140W AI USB-C Auto Cut-Off Charging Protector | Overcharge Guard

Stop Overcharging Before It Damages Your Battery

Introducing the 140W AI Intelligent USB-C Charging Separator — a compact, smart device that physically disconnects your charger the moment your device hits 100%. No more babysitting your phone overnight, no more battery degradation from constant overcharging. Just plug in, charge fully, and let AI do the rest.

Made in Mainland China.

Key Features

• ⚡ 140W Ultra-Fast Charging: Supports up to 140W output through the separator, with the connected data cable supporting up to 100W — dramatically cutting charge times for laptops, tablets, smartphones, and other Type-C devices.
• 🤖 AI Intelligent Auto Disconnect: An advanced AI smart chip detects when your battery reaches full charge and physically severs the internal connection — not just a software cutoff. This hardware-level disconnection genuinely prevents overcharging and preserves long-term battery health.
• 💡 Colorful Atmosphere Light Ring: A built-in LED ring (or "100%" display) gives you an instant, at-a-glance view of your charging status. Functional AND stylish on your desk or nightstand.
• 🔩 Premium Fire-Resistant Metal Alloy: The housing is crafted from a robust, heat-dissipating metal alloy — built to last and safe to leave plugged in.
• 🔌 Wide Type-C Compatibility: Works with virtually any USB-C device — laptops, tablets, smartphones, power banks, small fans, shavers, beauty tools, and electronic toys. Compatible with major fast-charge protocols.
• 🛡️ Multi-Layer Safety Protection: Intelligent temperature control, over-current protection, over-voltage protection, and short-circuit protection — all in one tiny adapter.

What's in the Box?

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

Why Your Battery's Long-Term Health Matters

Consistently charging to 100% and leaving your device plugged in is one of the leading causes of lithium-ion battery degradation. Consumer electronics safety experts and battery researchers consistently recommend avoiding prolonged overcharging. For more information on electrical product safety, visit the U.S. Consumer Product Safety Commission (CPSC) Battery Safety Resource.

Specifications at a Glance

Learn more: Power strip

Frequently Asked Questions

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

A: Unlike software-based solutions, this USB-C charging separator uses an AI smart chip combined with a physical disconnection mechanism. When your device's battery reaches 100%, the internal circuit is physically broken — not just digitally throttled — ensuring no trickle charge continues to stress your battery. This is especially useful for overnight charging of laptops, tablets, and smartphones.

Q: Is this USB-C charging protector compatible with my MacBook, iPhone, or Android device?

A: Yes! The 140W AI charging separator is universally compatible with any device that uses a USB-C (Type-C) port, including MacBooks, iPads, Android smartphones, Windows laptops, power banks, and more. It supports all major fast-charging protocols, so you won't lose any charging speed.

Q: Does this device work with both 1-piece and 2-piece purchase options?

A: Absolutely. This listing is available in a 1-pack or a 2-pack, making it easy to protect multiple devices — for example, one for your home charging station and one for your office or travel bag.

Q: Will the colorful LED light disturb my sleep during overnight charging?

A: The LED atmosphere light is subtle and primarily serves as a status indicator. Many users find it helpful for a quick glance check. Once the device cuts off at 100%, the light changes to confirm the disconnection, so you can rest easy knowing overcharging is not occurring.