Smart Auto Cut-Off Charging Protector – USB-C to USB-C, PD Fast Charging Support

Smart Battery Protector is built to solve one simple problem: battery stress from overnight or all-day charging. Leaving your phone plugged in for extended periods puts constant strain on the battery, and over time, that shortens its lifespan. This Smart Auto Cut-Off Charging Protector solves that problem automatically. Simply plug it in between your charger and your device, set your preferred charge limit, and walk away. Once your battery hits that level, power delivery stops on its own — no timers, no apps, no babysitting your phone.

Charge smarter, not longer.

Leaving your phone plugged in overnight or forgetting it on the charger all day puts constant stress on your battery — and over time, that shortens its lifespan. This Smart Auto Cut-Off Charging Protector solves that problem automatically. Simply plug it in between your charger and your device, set your preferred charge limit, and walk away. Once your battery hits that level, power delivery stops on its own — no timers, no apps, no babysitting your phone.

Built with a USB Type-C to Type-C interface, it supports Power Delivery (PD) fast charging, so you're not sacrificing speed for battery protection. It works seamlessly across USB-C smartphones, tablets, laptops, and gaming devices — including iPhone models that use USB-C charging — making it a genuinely universal accessory rather than a single-device gadget.

There's nothing to install and nothing to configure beyond your charge limit. It's a true plug-and-play device: connect it, use it, and it just works — at home, in the office, on your nightstand, or thrown in a travel bag.

Why It Matters

Lithium-ion batteries degrade faster when they're kept at 100% for extended periods, especially overnight. By cutting the connection at a set threshold, this device helps you avoid that daily overcharge cycle — which can mean a healthier battery, and a longer-lasting device, over months and years of use.

Key Features

• Power Delivery (PD) fast charging supported
• Auto-disconnects at your preset battery level
• Reduces battery stress from overnight/prolonged charging
• USB-C to USB-C connector — broad device compatibility
• Works with phones, tablets, laptops, and gaming handhelds
• No app or software setup required
• Compact, lightweight, travel-friendly
• Durable ABS housing for daily use

Specifications

How to Use

1. Connect the device between your charger and your USB-C cable/device
2. Set your desired charge cut-off level (where supported)
3. Begin charging as usual
4. The device automatically disconnects power once your set level is reached
5. Unplug and store when not in use

Safety Guidelines

Use only with compatible USB-C devices. Avoid water, moisture, and extreme heat. Do not drop or apply excessive force. Keep out of reach of children. Store in a cool, dry place.

What's in the Box

• 1 × Smart Auto Cut-Off Charging Protector
• 1 × User Manual