Posted by a reviewer on Amazon

I ordered a set from a different manufacturer before this order and the batteries were terrible

Posted by a reviewer on Amazon

They wouldnt hold much of a charge after only 23 months

Posted by a reviewer on Amazon

Talked on the phone the next day for an hour and no low battery warning

Posted by a reviewer on Amazon

One battery was a little challenging to install because the wire out of the battery was a little stiff and straight and it was hard to flatten it down against the side of the battery so that the battery would fit into the phone holder

Posted by a reviewer on Amazon

The one drawback is the bt905 battery wouldnt always last for a long phone call and it got worse as the batteries aged

Posted by a reviewer on Amazon

Only issue with these batteries is that the plastic molding keeping the cells together seems to force the wire out the side of the pack which causes an issue when trying to close the battery compartment on the telephone

Posted by a reviewer on Amazon

With the original battery which was not acceptable

Posted by a reviewer on Amazon

This week i had to join some conference calls that went for many hours the longest at 8 hours and the battery held up the entire time