SUPERFIRE AC28 USB Charger for Battery

Introducing the SUPERFIRE AC28 USB charger, a multifunctional portable charger designed for AA batteries. Crafted from durable ABS material, it features a convenient USB input interface compatible with various devices, making it ideal for mobile power supply, car charging, or computer use. With automatic power-off and safety protections including reverse connection, overcharge, short circuit, overvoltage, and over-current protection, it ensures safe and efficient charging every time. The indicator light turns blue when charging is complete, providing clear feedback to the user.