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A 40V MAX 7.5Ah lithium-ion battery compatible with all DEWALT 40V MAX tools, offering 87% more capacity than the 4Ah model and a 3-LED fuel gauge.
Categories : tools
SKU : WOR-TOO-840
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The DEWALT DCB407 40V MAX Battery gives you compressed runtime for the entire DEWALT 40V MAX line. With 7.5 ampere-hours of capacity, this Premium XR pack delivers up to 87% more runtime than the DCB404 4.0Ah battery, so you can trim, cut, and fasten longer between charges. The 3-LED fuel gauge provides immediate status feedback, and the lithium-ion design has no memory effect and virtually no self-discharge.
Unlike older battery packs, the DCB407 uses premium lithium-ion cells that hold a charge while stored and deliver consistent power under load. It's compatible with every DEWALT 40V MAX tool, including mowers, blowers, chainsaws, and outdoor equipment, making it a smart second battery or a replacement for lower-capacity packs.
The 3-LED fuel gauge on the DCB407 shows the current charge level at the press of a button:
When no LEDs light up, the battery is depleted and needs to be recharged. The fuel gauge is active even when the battery is not in the tool, so you can check the battery before heading out to work.
The DCB407 holds 87% more energy than the DCB404, making it ideal for high-draw tools like a chainsaw or mower. You get longer work sessions with fewer interruptions, and the pack is designed to run cooler for extended life.
Note: The *MAX* label refers to initial; maximum voltage is 40 volts, nominal voltage is 36V.
7.5Ah capacity offers up to 87% more runtime than the 4.0Ah DCB404.
Compatible with all DEWALT 40V MAX tools and equipment.
3-LED fuel gauge tells you battery charge status at a press.
No memory effect and low self-discharge for long shelf life.
Model: DCB407
Series: Premium XR
Weight: 1.35 lb / 0.61 kg
Voltage: 40V MAX (36V nominal)
Capacity: 7.5 Ah
Chemistry: Lithium-ion
Fuel Gauge: 3-LED
Product Type: Lithium-ion Battery
Compatibility: All DEWALT 40V MAX tools
Seller: Workbench World
MPN: DCB407
Press the gauge button to see the three LEDs. This helps you decide whether to grab a fresh battery before a long job, and prevents downtime when you're away from a charger.
Three LEDs means 67–100% charge, two LEDs means 34–66%, one LED means 0–33%. When no LEDs light, recharge the battery.
Yes, the DCB407 is designed to work with every DEWALT 40V MAX battery-powered tool and outdoor equipment.
Runtime varies by tool and load. In a string trimmer, you can typically expect 50–70% longer runtime than a 4Ah pack, and in a chainsaw, roughly 40–60% longer.
Yes, it is compatible with all DEWALT 40V MAX chargers.
This battery is a beast. It lasts way longer than my old 4Ah one. The 3-LED fuel gauge is really useful, tells me exactly how much juice is left. I can use it with all my 40V tools without issue. It charges in about an hour. It's a bit heavy, but that's expected with more capacity. It fits snugly in my tools. Definitely improves my productivity.
Good battery. It runs my weed trimmer a long time. The gauge is helpful.
Long runtime. Solid.
I use this for my leaf blower. It lasts all day with intermittent use. The LEDs are bright.
