How dangerous are knockoff tool batteries? Todd's PicksBuy Once, Cry OnceMilwaukee XC 6.0Purchased for: $90Buy on AmazonBest ValueLabtecPurchased for: $22Buy on Amazon Tools TestedAmitykePurchased for: $26Buy on AmazonNo short circuit protectionLabtecPurchased for: $22Buy on AmazonTenmoerPurchased for: $30Buy on AmazonMilwaukee XC 6.0Purchased for: $90Buy on AmazonShowing 4 of 4 products.