Supports up to: 18800 mAh Power Bank at 500A current (less than 3 seconds) Jumper cable with clamps. Compatible with most 12V mini jump starters Reverse charge protection: No reverse charge to the unit after vehicle is started. Short circuit protection: Prevents short circuit from happening when two clamps are connected Overheat protection: Automatically stops working when the temperature gets too high. Reverse polarity protection: No damage happened when the clamps are connected to the wrong terminals Over-discharge protection: Effectively prevents the battery from being over-discharged in the jump starter Over-charge protection: Effectively prevents the battery from being over-charged in the jump starter Input/Output: 12V Working temperature: 0 Celsius -60 Celsius Gauge: 10 AWG; RED (+) 12.9 inches in length; BLACK (-) 12.5 inch Length Heavy Duty Alligator Clip with EC5 Connector (Fits Most Portable Car Jump Starters) Material: Plastic + Metal Color: As Shown Package Contents: 2 x