Battery Replacement for 6613X T900 T765 7140XL 5810XL 5811XL 5814XL 5818XL 2750 HQ6675 HQ6676 HQ6695 HQ851 HQC280

Got this battery for my old Norelco 1765 shaver that I've had for 10+ years where the rechargeable battery has finally died. Battery arrived in a nice package, but trying to get the very thin plastic wrap off the battery was a PITA. After removing the plastic wrap, I could not find the polarity indication of the battery. I had to use a DVM to determine which end was positive or negative, which is why I gave it 4 stars instead of 5. After installing this battery and soldering the old leads to the terminal tabs, I gave it a full charge and seems to work fine.

After 13 years I finally had to replace the original battery in my Norelco 6613X. It got to the point that a charge would barely last through a single shave.I've replaced that battery with this one and am surprised at how much power my shaver has recovered. I guess I hadn't noticed the old one weakening over the long term.So all in all I have no dislikes about this battery. The only unknown is how long it will last. Since that element is unknown, I won't give the product five stars, but everything I do know about the battery does rate five stars.