phone battery Struck down by altitude sickness, 2 hikers signal for help just before cell phone batteries die Always carry reliable communications devices when venturing into the backcountry How to keep your phone charged on a hike: 8 tips to boost battery life Phones have an annoying propensity to die when you need them the most - here’s how to avoid turning yours into the world’s most expensive rectangle How to keep your phone warm in cold weather: 6 easy tips Try these cold weather hacks to keep your phone from dying on your winter expeditions Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Run clubs, cold plunges, mindfulness walks and rest days – these are the top outdoor fitness trends we're expecting in 20252These 7 outdoor fitness trends will be everywhere in 2025 – here's the gear you need to get started3"I was over the moon" – Courtney Dauwalter's love affair with Salomon brand to continue for another 5 years4This Leatherman multi-tool is the perfect sidekick for hikers and there are still a few days left to save 20% in REI's Christmas sale5UTMB runners will have access to personalized online coaching in 2025, thanks to new partnership with RunMotion Coach