Unstable grids across your markets: one surge fries the board, and "randomly dies" refunds follow.
Demand this
"Input surge protection; wide-voltage tolerance holding steady through brownouts (no reboot); documented." This clause is the line between a unit that lasts and a warranty claim.
One spike fried the board?
Tell us your grid stability and we'll add surge protection plus wide-voltage tolerance, documented — not just claimed.