Charging The Flight Battery; Battery Charging Codes; Low Voltage Cutoff (Lvc) - BNF Blade 300 X Instruction Manual

Charging the Flight Battery

The Blade 300 X comes with a DC balancing charger and 3S Li-Po battery. Use
only Horizon Hobby approved battery packs and chargers compatible with this
product. Never leave the battery and charger unattended during the charging
process. Failure to follow the instructions properly could result in a fire. When
charging, make sure the battery is on a heat-resistant surface. Charge the
flight battery before binding the aircraft or performing control tests.
The Battery Charging Process
1. Charge only batteries that are cool to the touch and are not damaged. Inspect the battery to make sure it is not damaged e.g., swollen, bent, broken or
punctured.
2. Connect the charger to a 12V power source, noting proper polarity.
3. The CHARGE STATUS LED glows solid red.
4. Connect the battery balance lead to the charger. The balance connector is keyed to prevent reverse polarity.
5. The CELL STATUS LEDs glow solid green or yellow and the CHARGE STATUS LED glows solid red when the battery is charging.
6. Charging is complete when all LEDs glow solid red.
7. Always unplug the battery from the charger immediately upon completion of charging.
CAUTION: Only use a charger specifically designed to charge a Li-Po battery. Failure to do so could result in fire causing injury or property damage.
CAUTION: Do not exceed manufacturer's recommended charge rate.

Battery Charging Codes

Cell Status LEDs
Off
Yellow
Green
Red
Off

Low Voltage Cutoff (LVC)

Once the battery reaches 9V under load, the ESC will continuously lower power
supplied to the motor until complete shutdown occurs. This helps prevent
over-discharge of the Li-Po battery. Land immediately once the ESC activates
LVC. Continuing to fly after LVC can damage the battery, cause a crash or both.
Crash damage and batteries damaged due to over-discharge are not covered
under warranty.
Repeatedly flying the helicopter until LVC activates will damage the helicopter
battery.
EN
Charge Status LED
Red Solid
Red Solid
Red Solid
Red Solid
Blinking Red
DC Li-Po Balancing Charger Features
• Charges 3-cell lithium polymer battery packs
• 1.8A charge rate
• LED charge status indicator
• LED cell balance indicator
• 12V alligator clip input cord
Specifications
• Input power: minimum 3A at 11.5–15V DC
3S 11.1V 1350mAh 30C Li-Po Battery Pack (E-flite EFLB13503S30)
The Blade 300 X 3S Li-Po battery pack features a balancing lead that allows
you to safely charge your battery pack when used with the included Li-Po bal-
ancing charger. The included flight battery is safe to charge up to 3C (4.05A).
CAUTION: The balance connector must be inserted into the correct port
of your charger prior to charging.
Instruction
Battery charger is powered. Li-Po battery is not connected.
Li-Po battery is connected. Charger is balancing the battery pack cells
Li-Po battery is connected and charging
Li-Po battery is connected and charging is complete
No Li-Po battery connected: Voltage is outside the input voltage range
Li-Po battery connected: At least one battery cell voltage is below 2.6V
Disconnect and remove the Li-Po battery from the aircraft after use to prevent
trickle discharge. During storage, make sure the battery charge does not fall
below 3V per cell.
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