OutBack Power FLEXmax 5-Year Extended Warranty Please log in to see price or purchase this item SKU: 350-0236 Details Outback, 5 Year Extended Warranty, 10 Years Total, for FLEXmax Series Charge Controllers, Extended Warranty Fee, EXTWARRFEE-FM DetailsBackDetailsOutback, 5 Year Extended Warranty, 10 Years Total, for FLEXmax Series Charge Controllers, Extended Warranty Fee, EXTWARRFEE-FM