140W Auto Cut-Off USB Charger Protector | Overcharge Safety

Smart Auto Stop USB Charging Protector – 140W Fast Charging Safety Adapter

Keep your devices safe and your battery healthy with the 140W Auto Cut-Off Charging Protector. This intelligent Type-C adapter automatically disconnects power the moment your device reaches full charge — no more overnight overcharging, no wasted energy, and no battery degradation from excess current.

Why You'll Love It

• Automatic Power-Off: The built-in intelligent sensing system detects when charging is complete and instantly cuts the connection, preventing overcharging and extending the lifespan of your device's battery.
• Cable Auto-Eject: Once charging finishes, the adapter ejects the cable automatically — no need to constantly check or manually unplug. Perfect for multitasking during work or study sessions.
• 140W Fast Charging Support: Handles up to 140W input (5V–28V, 0–5A Type-C output), making it compatible with today's high-speed chargers for phones, tablets, watches, and cameras.
• Plug-and-Play Simplicity: No apps, no settings, no complicated setup. Just plug in and let the adapter do the work — ideal for all users at home, in the office, or on the road.
• Compact & Portable: At just 50g and measuring 6.8 × 4.5 × 2.2 cm, this lightweight adapter slips easily into any bag or pocket, so you stay protected wherever you charge.
• Universal Device Compatibility: Works with mobile phones, tablets, cameras, smart watches, and more — any device using a Type-C charging cable.

Specifications

What's in the Box

• 1 × Auto Cut-Off Charging Protector
• 1 × Instruction Manual

Note: Due to varying screen settings, actual color may differ slightly from product images. Please allow a 1–2 cm variance due to manual measurement.

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: How does the auto cut-off charging protector work?

A: The adapter uses an intelligent sensing system that continuously monitors the charging status of your device. When the battery reaches full capacity, the adapter automatically cuts the power supply and ejects the cable — protecting your battery from overcharging without any manual action required.

Q: Is this charging protector compatible with all Type-C devices?

A: Yes. The auto cut-off protector is designed to work with any device that uses a Type-C charging cable, including smartphones, tablets, cameras, and smartwatches. It supports up to 140W (5V–28V input) for broad compatibility with fast-charging setups.

Q: Will it work with my existing fast charger and cable?

A: Absolutely. Simply insert this adapter between your existing Type-C charger and cable. It operates as a plug-and-play accessory — no configuration needed. It supports fast-charging standards up to 140W, so it won't slow down your existing setup.

Q: Is it safe to use overnight while sleeping?

A: Yes, that's exactly what it's designed for. Because the adapter automatically stops charging and disconnects the cable once your device is fully charged, you can charge with confidence during overnight or extended sessions without worrying about overcharging your battery.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.