3 prongs connector

The original battery on our Eufy was no longer holding a charge and the vacuum stopped working. As the vacuum started to die weeks in advance, it displayed a red light at the top while it was in the charger. We replaced it with this battery which has a higher mAh. It can therefore hold more of a charge and work to vacuum longer. We have not noticed any difference in the functionality of the vacuum and it now fully charges and shows a green light. It is a great way to keep the appliance running without having to replace it.The install was very simple. You access the battery compartment on the underside of the vacuum and use a small Philips screwdriver to get to the battery. You have to carefully disconnect the wire and then connect the new battery using the small plastic connectors. You then replace the cover and return the vacuum to it's charging station and let it charge until you see the green light.

works perfectly

Swapping out these batteries is always a pain but this slips right in. The worst part about it is trying to get the original out. Otherwise, goes in in minutes and holds a charge for a long time.

I cannot believe how well this battery works. Will work for 3 hours. I bought it to replace the battery in my Eufy Robo vacuum. The stock battery with eufy is very underwhelming. Lucky if it could last 60 minutes. Which is a bummer because that's anker and I think they're a good company. But they're Eufy batteries are junk. I'm going to buy the compatible ones for my Deebots vacuums. I just wish we could get these sent to Hawaii, I have to buy them when I am in the mainland and carry them home via carry-ons.

They work just fine in robot sweeper

Vacuum is back in business, when not using portable vacuum turn the power off to conserve battery life

Worked perfectly.

Didn’t even last 2 months. Waste of time , i have to return it and reorder another one from other supplier .