After years of service clamp ends on jumper cables, battery chargers and portable jump starter packs might lose their performance. The spring can become worn no longer creating a tight, strong contact. The protective coating can wear off making jump starting a dangerous task. Corrosion can form on the contact areas reducing performance. Replacing damaged or worn clamps on jumper cables, battery chargers and jumper packs is a lot cheaper than buying brand new equipment. Check out our replacement jumper clamps below.