Sym Wolf SB 250 Ni Service Manual page 211

Voltage inspection
Measure the battery voltage by using a digital
multimeter.
Voltage
Fully charged: 14.0~15.0V (20°C)
Insufficiently charged: 12.3V (20°C)
Charging
Remove the battery cell caps.
Connect the charger positive (+) cable to the
battery positive (+) terminal.
Connect the charger negative (-) cable to the
battery negative (-) terminal.
Warning
Avoid any fire near the battery during

charging.
Control the charging from ON/OFF on the

charger, do not disconnect the cables.
Before or after charging, always turn off

the charging machine to avoid explosion
caused by sparks.
Follow the regulated charging current and

time shown on the battery.
Caution
Do not charge the battery quickly except

for emergency situation.
Confirm the charging current and time

before charging the battery.
Excessive charging current or time will

damage the battery.
After charging the battery, wait for 30

minutes and then measure the battery
voltage.
After installing the battery, coat the terminal
w ith grease to avoid oxidation.
14. Electrical system
14-7