Home /DeWalt /tools /DEWALT DCB404 40V MAX 4.0 Ah Lithium-Ion Battery

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DEWALT DCB404 40V MAX 4.0 Ah Lithium-Ion Battery

Name: DEWALT DCB404 40V MAX 4.0 Ah Lithium-Ion Battery
Brand: DeWalt
SKU: WOR-TOO-699
Price: 39.99 USD
Availability: InStock
Rating: 4.7 (6 reviews)

4.7 (6)

$79.99 $39.99

The DEWALT DCB404 40V MAX lithium-ion battery pack delivers 4.0 Ah of runtime with a 4-LED fuel gauge, no memory effect, and compatibility with all DEWALT 40V MAX tools.

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Pair withDEWALT DCB406 40V MAX XR 6.0Ah Lithium-Ion Battery$39.99

Categories : tools

SKU : WOR-TOO-699

Description

The DEWALT DCB404 40V MAX Lithium-Ion Battery is a 4.0Ah power source for DEWALT 40V MAX tools and outdoor power equipment. Its 4-LED fuel gauge gives you an at-a-glance readout of remaining charge, so you can avoid downtime on the job. The battery is engineered with no memory effect and virtually no self-discharge, making it a dependable choice for both frequent use and seasonal storage.

Understanding the DCB404 Battery Lights and Fuel Gauge

The four LEDs on the DCB404 represent charge level in roughly 25% increments. Four solid LEDs mean a full charge; three indicate approximately 75%; two about 50%; one about 25% or less and time to charge. If the LEDs flash during charging or under load, refer to the DEWALT DCB404 manual for charging status and troubleshooting.

DEWALT DCB404 Compatibility and Use

Compatible with all DEWALT 40V MAX tools, string trimmers, blowers, chainsaws, and other outdoor equipment. Always use with a DEWALT 40V MAX charger.

4.0 Ah Capacity and Runtime

At 4.0 Ah, this pack provides more work per charge than lower-capacity 40V batteries and is ideal for larger jobs. The no-memory design means you can top it off anytime without reducing long-term capacity.

Features

4-LED fuel gauge shows remaining charge at a glance
4.0Ah capacity extends runtime for outdoor and DIY tools
No memory effect and virtually no self-discharge for reliable storage
Compatible with all DEWALT 40V MAX tools and outdoor power equipment
Durable design for outdoor work
Model: DCB404
Weight: 1.3 lbs
Voltage: 40V MAX (36V nominal)
Capacity: 4.0 Ah
Fuel Gauge: 4-LED
Product Type: 40V MAX Lithium-Ion Battery
Compatibility: DEWALT 40V MAX tools and outdoor power equipment
Seller: Workbench World
MPN: DCB404

Product Details

DCB404 Fuel Gauge Light Guide

LED StatusCharge Level4 solid LEDs100% – 75%3 solid LEDs75% – 50%2 solid LEDs50% – 25%1 solid LED25% – 0% (recharge soon)Flashing LEDsCharging, hot/cold delay, or fault – see manual

Compatible DEWALT 40V MAX Tools

Use the DCB404 with DEWALT 40V MAX string trimmers, blowers, chain saws, hedge trimmers, and other 40V outdoor equipment. It also powers 40V MAX compressors, fans, and worklights.

Battery Care for Long Life

Store the DCB404 at partial charge (around 30–50%) if you won't use it for months. Avoid leaving it in a hot car or below freezing. Clean the terminals with a dry cloth if they look dirty.

Frequently Asked Questions

What do the four lights on the DCB404 mean?

Each LED represents about 25% of charge: 4 LEDs = full, 3 = ~75%, 2 = ~50%, 1 = ~25% (time to charge). A flashing light can indicate charging, temperature delay, or a fault per the manual.

Can I use this battery with 20V MAX tools?

No, the DCB404 is designed only for DEWALT 40V MAX tools and outdoor power equipment.

Does this battery have a memory effect?

No. Lithium-ion cells do not require full discharge before recharging.

How long does the charge last?

Runtime depends on the tool and workload. The 4.0Ah capacity generally provides longer runtime than 2.0Ah or 3.0Ah packs in the same tool.

Customer Reviews

6

5.0

GadgetGuy

Verified

Power

Long lasting, man.

4.0

R. Jensen

Verified

Good battery

It works with my trimmer and blower. Charges quickly. The gauge is helpful.

5.0

C. Malone

Verified

Reliable

I'm 65 and I've been using 40V DEWALT tools for years. This battery is exactly what I expect. It charges in about an hour. It works with all my old tools. The 4-LED gauge is accurate. I use it with my mower and it does the whole yard. I'll stick with genuine DEWALT batteries.

5.0

Sandy

Verified

Great runtime

I can mow my lawn twice on one charge. That's a lot for my big yard. It fits my DEWALT mower perfectly.

4.0

Brad

Verified

Good but pricey

It's a solid battery. It doesn't have memory issues. Just expensive compared to aftermarket.

5.0

L. Nguyen

Verified

Works as expected

I bought this for my chainsaw. It lasts a good 45 minutes of constant cutting. I like the fuel gauge. It feels well built.

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DEWALT DCB404 40V MAX 4.0 Ah Lithium-Ion Battery

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Description

Understanding the DCB404 Battery Lights and Fuel Gauge

DEWALT DCB404 Compatibility and Use

4.0 Ah Capacity and Runtime

Features

DCB404 Fuel Gauge Light Guide

Compatible DEWALT 40V MAX Tools

Battery Care for Long Life

Frequently Asked Questions

Customer Reviews

GadgetGuy

Power

R. Jensen

Good battery

C. Malone

Reliable

Sandy

Great runtime

Brad

Good but pricey

L. Nguyen

Works as expected

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