Linhai LH500ATV-D Owner's/Operator's Manual page 66

14.
BATTERY
corrosion. Avoid skin contact with electrolyte, severe burns could result.
3. First connect and tighten the red (positive) cable.
4. Second connect and tighten the black (negative) cable.
5. Reinstall battery cover and attach the hold down strap.
6. Verify that cables are properly routed.
NOTE:
 When you ATV is placed in storage for one months or more, the battery
should be removed, charged to proper level, and stored in a cool dry place.
 Before reusing, take the battery to your dealer for testing and recharging.
Power plug leads may need to be bent down so that battery cover may be
installed.
 When installing a new battery, make certain it is fully charged prior to it is
initial use. Using a new battery that has not been fully charged can damage the
battery resulting in a shorter life of the battery, It can also hinder vehicle
performance.
CAUTION
Your ATV is equipped with a 14Ah Battery. This may no be sufficient to provide
power for optional equipment. When installing optional equipment please
upgrade your battery as necessary. See your dealer for the proper battery.