Schumacher & Fast Charge Starter Charger  "vapor batteries" Questions

...like 50amp engine start) or there was not proper ventilation as the electrode heated up and the gas vapors from the battery could have ignited if there was a spark. I can't tell you why it ...

can't connect charger's cables to battery without sparks Without the charger connected to power, I can't connect the charger's cables to the battery without sparks. Either connecting positive to ...