This USB charger is a compact and portable device designed specifically for charging 1S (single cell) 3.7V LiPo batteries. It features a standard USB-A connector on one end and a specialized charging connector on the other, ensuring compatibility with most 1S LiPo batteries.

Key Features:

• Input: USB 5V, suitable for power sources such as laptop USB ports, wall adapters, and power banks
• Output: 3.7V charging optimized for 1S LiPo batteries
• Compact Design: Lightweight and easy to carry, perfect for hobbyists and RC enthusiasts
• Safety Features: Built-in circuit protection to prevent overcharging, short circuits, and overheating
• Plug-and-Play: Simple operation with no additional settings required—just connect to a USB port and start charging