Frequently Asked Questions - Projecta JS900 Manual

FREQUENTLY ASKED QUESTIONS

Q. Why didn't my jump starter start my vehicle?
A. There could be a number of reasons why the jump starter did not start your vehicle.
Check the following:
1. Ensure the jump starter battery is fully charged. Refer to page 8 ('Battery Status
Indicator') for further information.
2. Ensure you have followed the correct operating procedure. Refer to page 7
('Jump Starter Instructions').
3. Ensure the vehicle operates on 12V DC.
4. Ensure the vehicle being jump started is in the specified vehicle engine size of
the jump starter. For JS900 up to most 6.0 litre petrol vehicles and for JS1200 up
to most 7.0 litre petrol vehicles and 4.5 litre diesel vehicles.
Q. How often should I charge my jump starter?
A. The jump starter uses Lithium technology which self-discharges only a very small
amount. To be safe the jump starter should be charged at least every year to be
sure it is ready in case of an emergency.
Q. Can I charge the jump starter and use the USB output at the same?
A. Yes, the USB output can be used at the same time as charging via the USB input.
Q. What is Peak Amps?
A. Peak amps is the maximum current the battery in the jump starter can produce.
Q. What is Clamp Power?
A. Clamp power is the maximum current available at the clamps to start the vehicle.
Q. Why isn't my jump starter charging?
A. The jump starter will not charge above 45°C.
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