. It also safeguards your equipment against damaging surges & spikes that travel along utility & phone lines. The Back-UPS series is greener than ever using an ultra-efficient design that consumes less power during normal operation than any other battery backup in its class. This reduces your energy costs & environmental impact. Combined with all of the standard features of the Back-UPS series the 325 is the perfect unit to protect your productivity from the constant threat of bad power & lost data..