20V 8400mAh Replacement Battery Pack 2 Pack Keep your 20V cordless tools running longer and minimize downtime with this pair of 20V 8400mAh batteries. Two batteries give you a ready spare so you can swap and keep working without waiting for a recharge. Key benefits Extended runtime: 8400mAh capacity provides longer run time per charge for prolonged jobs and fewer interruptions. Ready backup: Twobattery pack reduces downtime by allowing one battery to power the tool while the other charges. Simple compatibility: Designed for use with Dewalt 20V tool platforms and chargers that accept standard 20V battery packs. Easy swapin fit: Standard 20V form factor fits tool battery slots for quick installation and removal. Practical for professionals and DIY users: Suits contractors, tradespeople, and homeowners who need reliable extra power on the job. What this product solves Eliminates delays caused by a single battery running out of charge. Lets you finish tasks that require extended continuous use, such as sawing, drilling, or sanding. Provides a spare battery for jobs at sites without immediate access to charging. Important attributes Voltage: 20V Capacity: 8400mAh per battery Pack quantity: 2 batteries Compatibility: Compatible with Dewalt 20V tool system and chargers that accept 20V batteries Form factor: Standard 20V battery size for quick and secure installation Use scenarios Construction site: Keep a drill and impact driver operating throughout the day by rotating the two batteries, avoiding expensive delays. Home renovation: Power sanders and circular saws for longer continuous work when remodeling cabinets, floors, or decking. Outdoor maintenance: Run a blower or hedge trimmer for extended lawn and garden tasks without stopping to wait for a recharge. What you get Two 20V 8400mAh batteries ready for installation and use with compatible 20V tools and chargers. This twopack is a straightforward way to increase tool availability, extend runtime, and maintain productivity on the job or at home.