›Product Support FAQs Tips Video Tutorials Downloads Manuals Contact Us HomeSupportRCX5 Tour de FranceFAQsHow do I change RCX5 battery? Selected Product RCX5 Tour de France (change) FAQs How do I change RCX5 battery? On this page RCX5 uses battery type CR2032. Follow these instructions to change the battery. Polar Service Centers will help you with any questions. Thank you for rating this document.