Baroness LM331, Service Manual, Page: 102 / 165

Warning
Charging the battery mounted on the vehicle
may cause ignition, explosion, or damage on
the vehicle or equipment.
If there is no way other than to charge the
battery mounted on the vehicle, remove the
minus cable terminal on the vehicle side,
which is connected to the battery.
When connecting to the battery charger, firmly
connect the plus and minus charge clip to the
plus and minus terminals of the battery,
respectively.
If they are connected reversely or loosely, it
may cause ignition, explosion, failure of the
battery charger, or damage on the vehicle or
equipment due to the polarity inversion of the
battery.
Set the charging current to 1/10 or less than
the rating capacity of battery. In the case of
fast charging, set it to that rating capacity or
less.
If the charging current is too large, it may
cause ignition or explosion due to electrolyte
leaks or liquid shortage.
Do not mount the battery on the vehicle and
wait for 30 minutes after charging.
Failure to observe these precautions could
cause a fire or explosion.
Caution
The temperature of the electrolyte must be 45
degrees C or lower. In the case of fast
charging, it must be 55 degrees or lower.
If these temperature limits are exeeded, it
could result in battery deformation or
electrolyte leaks.
When charging the battery, remove the vent
plug of the battery, if possible, to expedite the
diffusion of the hydrogen gas derived from the
battery.
Electrolytic solution adheres to the vent plug,
so be careful so that your skin nor clothes do
not touch the solution.
If the electrolyte level is lower than halfway
between the solution levels, add purified water
up to the UPPER LEVEL (maximum line).
If UPPER LEVEL is exceeded, it may cause
electrolyte leaks.
Important
Fast charging is not suitable for charging to
recover the battery left for a long time.
A high electrolyte temperature deteriorates
parts such as polar plates inside the battery
and shorten its lifetime.
LM331
Electrical system
Page 5-28
General inspection and repair