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Optima Yellow Top www.optimabatteries.com |
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| by Brian Smith | |||
| Description Optima’s Yellow Top weighs in at a hefty 44.5 lbs. and features both top and side connection posts and (thankfully) a carry handle. The Yellow Top measures 6.8- x 10- x 6.75-inches, which gives it a footprint of 67.5 square inches and an overall volume of about 459.8 cubic inches. Test Results In our first test, the Yellow Top produced a constant 350 watts for about an hour before its voltage dropped below 10.5 V. This equates to 476 watt-minutes per pound, or 7.9 watt-hours per pound. In our second test, the Yellow Top produced a maximum of 457 amps at 10.5 V, which gives us a specification of 10.27 amps per pound. Test 1 (350 Watts): 60.5 min. (1.01 Hour) Watt-Min./Pound: 1.36 x 350 =476 Watt-Hours/Pound: .0227 x 350 = 7.9 Test 2 (Amps @ 10.5 V): 457 amps Amps/Pound: 475/44.5 = 10.27 Weight: 44.5 lbs. |
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| Price & Contact: $185; 303-340-7440; www.optimabatteries.com |
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