Review on Upgrade Your Dyson V7 Performance With Biswaye 21.6V V7 Battery Replacement - Compatible With Multiple Models by Greg Horn

Just got this, installed it and all seemed easy enough. Can't yet speak to how long it holds charge, etc. But I will say that it just fractionally is different than the original equipment in that it is stiff to connect to the wall charger mount and stiff to remove it. It almost feels like I'm not sure that I like the amount of force you need to put it on and take it off. I'm not sure it's dangerous but it certainly is not smooth. I am a touch concerned about this over the long haul. Don't want to have to replace the wall charger. Just a caution for any who choose to purchase it.