Great for the price, as opposed to an original battery from APC. What you should keep in mind, however: There are lots of online stores on the internet that offer such extra batteries for a slightly higher price. The advantage here is that equating a parcel stamp to send back the old battery gets and must be so no longer managing the disposal (unless you're an environmental pig and throw the old battery next campfire in the glow) ... So a return form was here at least not here, so I have the old battery is still at home.
