User Manual

GETTING STARTED

CAUTION: Before charging, always ensure you have chosen the correct battery chemistry type for the battery

you are charging.

CAUTION: Never connect the AC and DC input cords to an active power source at the same time. This will void

the warranty, cause product damage and possibly injure the user.

WHEN USING AN EXTERNAL DC POWER SOURCE:

1. Connect the DC power cord to the charger DC Power Input Port.

2. Connect the DC power source.

3. When the charger is powered ON, a message will appear on the LCD Screen.

WARNING: Always connect cable polarities correctly.

NOTICE: Always consult 12V battery collateral materials or Horizon Hobby before using with sources other than a

standard AC wall outlet.

DC POWER DISTRIBUTION

When powered from a DC power source, the P4 charger has a maximum charging output of 300 watts total power. 100

watts are allocated for channels A and B (each) and 50 watts per channel on channels C and D (each). Power Allocation is

ﬁxed when operating from a DC power supply. Select the chosen channel with the Port selection button.

WHEN USING AN AC POWER SOURCE:

1. Connect the AC power cord to the charger AC Power Input Port.

2. Connect the AC power cord to the AC power source.

3. When the charger is powered ON, a message will appear on the LCD Screen.

AC POWER DISTRIBUTION

When powered from an AC power source, the P4 charger has a maximum charging output of 200 watts total power.

The power can be allocated as needed; allocations can be made in the AC Max Power Set screen.

4. Select the chosen channel with the Port selection button

5. Press the BATT/PROG button to access the BATT/PROGRAM SYSTEM SETTINGS menu.

6. Press ENTER/Start to enter the system settings menu, use the INC (increase) or DEC (decrease) buttons to select the

AC Max Power Set screen. Press ENTER/Start and the wattage value will begin to ﬂash.

7. Use the INC (increase) or DEC (decrease) buttons to adjust the wattage for the selected channel (charge port).

Making changes to one channel will adjust the available power on the corresponding linked channel. Channels A and

C are linked and channels B and D are linked.

• Adjustment ranges for Channels A and B are 50 – 100 watts

• Adjustment ranges for Channels C and D are 0 – 50 watts

CONNECTING BATTERIES TO THE CHARGER:

1. Disconnect the battery charger from the AC or DC power source before connecting or disconnecting the battery.

2. Connect the charger to the power source

3. Select charge port (A,B,C, or D).

4. Select the charging settings.

5. Connect the banana plugs of the battery adapter cable to the Power Output of the selected charge port (A,B,C, or D),

making sure that the positive and negative connectors are not reversed.

6. Connect the battery connector to the battery adapter cable, if charging LiPo or LiFe, connect the balance board as well.

7. Start battery charging.

CAUTION:

Always power ON the charger before connecting a battery, or damage to the charger and the battery can

result.

CAUTION:

For Pb (lead acid) batteries, Always connect/disconnect the battery before powering ON the charger, or

damage to the charger and the battery can result.