For example, if you have something that draws 20 amps, and you use it for 20 minutes, then the amp-hours used would be 20 (amps) x .333 (hours), or 6.67 AH. The 20 Hour Rate is the accepted AH rating time period for batteries used in solar electric and backup power systems (and also for nearly all Deep Cycle batteries).
âYes, sir, a stop payment on a check is only valid for six months.â I asked if there was any way I could cancel the check permanently. âYes sir, you can renew your stop payment six months from now. For an additional $30.â At this point, I was getting agitated.
1 Closed accounts with no negative payment history: remain 10 years from the date they are closed. Positive accounts remain on your credit report longer than negative accounts.  Late payments remain seven years from the original delinquency date. A single late payment is deleted at seven years. If there was a series of late payments (not paid at 30 days, or 60 days, or 90 days) and then brought current, the payments would be deleted seven years from the first one missed in the series.