I need for my cordless electric tool?
The correct battery depends on the tool brand, battery platform, voltage, and original battery model. Check the label on your existing battery before purchasing.

Can I use batteries from different brands on the same tool?
No. Electric tool batteries are designed for specific brand platforms and connector systems. A DeWalt battery, Makita battery, or Milwaukee battery cannot be used interchangeably.

Can I use a higher Ah battery on my cordless tool?
A higher-capacity battery may provide longer runtime if it belongs to the same battery platform and is compatible with the tool and charger.

What is the most common cordless tool battery voltage?
Common cordless tool battery platforms include 12V, 18V, 20V MAX, 24V, 36V, and 40V systems, depending on the brand and application.

How do I find my electric tool battery model number?
Check the label on the battery pack. The model number is usually printed together with voltage and capacity information.

Should I replace my tool battery with the same capacity?
Matching the original capacity is recommended, but a different capacity may work if the battery platform, voltage, and tool compatibility are correct.