Remember the Samsung Galaxy Note 7 fires? Those photos of burnt devices and destroyed bags brought battery safety into the limelight like never before. It was’nt just a warning for manufacturers; it was a wake-up call for all of us who leave our devices plugged in without a second thought, believing everything’ll work perfectly. Sure, lithium-ion batteries are amazing, but they’re also pretty finicky when pushed to their limits. From overheating hoverboards to old smartphones that barely last 5 hours on a full charge, it’s pretty clear: how we charge them matters more than we like to admit.
That’s where Chargie comes into play, providing a simple, classy solution to a problem we often overlook. This tiny device slots into your laptop’s charger, managing how and when your battery charges. Thanks to its companion app, it cuts off overcharging and helps prolong the life of your battery. You know how your old smartphone needs recharging multiple times a day? Chargie helps prevent that from happening to your laptop.
Designer: Ovidiu Sandru
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You might be wondering, “Does my laptop really need this?” Let’s discuss. Lithium-ion batteries—the heartbeat of almost all laptops—don’t like extremes. If you constantly keep your device plugged in, you’re effectively running a marathon at a sprint. Result? Reduced capacity over time. Enter Chargie, the unsung hero that gives you control of how and when your battery gets charged.
Imagine this modest little device, no bigger than a USB stick, that plugs right into your charging setup. It’s not flashy—no blinking lights or fancy designs. But beneath that minimalist vibe is some smart tech, including a hardware limiter and a Bluetooth Low Energy chip. Alongside its app, Chargie allows you to limit your battery’s charge to, let’s say, 80%, or plan charging times to fit your schedule. No more overheating your battery overnight just ‘cause you forgot to unplug it.
The tech behind Chargie is impressive but not overwhelming. It supports up to 100W of power, making it suitable for everything from a light Chromebook to a heavy-duty gaming laptop. Plus, it’s compatible with major platforms like Windows, macOS, and ChromeOS. No proprietary issues to deal with—just tech that understands what you need. There’s also something satisfying about seeing such a tiny gadget tackle a frustrating problem so efficiently.
What I really appreciate is how Chargie changes the way we view our devices. Laptops aren’t meant to be disposable, but we often treat them like they are. Each time a battery wears out and needs replacement, it’s not only annoying but also costly and wasteful. Chargie might not save the world single-handedly, but by extending your battery life, it helps cut down on the number of batteries piling up in landfills… or worse, batteries puffing or exploding due to overcharging.
The Chargie first launched for smartphones in 2019, and after moving over 50,000 units, designer and ethical hacker Ovidiu Sandru got a bunch of feedback about how the Chargie would be perfect for laptops. Essentially, the laptop version of the Chargie works almost exactly like the smartphone model. It mainly has a hardware limiter and a BLE chip. The laptop app informs Chargie of your battery’s percentage (thanks to real-time Bluetooth communication), and when it reaches the set level, the hardware limiter cuts off power to the laptop.
The app is easy to use, and practically foolproof, meaning anyone can handle it. Available for macOS, Windows, and ChromeOS, it turns the sometimes complicated concept of battery health into a user-friendly journey. You can adjust the charge rate to minimize heat (another silent battery killer), and the app runs quietly in the background once your settings are tuned in. It’s a “set it and forget it” solution designed for those of us with busy lives. No constant checking needed, no steep learning curve—just an app that does what it’s supposed to.
Priced under $50, Chargie won’t break your bank. It’s reasonably priced, especially when you consider the savings on battery replacements—or worse, having to get a whole new laptop. This device acts as a middleman between your laptop and the power source. It’s perfect if your laptop charges through USB-C (you can just plug your laptop charger into Chargie, then hook the Chargie to your device), but if you’re working with an older model, no worries: it comes with adapters designed for barrel-connector laptops like those from HP and Dell.
If you’re someone who appreciates gadgets that simplify life—or if you’re just tired of your laptop battery failing you when you need it most—Chargie might just become your new go-to. It’s small, smart, and doesn’t ask much of you, which is probably more than most tech we deal with. At the very least, it eliminates one excuse for your battery troubles. At best, it’s a tiny miracle worker inserting itself quietly into your life.
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