


The CHARGE lamp may flash fast (multiple times a second) or slow (around 1.5 second intervals), depending on the cause. The process includes cleaning up the battery terminals, removing any corrosion, re-calibrating the battery if required, testing the battery for performance and after that setting up the new cells in place of the old ones.

TD22-12 for 22% longer run time and 50% longer. Generally speaking, though, most 4 in 1 jump starters will take about 2-3 hours to charge. This will lower the modifications of breathing in harmful fumes. It was obviously out of charge, but when I plugged it in to charge, nothing happened.
