I had forgotten when but some time last year I ordered a replacement battery for my UPS from Apex Battery.
I just got an e-mail from them with the following comments
Time to check your warranty
It has been 11 months since your order with Apex Battery.
Nothing is more important to us than treating our customers with the best quality service. This is why we wanted to send you a reminder to check your battery today before your warranty expires. We also wanted to take this opportunity to introduce you to a few of our other new sites, iCables, Ink & Toner and Marine Battery. Check em out!
If you are having any problem with your battery please contact us before your warranty period has expired so we can remedy your situation.