HELI green Series, Operator'S Manual

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For battery compartment without liquid leakage hole, check if there is hydrops
inside of compartment every month. If there is electrolyte spillage caused by
improper adding of distilled water, please clean the hydrops in the compartment
with sucker in time.
Do not charge the battery which had the following conditions:
a) the electrode of plug is damaged;
b) the terminal and cable are rusted.
These cause sparks, damages of burn and ignite explosions.

Charge after turning off the key switch.

Check for specific gravity of all cells before charging.

Pulling out or putting on the plug should be done by holding plug itself but not
cable. When cable and plug are damaged, contact with sale department of our
company and replace them.

When disconnecting the charging of battery, operate it according to the
OPERATION AND SERVICE MANUAL of the charger.

Do not pull out the plug when charging the battery, or spark may be caused.
(4) Notes when charging
CAUTION:

When charging the battery, hydrogen gas is occurred and it is very dangerous. No
smoking.

Charge the battery where is well ventilated and is not humid and away from
ignite.

During charging, electrolyte may drop on the ground, so the ground surface
should endure acid and be very easy to drain.

During charging, explosive gas is produced. It is very dangerous and do not let
cigarette and other fire approach it.

During charging, do not disconnect the battery plug, it is not only very dangerous
and insufficient charging may be caused.

During charging, turn off the key switch for safety.