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DEWALT DCB609 FLEXVOLT 20V/60V MAX 9 Ah Lithium-Ion Battery

Name: DEWALT DCB609 FLEXVOLT 20V/60V MAX 9 Ah Lithium-Ion Battery
Brand: DEWALT
SKU: B01MQTIEMD
Price: 156.99 USD
Availability: InStock

Posted May 25, 2026Updated May 31, 2026

$156.99$219.00

28% OFFYou save $62.01

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Is this a good deal?

Dual-voltage for ultimate flexibility
180 watt hours of energy in each battery pack. Get 360 watt hours when using (2) FLEXVOLT 9.0 Ah batteries in 120V MAX* tools
6X runtime** when used in a 20V MAX* tools
Runs cooler than leading competitor 9.0 Ah battery for better efficiency***
Compatible with all 20V MAX* chargers

Great Deal

28% off the original price. Dual-voltage battery delivers 180Wh, 6X runtime in 20V tools, and runs cooler than competitors. Ideal for heavy-duty users.

What we like

Dual-voltage (20V/60V) flexibility
180 watt-hours per battery
6X runtime in 20V MAX tools
Runs cooler than leading competitor

Watch out for

Heavier than standard 20V batteries
Premium price even on sale

Tip: Pair with a FLEXVOLT charger for fastest charging times.

Our Take

Best for: Professional contractors and serious DIYers needing extended runtime.

The DEWALT DCB609 is a powerhouse battery that bridges two voltage systems. With 180 watt-hours, it runs 20V tools six times longer than standard packs and also powers 60V FLEXVOLT tools. It runs cooler than competitors, extending cell life. 99, a rare price for this premium battery. The only downsides are its weight - over 2 pounds - and the high upfront cost. But for pros who need all-day runtime and compatibility across DEWALT's platform, this is a smart investment.

Price Analysis

At $156.99, you save $62 (28%) off the $219 list price. This is a strong discount for a top-tier battery. Historically, prices hover around $180-$200, so this is a great time to buy.