Yonii Magnetic USB Li-ion Battery Charger – Portable Travel Charger

Charge your lithium-ion batteries anywhere with the simple and compact Yonii Magnetic USB Battery Charger. Instead of bulky charging bays and spring-loaded slots, this charger uses magnetic contacts that attach directly to your battery terminals for quick and hassle-free charging.

Perfect for flashlight enthusiasts, EDC kits, battery testing, and travel use, the Yonii Magnetic Charger is lightweight, portable, and compatible with many popular Li-ion battery sizes.

Features

🔋 Magnetic charging contacts attach directly to battery terminals

⚡ USB powered for convenient charging anywhere

🎒 Compact travel-friendly design

🔄 No charging bays, trays, or spring contacts

🛠 Great for testing batteries and quick charging setups

💡 Simple plug-and-charge operation

How It Works

1. Connect the charger to a USB power source

2. Attach the magnetic contacts to the battery terminals (+ and -)

3. Charging begins automatically

No trays. No sizing adjustments. No broken springs.

Compatible Battery Sizes

Works with many rechargeable lithium-ion batteries including:

• 14500

• 16340 (RCR123A)

• 18650

• 21700

• 26650

• Many other similar Li-ion cells

As long as the magnetic contacts can reach both battery terminals.

Perfect For

• Flashlight enthusiasts

• EDC charging kits

• Battery testing stations

• Travel and emergency kits

• Quick battery top-offs

Specifications

• Brand: Yonii

• Power Input: USB

• Charging Method: Magnetic Contact

• Battery Type: Rechargeable Lithium-Ion (Li-ion)

• Portable Travel Design

• Lightweight and Compact

Important Notes

⚠ For rechargeable lithium-ion batteries only

⚠ Not compatible with AA or AAA alkaline batteries

⚠ Not compatible with NiMH rechargeable batteries

⚠ Ensure magnets are attached to the correct positive (+) and negative (-) terminals

⚠ Charging speed depends on the USB power source being used

Package Includes

• 1 × Yonii Magnetic USB Li-ion Battery Charger

The Yonii Magnetic Charger eliminates the frustration of traditional battery chargers. No sizing issues, no worn-out springs, and no bulky charging bays—just a simple, portable charging solution that works wherever you need it.