The Dyson V7 battery powers the Dyson V7 cordless vacuum, delivering the energy needed for consistent suction across different floor types. Built with lithium-ion cells, it charges quickly and avoids the memory effect found in older battery types. Over time, the Dyson V7 battery may lose capacity, which reduces runtime, but replacing it restores full performance. Both original and aftermarket options are available, with some aftermarket models offering higher capacity for longer cleaning sessions. Easy to install and widely available, the Dyson V7 battery keeps your vacuum reliable, making it a key part of maintaining your Dyson V7’s cleaning power.