Stop replacing batteries every 2 years. Chargie pays for itself in just 2 months — then saves you hundreds in replacement costs.
USB-A & USB-C • Works with any phone
Up to 100W • Windows, macOS, Linux & Chromebooks
Join 60,000+ customers who've extended their battery life by 4x
...due to prolonged charging. This is a proven fact.
💬 Talk to our AI about it
Simply plug in Chargie between your charger and device. It automatically stops charging at your set limit, extending battery life by 4x.
Connect the Chargie device between your phone or laptop and charger or wireless charging pad.
Download the Chargie app for iOS, Android, or Windows. Connect via Bluetooth and set your desired charging level.
Sleep. Work. Drive. Fly. Camp. Do your thing. Your charging process is covered.
Compatible with iOS 13+, Android 7+, Windows & Linux
The smartest investment for your devices — pays for itself in weeks.
// new year, new battery habits
⚡ + FREE smart cable with power display + FREE SHIPPING!
⏰ This week only — ends Sunday
Start Saving Now →Electric cars last 500,000+ miles because they never charge to 100%. The same science protects your phone and laptop.
Chargie automatically stops charging at your chosen level — preventing the heat and voltage stress that kills batteries. It's the easiest way to double or even quadruple your device's battery lifespan.
Our in-house developed firmware and app are based on scientific data and recommendations from battery manufacturers.
Read about the science behind →
Nokia Labs in Romania chose Chargie to protect their development phones during intensive 24/7 testing cycles. Why? Because when you're testing phones around the clock, battery health is critical.
Chargie was the only solution that delivered both smart charging limits AND maintained USB data connectivity. If it's good enough for Nokia's R&D lab, it's good enough for your devices.
Even at 100%, Chargie stops charging until battery drops to 95%, then restarts. This dramatically reduces stress on your battery.
Automatically stops charging in high temperatures. Factory thresholds (50°C) are too high — Chargie protects at lower, safer temperatures.
Works for any device that can't run apps. Perfect for watches, cameras, or phones that are turned off.
Keep phone at 50-70% during the night, top up to your choice in the morning. Best of both worlds.
For longer battery life. Slower charging = cooler battery = longer lifespan.
For Android Auto/PC connection. Maintains USB data connectivity while limiting charge.
Robert (Killburn, Australia): "We have kiosk booking devices, which are basically mobile phones, that we deploy to customers. These phones are on 24/7. Some phones would fail after a number of months with battery issues, due to being constantly on charge. We now use Chargies on all devices to better manage the charging cycle. This has substantially extended the life of our booking devices."
Fun fact: some people keep stealing Robert's Chargies (they're displayed in public places), so he keeps ordering new ones. We feel flattered people take the risk of stealing Chargie devices, but it's so sad it happens. To anyone involved, please don't do it any longer, theft is a bad thing.
Chargie's "Top Up Scheduler" has the unique ability to keep your phone at a safe state of charge during the night (50 to 70% is best) and only top it up to a value of your choice in the morning, just before you wake up.
This allows you to both protect your battery health by avoiding prolonged high states of charge and still use the phone at its full battery capacity. It's much better than current stock solutions implemented by some manufacturers.
Sometimes, it's better to just stop charging in high temperature situations, like when using your phone as a navigation device on your car dash in hot summer days.
Heat degrades the battery's internal structure more than anything. All phones have overtemperature protection, but the factory threshold is often set too high (50°C / 122°F). Chargie allows you to charge at much lower temperatures automatically.
See how Chris uses this in his car →
Distribute multiple Chargie devices across the places you frequent. With a Chargie at home, workplace, and vehicle, you will seamlessly maintain your device's battery at mid levels throughout the day.
The app will detect and connect to them automatically. The convenience lies in the effortless transition from one Chargie to the next.
Chargie has apps for iOS 13+, Android 6+ and Windows 10+. We test on various Apple, Samsung, Xiaomi, Huawei, Google, OnePlus devices and Windows laptops.
Actually, Chargie will even work with your Watch or any other device that has a battery by using its built-in Hardware Limiter. Just configure its power threshold to 1.2W.
A typical smartphone charges up to 100% and then keeps the battery in that very high state (around 4.35 volts) until the user disconnects. The battery is protected from thermal runaway by its internal circuitry, but the measures taken happen at extreme values, not optimized for long battery life.
Holding a 100% charge for many hours induces voltage- and heat-related stress and damages the internal lithium lattice at a molecular level. Limiting charge below 100% or releasing it once topped up has hugely beneficial effects.
An optimized charging process can take a normal phone battery from 250 cycles to more than 1000 before degradation.
A battery above 30°C (86°F) is elevated temperature. For most Li-ion, voltage above 4.10V/cell is high voltage. Exposing the battery to high temperature while at full charge for extended time can be more stressful than cycling.
