Helicopter Battery Charging - SYMA S51H User Manual

Note:
!
1. Please make sure that the forward and reverse propeller blades are installed in the correct position.
If the installation is incorrect, the helicopter will not be able to fly normally.
2. Since the propeller blades are thin, please be careful when installing them to prevent accidental
scratches.
3. Please use the propeller blades provided by our manufacturer.
4. The blades are consumables, if necessary, please purchase additional accessories.

3.2 Helicopter Battery Charging

1. Switch the helicopter to "OFF".(NOTE: Before recharging the battery, wait for 10-15 mins
to let the battery cool down)
2. Connect the charging cable with the arrow icon to the helicopter correctly according to
the instructions in the picture and reverse connection is not allowed.
3. Insert the other end of the charging cable into the port of the computer and the indicator
light is off at this time.
4. The red indicator is on when fully charged.
Important: battery charging information
1. Rechargeable batteries should only be charged under the supervision of adults.
2. Caution: Risk of explosion if battery is replaced with incorrect ones. Please dispose the batteries
according to the instructions.
3. Don't use or leave the battery near a heat source such as fire or heater.
4. After flying, don't charge batteries at once to avoid batteries too heat to cause to the fire, make sure
it cool down before charging.
5. Don't hit or let batteries fall down when charging to avoid inner short-circuit.
6. Only use the supplied adapter for charging. If the battery is aging, please replace it with a new
battery in time.
7. After fully charged, please remove the adapter in time, otherwise the battery will be discharged and
charged again, which will shorten the battery life.
8. The toy is only to be connected to Class II equipment bearing the symbol:
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