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Collection: Battery & Charger

Firoth premium quality rechargeable lithium-ion batteries are specifically designed for heated clothing, ensuring you stay warm all day long. The large capacity but lightweight design provides all-day heat performance, giving you the freedom to stay comfortable without compromise.

7 products

Reliable, Long-Lasting Power for All-Day Warmth

Running low on power? Don't let the cold slow you down. Our high-performance 5V batteries are engineered to deliver steady, consistent output—giving you extended hours of warmth whether you're commuting through the city or exploring the outdoors. From heated gloves and socks to jackets and vests, Firoth batteries keep your gear performing when you need it most.

Choose a battery system you can trust. Whether you're layering heated base layers or running a full heated jacket setup, our power packs provide the dependable performance that makes the difference between comfort and compromise.

One Battery System Powers Your Entire Heated Collection

All Firoth 5V heated gear shares the same battery platform—jackets, vests, base layers, hand warmers, gloves, socks, and slippers. That means one spare battery backs up multiple pieces of your heated lineup. Each 5V power bank also functions as a phone charger, so you can keep your devices topped up at the campfire or trailhead. Pair any battery with our 5V wall charger and power cord kit for convenient home charging. Note: Blankets and gear powered by AA, 3V, or 3.7V batteries require different systems and are not compatible with 5V packs.

USB Rechargeable for Daily Convenience

Skip the disposable battery cycle. Simply plug your Firoth battery into any USB power source when you're done for the day, and it's ready for your next adventure. This rechargeable design saves money over time and eliminates single-use waste—a practical choice for anyone serious about comfort and sustainability.

Why Firoth for Heated Gear

We build heated clothing for people who refuse to compromise on warmth or style. Our range spans gloves, socks, vests, jackets, and hats—each designed with weather-resistant materials and intuitive button controls so you can fine-tune heat output in seconds. The modern aesthetic works with any outfit, and ergonomic construction means you'll forget you're wearing technical gear. Every product includes a 1-year warranty and fast shipping, so you can order with confidence.

Stay Warm, Stay Ready

Explore Firoth batteries and heated apparel to build a warmth system that matches your lifestyle. Whether you're facing winter commutes, outdoor expeditions, or unpredictable weather, reliable power and thoughtful design deliver the comfort that keeps you moving.

Power Banks & Chargers

Frequently asked questions

What is the average runtime of a heated jacket powered by a power bank?

The runtime of a heated jacket powered by a power bank depends primarily on two factors: your power bank's capacity and the heat setting you select. A fully charged power bank typically delivers heat for anywhere from three to eight hours, though this varies significantly. Running your jacket on a lower heat setting can extend this window considerably, sometimes doubling the duration. For the most accurate estimate, consult your jacket's manual—manufacturers usually provide runtime charts that show expected performance across different heat levels and battery capacities.

When selecting a power bank for heated jackets, prioritize capacity—measured in milliamp hours (mAh)—as this directly controls runtime and heat duration. A higher capacity enables longer wear sessions without recharging. Seek power banks with multiple USB output ports to ensure broad compatibility across different heated garment models and brands. Fast charging capability becomes valuable if you're using the jacket frequently and need quick turnaround between sessions. Weight matters too; a lightweight power bank won't add unnecessary bulk to your gear, making it practical for extended outdoor activities. Finally, check that the power bank's voltage and amperage output align with your jacket manufacturer's specifications—mismatched power delivery can reduce heating effectiveness or damage the garment's heating elements.

Not every power bank will work effectively with your heated jacket. The key is matching the power bank's voltage and amperage output to your jacket's specifications—using an incompatible unit can reduce heating performance or potentially damage the heating elements. Before purchasing, check your jacket's manual for the required electrical specifications and confirm that any power bank you choose has a compatible output port and sufficient power delivery capacity to maintain consistent warmth.

The right power bank capacity depends on your heated jacket's power consumption and your intended usage duration. Most heated jackets perform optimally with a power bank rated 10,000 mAh or higher, though specific requirements vary by model. Start by reviewing your jacket's manual or product specifications to identify its wattage or amperage draw. Once you know this figure, you can calculate runtime: divide the power bank's capacity (in watt-hours) by the jacket's power consumption to estimate how many hours of continuous heat you'll receive. For example, a 20,000 mAh power bank at 5V delivers roughly 100 watt-hours—sufficient for most heated jackets across a full day of outdoor activity. If you frequently use your jacket in cold conditions or prefer higher heat settings, consider upgrading to 15,000 mAh or 20,000 mAh capacity to eliminate mid-day recharging concerns.

Firoth Battery Packs & Chargers for Heated Clothing

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