Battery chargers that apply high voltage (for example, more than 14.4 volts on a 12 volt nominal system) will result in emission of hydrogen gas from the battery, which may damage it or create an explosion risk.
施加高电压的电池充电器（例如在12伏标称系统上大于14.4伏）将导致电池排放氢气，这可能损坏电池或产生爆炸风险。