Just replace the whole unit every three years, since the components inside will degrade over time anyway, and take the old unit to an electronics recycling center.

Junk, bought 2 of these they lasted about 2 years and both died, went back to APC for about the same price

3 year warranty...died at 3 years and 4 months

Unit failed 2 years into 3 year warranty

Hey seem to last about 2 years before complete failure

Other wise it has done its job for those 6 years, making total appliance cost per year about $10

Second year of you lose

Works as it should.

Works as it should, keeps my network running when the power goes out which keeps all of my home automation devices happy.

I don't really think it would hurt the unit, but this one has an audible alarm that sounds if it is being overdrawn, as well as when it is operating from battery power

Not a great choice for protecting a

I wish I had ordered a higher voltage since you are limited as to what you can use it for.

I have experienced one power outage since having this, the system worked (as it should) flawlessly, safely shutting down my computer, modem, and monitor.

So it's not even a power surge that killed it - as far as we can tell it's just the power on/off button that is broken or the battery that won't re-charge.

This is one of those products that performs so well, you even forget it's there, working as it should.