"What Our Gearhead® Experts Are Saying:""I rely on the Mark 3 Battery for long camping trips. It’s rugged, packs a punch with 1022Wh, and charges up surprisingly fast—perfect for staying cool and charging my gear. Plus, it’s stackable if I need...
"What Our Gearhead® Experts Are Saying:""I ran the Mark 3 Plus out of a van on a desert trip where afternoon temperatures were genuinely brutal, and it dropped the interior temperature noticeably within the first few minutes of turning it on. The fact...
"What Our Gearhead® Experts Are Saying:""I ran the Mark 3 Plus in a van build during a stretch of hot desert travel and it handled the afternoon heat without any complaints, cycling through Cool and Sleep modes depending on what I needed. The IPX4 rating...
"What Our Gearhead® Experts Are Saying:""This is the setup I recommend for anyone getting into off-grid AC for the first time. The single battery gets you through a solid night of cooling, pass-through charging via solar keeps the runtime going on longer...
"What Our Gearhead® Experts Are Saying:""I took the Mark 3 setup on a week of off-grid camping last August and it completely changed how I approach summer trips. Two batteries gave me enough runtime to sleep cool through back-to-back hot nights, and...
What Our Gearhead® Experts Are Saying:“I tested the Mark 3 during a week of off-grid camping, and it’s a total game changer for hot nights. It cools a small tent quickly and is so easy to set up—no complicated hoses or generators. The weight is...