Reverse engineering to determine safety is what UL does. If anything here, the charger needs to account for fucked batteries with fail-safes but as long as the batteries are fine, it shouldn't be a problem
Def not UL Listed
Reverse engineering to determine safety is what UL does. If anything here, the charger needs to account for fucked batteries with fail-safes but as long as the batteries are fine, it shouldn't be a problem