EN
ON/OFF switch to the ON position. This could cause serious damage to the booster or the vehicle.
Reverse the connections and the audio alarm will stop.
3. Turn the booster ON/OFF switch to the ON position.
4. Crank the engine. If the engine does not start within 8 seconds, stop cranking and wait at least 3
minutes before attempting to start the vehicle again. This permits the booster battery to cool down.
5. After the engine starts, immediately turn the booster ON/OFF switch to the OFF position.
6. Disconnect the booster from the vehicle, as described in section 4.6.
7. Return the battery clamps to the clamp holders. Recharge the booster as soon as possible after use.
7.2.
When using the other features of the booster, always observe the following steps:
1. Ensure the battery clamps are securely clipped on the clamp holders.
2. Charge the booster as soon as possible after using the feature.
7.3.
Powering a 12V DC device:
The booster is a power source for all 12V DC accessories that are equipped with a 12V acces-
sory plug. Make sure the device to be powered is OFF before inserting the 12V DC accessory
plug into the 12V DC accessory outlet.
1. Open the protective cover of the DC power outlet on the front of the booster.
2. Plug the device into the outlet and turn the device on (if required).
3. If the device draws more than 15A or has a short circuit, the circuit breaker of the booster will trip
and disconnect the power to the device. Disconnect the device and the beaker will automatically
reset. The DC power outlet is wired directly to the internal battery. Extended operation of a 12V
device may result in excessive battery drain. Recharge immediately after unplugging the device.
7.4.
Powering a USB Device
Note: Only suitable for Booster 12V Premium (Model 338993) and Booster 12/24V Uni
(Model 406736)
The booster is a power source for all accessories that are equipped with a USB plug. The USB
port provides up to 2.1A at 5V DC.
1. Ensure the battery clamps are securely clipped on the storage holders.
2. Press the USB button on the front of the unit.
3. Plug the device into the USB port on the front of the unit.
4. Turn the USB device on.
5. Reverse these steps when finished using the USB port.
NOTES: The USB port will shut-off automatically after 60 minutes, if no device is connected. Extended
operation of a USB device may result in excessive battery drain. Recharge the booster immediately after
unplugging the device.
8.
FUSE REPLACEMENT FOR THE BOOSTER
The booster is equipped with an inline fuse, to protect the battery from overload.
Fuse Specification:
Booster 12V Standard 369119 and Booster 12V Premium 338993:
Fast blow, DC automotive type, rated 32V, 300A (Bussman/Audio Ohm Srl)
Booster 12/24V Uni 406736:
Fast blow, DC automotive type, rated 32V, 500A (Bussman/Audio Ohm Srl)
Keep away from sparks and flame – battery could emit explosive gases.
WARNING
1. Allow the fuse to cool down completely (approximately 5 minutes).
2. Make sure the switch is in the OFF position and the unit is unplugged from the
external charger.
3. Remove the positive (RED) clamp from the side of the unit and locate the fuse
holder.
4. Open the fuse holder by removing its cover.
5. Using a wrench, remove the first nut and bolt securing the fuse on the positive
cable. Repeat the same steps for the second nut and bolt. Remove the open fuse
and replace it with a new one of the same type and rating.
6. Tighten the nuts and bolts to secure the fuse, and then replace the cover of the
fuse holder.
7. The unit is now ready to use.
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