Yamaha YW125Y_ Utility Trailer User Manual


 
3-50
CHK
ADJ
CHECKING AND CHARGING THE BATTERY
8 No charging is necessary when the open-
circuit voltage equals or exceeds 12.8 V.
b. Check the charge of the battery, as shown
in the charts and the following example.
Example
c. Open-circuit voltage = 12.0 V
d. Charging time = 6.5 hours
e. Charge of the battery = 20 ~ 30%
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5. Charge:
8battery
(refer to the appropriate charging method
illustration)
WARNING
Do not quick charge a battery.
NOTICE
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88
8 Never remove the MF battery sealing
caps.
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8 Do not use a high-rate battery charger
since it forces a high-amperage current
into the battery quickly and can cause
battery overheating and battery plate
damage.
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8 If it is impossible to regulate the charg-
ing current on the battery charger, be
careful not to overcharge the battery.
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8 When charging a battery, be sure to re-
move it from the scooter. (If charging has
to be done with the battery mounted on
the scooter, disconnect the negative bat-
tery lead from the battery terminal.)
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8 To reduce the chance of sparks, do not
plug in the battery charger until the bat-
tery charger leads are connected to the
battery.
Relationship between the open-circuit voltage
and the charging time at 20˚C
Open-circuit voltage (V)
These values vary with the temperature, the condition of
the battery plates, and the electrolyte level.
13.0
12.5
12.0
11.5
5 6.5 10
Charging time (hours)
Ambient
temperature
20˚C
Open-circuit voltage (V)
Charging condition of the battery (%)
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