What about battery maintenance and replacement?

When a system is properly designed and the battery bank receives regular maintenance, larger batteries can last 7-10 years.  Otherwise, expect 3-5 years for the L-16 type batteries.  Lead-acid batteries are 100% recyclable and should never be thrown in a landfill.
SWNL offers maintenance agreements on a quarterly, bi annual, and yearly basis.We'll visit the site inspect and verify your system is functioning at it's best.You'll never have to worry about your systems performance.