I ordered two batteries and the charger. One of the batteries still works today after more than a year, the other battery stopped working within the first few months. Although they were cheaper than the factory original batteries, if one only one of the two still works, it turns out not to have been such a great deal. The indication on the charger says that it’s a bad battery. This would be either a bad cell or some broken connection in the battery.

I don’t know about their longevity, but they worked great in my weed wicker. Looked almost like the original battery but much cheaper.