AI USB-C Auto Cut-Off Charging Protector – 140W Overcharge Stop

Stop Overcharging Before It Damages Your Battery

Meet the AI Smart USB-C Auto Cut-Off Charging Protector — a compact, intelligent device that physically disconnects your charger the moment your device hits 100%. No more leaving your phone or laptop plugged in overnight and waking up to a degraded battery. This gadget does the thinking for you.

Why Your Battery Needs This

Lithium-ion batteries degrade faster when kept at 100% charge for extended periods. This AI-powered charging separator uses a physical disconnection mechanism — not just software — to cut the power connection the instant your device is fully charged, protecting your battery's long-term health.

For more on battery health and safe charging practices, visit the U.S. Consumer Product Safety Commission's Lithium-Ion Battery Safety Guide.

Key Features

• 140W Ultra-Fast Charging: Supports up to 140W output (with a connected data cable supporting up to 100W), dramatically cutting charge times for laptops, tablets, and smartphones.
• AI Intelligent Disconnection: An advanced AI smart chip detects when your device reaches full charge and physically detaches the internal connection — preventing overcharging at the hardware level, not just via software.
• Colorful Atmosphere LED Ring: A built-in LED light ring (or "100%" display) gives you a clear, at-a-glance view of your charging status. It's a patented design that blends style with function.
• Premium Metal Alloy Build: Constructed from a fire-resistant, heat-dissipating metal alloy for durable, safe, long-term use.
• Universal Type-C Compatibility: Works with laptops, tablets, smartphones, power banks, small fans, shavers, beauty devices, electronic toys, and any device using a USB-C connector.
• Multi-Layer Safety Protection: Intelligent temperature control, over-current protection, over-voltage protection, and short-circuit protection built in — so you can charge overnight with complete peace of mind.

What's in the Box

• 1× 140W AI Intelligent Power-Off Type-C Charging Separator
• 1× User Manual

Made in Mainland China.

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Frequently Asked Questions

Q: How does the AI auto cut-off charging protector actually stop overcharging?

A: Unlike software-based solutions, this device uses a physical disconnection mechanism powered by an AI smart chip. Once it detects your device has reached 100% charge, it physically separates the internal electrical connection — completely cutting the power flow rather than just throttling it. This provides a true hardware-level stop to overcharging.

Q: Is this USB-C charging protector compatible with my MacBook or laptop?

A: Yes! The device is universally compatible with any USB-C (Type-C) powered device, including MacBooks, Windows laptops, Android and iOS smartphones, tablets, and more. The separator itself supports up to 140W, and the pass-through data cable supports up to 100W — suitable for most high-performance laptops.

Q: Can I use this for overnight charging without worrying about battery damage?

A: Absolutely — that's exactly what it's designed for. Once your device is fully charged, the AI chip triggers a physical disconnection, meaning no excess charge reaches your battery even if left plugged in all night. Combined with over-current, over-voltage, and short-circuit protections, it's one of the safest ways to charge overnight.

Q: What does the LED light ring indicate?

A: The built-in colorful atmosphere LED ring (or "100%" LED display, depending on the version) shows the real-time charging status of your device. When your device is fully charged and the connection is cut, the light provides a clear visual confirmation — no guesswork needed.