Your satellite phone is useless with a dead battery. Out here—whether you're deep in the Alaskan bush, crossing a desert, or riding out a hurricane—wall outlets don't exist. That's where portable battery packs come in. These aren't the cheap power banks you grab at an airport kiosk. We carry off-grid batteries designed for real-world punishment: extreme temperatures, dust, moisture, and the kind of abuse that comes from living out of a pack for weeks at a time. The right power bank keeps your sat phone, GPS, and tracking devices charged so you can send that critical message when it matters most. We stock units with high-capacity lithium cells, multiple output ports, and rugged housings that can take a beating.
Battery Packs
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Battery Packs
5 results
Reliable Portable Battery Packs Built for the Backcountry and Beyond
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Expert Tip: Power Management for Satellite Devices
Always carry a power bank with at least 20,000mAh capacity when operating satellite devices. While your Iridium phone may offer strong standby time, active calling and data use can drain the battery quickly. A solar-compatible battery pack allows you to recharge during the day while on the move, keeping your communication lifeline active.
Cold weather significantly reduces lithium battery performance. In freezing conditions, store your power bank inside your sleeping bag or close to your body overnight to preserve charge capacity. Proper power management ensures your satellite phone remains operational when you need it most.
FAQs:
- How long will a battery pack keep my satellite phone charged? A 20,000mAh battery pack can fully charge an Iridium Extreme approximately 8–10 times. For extended expeditions, that can provide up to two weeks of regular use including calls and messaging.
- Can I charge my battery pack with a solar panel? Yes. Most battery packs are compatible with portable solar panels. Choose units with solar input or standard DC charging ports, and pair them with a 21W or higher panel for reliable off-grid charging.
- Are these battery packs safe for airline travel? Battery packs under 100Wh (approximately 27,000mAh at 3.7V) are permitted in carry-on luggage by most airlines. Always transport battery packs in your carry-on bag, not in checked baggage.
- Will extreme cold affect my battery pack? Yes. Lithium batteries lose capacity below 32°F (0°C). In cold environments, keep your battery pack insulated—body warmth works effectively. Some rugged models are rated for temperatures as low as -4°F (-20°C).
- How do I choose the right battery pack capacity? Match the battery capacity to your device setup. For a single satellite phone, 10,000mAh is the minimum recommended. For multi-device setups (phone, GPS, tracker), choose 26,800mAh or higher for extended reliability.