So i guess there is a part two to this battery show down !
Kirkland 20720 $104.99
- MCA 685
- CCA 550
- Reserve Capacity 140 minutes
- Amp/HR 95
Costco only shows just the basic info on their deep cycles. All the details are in their battery catalog hanging off the shelf.
Nautilius NA24DP/010-2499-8 $144.99
- MCA 675
- CCA (unlisted)
- Reserve Capacity 120 minutes
- Amp/HR 65
Kirkland 20720 $104.99
- 140*60 = 8400
- 8400*25 = 210,000
- 210,000 / 3600 = 58.33 amp/hr
Nautilius NA24DP/010-2499-8 $144.99
- 120*60 = 7200
- 7200*25 = 180,000
- 180,000 / 3600 = 50 amp/hr
Kirkland 20720 $104.99
104.99/(58.33 amp/hr) = $1.79 per amp/hr
Nautilius NA24DP/010-2499-8 $144.99
$144.99/(50 amp/hr) = $2.90 per amp/hr