Jumper cables and portable jumper boxes are both ... you can also use the JumpSurge3000 like a power bank to charge electronics via its USB Quick Charge 3.0 port. What’s more, it comes equjipped ...
When the second battery is connected, the electronics automatically determine the polarity and switch it as needed. A set of these smart jumper cables runs about $30 to $40. GREENVILLE ...
For years, the answer to a dead car battery was to hook it up to another vehicle using jumper cables. But ... to the batteries and even the vehicle electronics if something goes wrong.