up for sale is a Vortech Battery back up only used once to make sure it worked the date of manf: Date is August 18th of 2018 125.00 shipped (i will work with you if your west of the mississippi then shipping would be more this thing is heavy) also i have a Ice Cap Battery backup also used only once to make sure they worked 115.00 shipped. i bought these last dec when my generator crapped out on me and i needed piece of mind and bought these until i got a replacement generator. i never used these to power the pumps so basically these both are brand new in in perfect condition.