CTEK’s comfort indicator Pigtail offers a convenient way to connect from a standard style O. E. , SAE or aftermarket pigtail lead to your CTEK products. The Comfort Indicator Pigtail eliminates the need to reinstall new eyelet terminals on your battery or disconnect your O. E. plug if it is used for other accessories. Easy to install and the 3 LED lights are different colors for easy to read results. Red indicates a charge less than 40 percentage, yellow is a charge above 40 percentage but fewer than 90 percentage and the green light indicates a charge over 90percentage. The comfort indicator pigtail comes standard with an end cap attached to ensure the connection stays in good condition while not in use. All CTEK products are delivered with a 5 year limited from the original purchase date. The limited is not transferable and only covers manufacturing faults or material defects. is only honored if product and original receipt are returned together to the retailer. is void if the battery charger has been opened, handled carelessly or repaired by anyone other than a CTEK Power or its authorized representatives.