Misunderstandings about the use of Electric Sightseeing Car batteries

When starting the engine, some drivers connect a fully charged battery in parallel because the original Electric Sightseeing Car battery is insufficient. In fact, after parallel connection, the fully charged battery will charge the insufficiently charged battery with a large charging current, which is very likely to cause the active material of the plate to fall off, affecting its service life.

At the same time, after the Sightseeing Bus batteries are connected in parallel, they cannot provide a large starting current to the starter, which is not conducive to the starting of the engine. The correct method should be to remove the insufficiently charged battery, replace it with a fully charged battery, and then start the engine.

When using batteries, sometimes new and old batteries are used in series, but it is not known that this practice will shorten the service life of the battery. Because the new battery has more chemical reaction substances, higher terminal voltage, and smaller internal resistance; while the old battery has a lower terminal voltage and a larger internal resistance.

If new and old batteries are mixed in series, the charging voltage at both ends of the old battery will be higher than the charging voltage at both ends of the new battery in the charging state, resulting in the new battery of the Sightseeing Bus not being fully charged while the old battery is already overcharged; in the discharge state, since the charge capacity of the new battery is larger than the charge capacity of the old battery, the old battery is over-discharged, and even the old battery is reversed. Therefore, new and old batteries must not be mixed.

In addition, batteries with different charge capacities cannot be mixed in series, because when two batteries with different charge capacities are used in series, the battery with a smaller charge capacity of the Electric Sightseeing Car will often be overcharged or discharged, shortening its service life.