Connecting the clamps together can generate a spark and cause a short circuit which can damage the Powerbank.
Yes corrosion on the battery terminals will keep to clamps from making contact.
Scosche jump starter is designed to work on dead batteries that still have 4volts worth of power left so the Powerbank will not turn on if the battery is 100% drained. The Boost Button will override that feature and allow you to start a completely discharged battery if needed.
The Powerbank can be charged and discharged 1000+ times without causing any damage to the internal battery.
The Powerbank is backwards compatible and can jump an engine as low as 4 cylinders and as high as 10 cylinders.
No the PBL300 is only designed to jumpstart engines up to 6 cylinders (up to 3.5 liters).
The Powerbank can jump start a car up to 3 times on a full charge.
The Powerbank can hold a charge up to 6 Months.
Meet The New Emergency Kit Essential
This innovative versatile 300 amp battery jumper can quickly easily and safely jumpstart a wide range of vehicles with a powerful portable high-capacity Lithium-Ion battery plus you can charge mobile devices and the multi-mode flashlight maximizes visibility in the dark. Best of all it's spark-free. The PowerUp 300 compact jump starter works great on cars, trucks, boats, ATV/UTVs, and more.
Spark Proof Clamps
How many times have you messed around with jumper cables only to have the positive and negative touch? With most portable jumpers on the market you can cause a short circuit and permanently damage the unit when those clamps come in contact. Plus those sparks can be dangerous. The Scosche PowerUp 300 was designed with Spark Proof technology allowing you and the unit to stay safe should the clamps touch.
Extended Powerful Charge
The high-capacity 5 400 mAh Lithium-ion battery helps provide a peak jump start current of 300 Amps. This allows you to jump start a vehicle with Four to Six Cylinders (up to 3.5L). The PBJ300 compact jump starter can hold a charge for up to 6 months, and on a full charge, it can jump start a vehicle up to 3 times between charges.
Need some extra light? PowerUp 300 has you covered. With the built-in ultra-bright LED you're provided with plenty of light to find your battery terminals or your phone in the abyss under your seat. It illuminates the way wherever you may need it. The LED can also has a strobe and SOS flashing option.
More Than A Jump Starter – Also Includes a 5V USB Port
This 300 amp battery charger includes many other great features such as the ability to use as a backup battery for mobile devices. It provides you with a 5V / 2A USB port so you can quickly charge up your smartphone or tablet!
Never get stranded with a flat battery again. Scosche’s portable vehicle jump starters are UL Safety Certified, simple to use and quickly get you started and on your way.