140W USB-C Smart Auto Stop Charging Adapter | Overcharge Protection

Smarter Charging, Safer Batteries — 140W USB-C Auto-Disconnect Adapter

Tired of leaving your phone or laptop plugged in all night? The 140W Smart Auto Stop Charging Adapter takes the guesswork out of charging. With intelligent battery-sensing technology, this compact Type-C adapter automatically cuts power the moment your device reaches a full charge — no manual unplugging required. Protect your battery, extend its lifespan, and charge with total confidence.

Why You'll Love It

• Automatic Cut-Off Technology: The adapter's built-in smart sensor detects when your battery hits 100% and instantly stops the power flow, preventing overcharging and keeping your battery in peak condition longer.
• Auto-Eject Cable Feature: Once charging is complete, the adapter automatically ejects the charging cable — a hands-free, fully seamless experience with zero manual intervention needed.
• Plug-and-Play Simplicity: No apps, no settings, no complicated setup. Just plug it in and let the adapter do the work, whether you're at home, in the office, or on the go.
• Wide Device Compatibility: Supports phones, laptops, tablets, smartwatches, cameras, and more. If it charges via USB-C, this adapter has it covered.
• Ultra-Compact & Portable: At just 50g and measuring 6.8 × 4.5 × 2.2 cm, it slips into any bag or pocket without adding bulk — the ideal travel companion for commuters, students, and frequent travelers.
• Up to 140W Input Support: Compatible with high-wattage USB-C charging setups (5V–28V input, 0–5A output), making it suitable for power-hungry laptops and fast-charging phones alike.

Product Specifications

What's in the Box

• 1 × Stop Charge Smart Charger Adapter
• 1 × Instruction Manual

Compatible With

Smartphones, laptops, tablets, smartwatches, digital cameras, and any USB-C powered device. Perfect for home, office, dormitory, or travel use.

Note: Due to lighting and screen variations, the item color may differ slightly from images. Please allow a 1–2 cm size tolerance due to manual measurement.

Pair It With

• Looking for more portable power solutions? Check out our inspirational workspace décor to complement your home or office setup.

For general guidance on safe charging habits and battery care for consumer electronics, visit the U.S. Consumer Product Safety Commission (CPSC) Battery Safety Resources.

Learn more: AC adapter

Frequently Asked Questions

Q: How does the 140W Smart Auto Stop Charging Adapter prevent overcharging?

A: The adapter uses an intelligent sensing circuit that continuously monitors your device's battery level. Once it detects a full charge, it automatically cuts off power delivery to the device and ejects the cable, ensuring the battery is never exposed to unnecessary charging current.

Q: What devices is this USB-C auto-disconnect adapter compatible with?

A: This adapter is compatible with any device that charges via USB-C, including smartphones, laptops, tablets, smartwatches, and digital cameras. It supports input voltages from 5V to 28V, making it suitable for both standard and high-wattage charging scenarios.

Q: Do I need to install any software or configure any settings to use this adapter?

A: No — the Smart Auto Stop Charging Adapter is fully plug-and-play. Simply connect it between your charger and your device. There are no apps, drivers, or settings required. It works automatically right out of the box.

Q: Is this adapter safe to use overnight?

A: Yes. The whole purpose of this adapter is to make overnight or unattended charging safer. Its auto cut-off function stops power delivery once the battery is full, so you don't have to worry about overcharging while you sleep.