
Protect your battery while you sleep
When your device reaches 100%, charging should be finished.
However, most chargers remain connected and continue topping up your battery throughout the night. This repeated trickle charging can create unnecessary heat and battery stress over time.
VoltGuard™ monitors your charging current and automatically disconnects power when charging is complete—just like unplugging the charger for you. This helps eliminate overnight trickle charging and supports long-term battery health.
Prevent Heat and Battery Wear While You Sleep
Most chargers remain connected even after your battery reaches 100%, sending small top-up charges throughout the night.
While your device manages charging internally, it can still stay warm and cycle repeatedly to maintain a full battery.
VoltGuard™ monitors charging current and automatically disconnects power when charging is complete—just like unplugging your charger for you. This helps eliminate overnight trickle charging, reduce heat, and support long-term battery health.
Protect your battery without sacrificing fast charging.
Most devices include built-in charging protection, but they often remain connected all night—continuing small top-up charges that generate unnecessary heat and battery stress.
VoltGuard™ solves the root cause by automatically disconnecting power the moment your battery reaches 100%. It’s like unplugging your charger for you, eliminating overnight trickle charging while preserving full-speed charging up to 140W.
Trusted in real conditions
Used nightly by professionals, travelers, and everyday users who want smarter charging and better battery protection.
95%
Report their devices stay cooler overnight after using VoltGuard™.
93%
Say VoltGuard™ outperforms standard charging for overnight battery protection.
89%
Would recommend VoltGuard™ to anyone who charges their devices overnight.
Based on 12,000+ verified customer reviews.
What Our Customers Say...
FAQs
What is VoltGuard™?
What is VoltGuard™?
VoltGuard™ is a smart USB-C adapter that automatically disconnects power when your battery reaches 100%, helping reduce overnight heat and unnecessary trickle charging.
How does VoltGuard™ work?
How does VoltGuard™ work?
VoltGuard™ monitors your device’s power draw while charging. Once your battery is full and power demand drops, it cuts the electrical connection completely—just like unplugging your charger for you.
Does VoltGuard™ stop charging completely?
Does VoltGuard™ stop charging completely?
Yes. Unlike standard chargers that remain connected, VoltGuard™ physically disconnects power once charging is complete.
Will VoltGuard™ slow down charging?
Will VoltGuard™ slow down charging?
No. VoltGuard™ supports up to 140W USB-C Power Delivery, so your devices continue charging at full speed.
What devices is VoltGuard™ compatible with?
What devices is VoltGuard™ compatible with?
VoltGuard™ works with most USB-C devices, including:
- iPhone 15 and newer
- Android phones
- iPads and tablets
- MacBooks and USB-C laptops
- Wireless earbuds and other accessories
Can I use VoltGuard™ with my laptop?
Can I use VoltGuard™ with my laptop?
Yes. With support for up to 140W charging, VoltGuard™ is powerful enough for high-performance laptops.
Does VoltGuard™ help extend battery life?
Does VoltGuard™ help extend battery life?
By eliminating overnight trickle charging and reducing unnecessary heat, VoltGuard™ can help reduce battery stress over time.
Is it safe to leave my device charging overnight with VoltGuard™?
Is it safe to leave my device charging overnight with VoltGuard™?
Yes. VoltGuard™ is specifically designed to disconnect power automatically when charging is complete, giving you peace of mind while you sleep.