2600mAh Spare Battery for Heated Apparel

Heated jackets, vests, and gloves solve the cold-weather problem beautifully — right up until the battery dies halfway through the day. If you've ever been out shoveling snow, hunting from a stand at dawn, walking a dog before sunrise, or working an outdoor shift, you know that heated apparel is only as good as the battery powering it. A single battery usually gets you through a few hours of warmth, which is great for a short errand but not enough for a full day on the slopes, a long shift outdoors, or an all-day hunt where the temperature only drops as the day goes on. When that battery runs low, your options are limited: cut the day short, huddle near a fire, or just tough out the cold until you get home to recharge. That's a frustrating trade-off when the whole point of heated gear was to avoid exactly that discomfort in the first place. Buying a whole new jacket or vest just to get more runtime doesn't make sense when the garment itself is fine — the battery is the bottleneck. Without a spare on hand, a fully charged battery from the night before is the only thing standing between a comfortable day outside and an early retreat indoors, and that's a risky position to be in once winter weather actually sets in.

This spare battery is built specifically to extend the runtime of Sharper Image heated apparel without any guesswork. It's a 3V/2600mAh rechargeable lithium-ion battery, matched to the exact specifications your heated jacket, vest, or gloves already expect, so it drops in and works the same way as the battery it replaces or supplements. Keeping one charged and ready means you can swap batteries partway through a long day instead of watching the heat fade out with no backup plan — charge one while you wear the other, and you effectively double your available warmth time. The battery ships on its own, so note that the charger is not included; it's designed to use the charger that came with your Sharper Image heated apparel, which keeps things simple if you already own the gear and just need more capacity. It's backed by a one-year warranty, so you're covered if the battery itself doesn't perform as expected over normal use. Because it's purpose-built for Sharper Image heated products rather than a generic universal battery, you don't have to worry about compatibility issues, incorrect voltage, or a loose fit — it's made to be a direct, reliable companion to gear you already trust for cold-weather comfort.

A spare battery like this earns its keep for anyone whose day doesn't stop when the temperature drops. Hunters heading out before dawn and staying through a full sit, ski patrol and lift operators working entire shifts in the cold, dog walkers and mail carriers covering long routes, and outdoor workers on job sites all benefit from having backup power instead of rationing warmth toward the end of the day. It's a practical add-on for anyone who already owns Sharper Image heated apparel and has noticed the battery running low before the day is actually over. As a gift, it's the kind of useful, low-effort present that solves a specific complaint rather than gathering dust — perfect as a stocking stuffer or add-on gift alongside a heated jacket or vest for someone who spends real time outdoors in winter. It also makes sense as a thoughtful gesture for a parent, partner, or friend who already loves their heated gear but mentions the battery dying too soon; handing them a charged spare means their next cold outing doesn't have to end early. Simple, specific, and genuinely useful, it's the sort of gift that gets used all season instead of sitting in a drawer.

• 3V / 2600mAh rechargeable lithium-ion battery
• Compatible with Sharper Image heated apparel
• Includes one (1) battery
• Charger not included (use apparel's included charger)
• Backed by a one-year warranty
• Compact, drop-in replacement design