The damage each cycle does depends on depth of discharge, time of charge, and temperature. Five 40-60% cycles don't do the same harm as one 0-100% cycle then keeping it fully charged.
Besides limiting charging, Chargie's hysteretic algorithm makes sure that even if you charge to 100%, the process stops until the battery discharges to 95%, then restarts. This is way less stressful and dramatically prolongs lifespan.
Practically, keep charge between 20% and 90% for best results. By applying hysteretic charging, the risk of battery swelling and fires is greatly reduced.
Chargie has a tiny amount of gold deposited onto every inch of board and its connectors.
This is great because the production process is lead-free, gold doesn't oxidize, and it is one of the best treatments for copper.
Your Chargies will last much longer in harsher and wetter environments. Gold does not rust.
Our newly redesigned app, hardware and firmware are fully packed with new functionality:
Now you can limit charging of any lithium ion battery, or a phone that's shut off. It cuts power at ~90% based on automatic power measurements.
Chargie A GE and Chargie C Basic have a mode that doesn't cut power completely, so it works with Android Auto and USB tethering.
If your load consumes more power than it should, Chargie automatically cuts it off and restores it when rebooted.
Chargie A GE is 25% shorter and 10% thinner than Founder Edition. Chargie C is even smaller.
LEDs are now configurable — they turn off automatically when your phone's screen turns off, reducing nighttime light pollution.
To figure out how long it takes to recover the investment: divide the cost by the cost of replacing a $1,500 phone at 10% average yearly degradation.
$25 (Chargie) / $428.57 per year ≈ 0.06 years (less than a month)
If your phone cost $500, it'll take about three months. But the non-degrading battery experience will totally be worth it.
Read the entire article →
The electronics industry is one of the greatest sources of pollution. Since 2015, phone manufacturers started gluing batteries inside phones, making them very difficult to repair once capacity depletes beyond comfortable usage levels.
From our calculations, Chargie has saved around 5,500 metric tons of CO2 since 2019. After you upgrade, you can donate your old phone to someone in need — that person may use it for many more years, preventing even more pollution.
Just juice your phone through Chargie and in a few months you'll see the difference. Battery life will be like when it was new. We still have customers using the original 2019 Founder Edition every night!
There have been cases where people sleeping with phones under the pillow died because the battery caught fire. 45% of parents and 30% of children sleep with devices plugged in. With Chargie's scheduler at 50%, fire risk is close to zero.
Demo phones in shops stay connected to mains, destroying their batteries. After months they start swelling or catch fire. Chargie ensures partial charging, near-zero damage, and higher resale value.
Phones used as surveillance equipment often run on solar power with batteries at 100% all the time. Risk of swelling, fire, and malfunctioning. With Chargie at 50%, fire risk is zero.
Professional drivers use tablets as navigation for thousands of hours in direct sunlight. Hot batteries + full charge = dangerous. Chargie limits to 50%, greatly reducing damage and fire risk. Fleet management coming soon!
Chargie's hardware limiter protects regular batteries without smart capabilities. By measuring instant power and detecting thresholds, it cuts power without needing an app.
★★★★★"Upon morning awakening I remove my S10+ from the wireless charger confident it'll be at 70% state of charge. Chargie's simplicity has improved my quality of life."
★★★★★"Working perfectly. My old Sony phone had this feature built in, and this had best battery longevity of any phone I've had. New phone doesn't, so got a chargie."
★★★★★"I can't believe someone finally made this. I was monitoring my phone battery for years, and now it's just plug and play. I ordered 3, for my car, my office and my home."
★★★★★"I just started using this last night and I'm so excited! I think it's revolutionary - not only will this extend and preserve my phone's battery, I'm conserving energy!"
All of our customers are notable people who chose to invest in an original technology and its early stage development. However, you may have heard about some of them.
Note: We are not affiliated with any of these companies. All logos are trademarks of their respective owners.
The video below was shot on an actual production line of Chargie in Romania.
It might, but if you want what's best for your phone's battery health, Chargie is the better solution. Phone manufacturers have only implemented very fixed charge limiting settings, if at all.
Chargie is the only device capable of scheduling and limiting the charging of a device to an extent that stock phone firmware will never be willing to do.
Enjoy that new gadget feeling for years, be it a phone or a laptop!
2 Months ROI. Get your own Chargie
4-5 days average delivery time anywhere in the world, from our Shenzhen warehouse
Top notch security (Cloudflare) and world's most reliable payment processors. We don't store sensitive payment details.
*EU Customers: VAT for many countries is variable and thus only added in the Checkout page.
🛒 Get Your Chargie NowChargie is a hardware and software solution. Although it may look like this is just about the hardware device, thousands of hours of development and testing are continually invested in the app. Your purchase directly contributes to innovation, tooling and the evolution of this project.
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