👉【Good Update ➊】Effectively solve the problem of insufficient pressure on high-speed work. Let you enjoy the V7/V8 vacuum cleaner at high speed. 👉【Good Update ➋】Compatible with Dyson V7 and V8 SV10 Slim series cordless stick and handheld Vacuum Cleaner. 👉【Fit well for Milwaukee18V battery】Compatible with Milwaukee18V Battery 48-11-1840, 48-11-1850, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1860, 48-59-18506 etc. PLEASE NOTE: It suggest using original 4AH battery, the using time of this adapter depends on the battery life. 👉【Easy to install and remove】You just need to plug the adapter into the base of your cordless vacuum cleaner and then insert your 18v lithium battery into the adapter. 👉【Smart Protection System】This V7 adapter complies with FCC RoHS and CE security testing standards; Built-in over-discharge, over-voltage, over-current, and over-temperature protection, safe and reliable. It is designed with an indicator light, when the light is “Green”, indicates normal work, and once the light turns into “Red”, it means that the battery is running out. 👉【After-sales Guarantee】30 Days no reason to return, 6 Months Warranty, 24 Hours Customer Supports! Upgrade V7/V8 Battery Adapter, for Milwaukee M18 18V Li-ion Battery, Replace for Dyson V7 and V8 Battery Series Cordless Stick Vacuum Cleaner (V7 V8 Common)