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The DeWalt DCB609 is a dual-voltage 20V/60V MAX FlexVolt battery rated at 9.0 Ah. It switches voltage automatically to match the tool: in 20V MAX tools it delivers long runtime, and in 60V MAX and 120V MAX tools it supplies corded-class power. It fits all 20V MAX chargers and has an LED charge-status display plus a silicone-encapsulated module that resists dust and debris. It suits owners of DeWalt 20V and FlexVolt tools who want one pack to cover both, though its weight and bulk are the usual trade-offs against smaller 20V packs.
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Lowest price we've seen: $149.00 on Nov 13 at eBay. Tracked across 16 stores since Nov 13.
Owners value the runtime and the convenience of one pack spanning 20V and FlexVolt tools. A notable share report durability problems, including packs that stopped charging or died early, which pulls the average down.
The DeWalt DCB609 is a dual-voltage FlexVolt 9.0 Ah lithium-ion battery. It changes voltage automatically when you switch tools. It works in 20V MAX, 60V MAX and 120V MAX tools and products.
In 20V MAX tools it provides up to 6x runtime. In 60V MAX and 120V MAX tools it delivers the power of corded. Each pack holds 180 watt hours of energy. Using two FlexVolt 9.0 Ah batteries in 120V MAX tools gives 360 watt hours.
Patented technology and large format cells help it run cooler than the leading competitor 9.0 Ah battery pack under a constant discharge. A silicone encapsulated module helps keep dust and debris out. An LED display on the battery shows charge status. It operates in outside temperatures down to 0°F.
