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This is a third-party replacement battery for Dyson V11-series cordless vacuums, rated 4500mAh at 21.6V. It uses lithium-ion cells with a built-in battery management system for overcharge, over-discharge and short-circuit protection. It fits the click-in battery slot on V11, SV15, SV16, SV17, SV22, SV28, SV29 and SV47 models, not the older SV14 screw-in type. Buyers say runtime per charge is long and suction holds steady through a whole-room clean.
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Lowest price we've seen: $69.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Buyers rate it 4.8 out of 5 and describe long runtime per charge, steady suction and quiet operation. Several note it recharges overnight and is ready by morning.
This is a replacement Li-ion battery for Dyson V11 cordless vacuum cleaners. It has a capacity of 4500mAh / 113.4Wh and an output of 21.6V. It is made to match the specifications of the original V11 battery.
The battery has a built-in battery management system (BMS) that protects against overcharge, over-discharge and short circuits. It uses a click-in design, so it installs without tools or modification.
It fits only vacuums with the click-in button style battery slot. It does not fit the V11 SV14 screw-in type, so check your vacuum's battery slot style before buying.
