Discover the ultimate battery test! We put Harbor Freight's Thunderbolt Magnum batteries (alkaline and zinc chloride) to the test, comparing their performance in a comprehensive discharge experiment. Watch as we meticulously set up the test and monitor the results, revealing surprising insights into battery power and longevity. Don't miss this in-depth analysis! #BatteryTest #HarborFreight #ThunderboltBatteries #AlkalineBatteries #ZincChlorideBatteries #BatteryReview #PowerTest #DischargeTest #DIY #TechReview