Keep your rechargeable batteries powered up safely and efficiently with the Intelligent 4-Slot Battery Charger. Designed for AA/AAA Ni-MH and Ni-Cd rechargeable batteries, this charger delivers reliable performance with smart charging technology. Featuring 4 independent charging slots, a clear LED indicator (25%–100%), and built-in overcharge, short circuit, and polarity protection, it ensures safe, stable, and long-lasting battery performance.With a compact ABS design, USB 5V/2A input, and DC 800mA output per slot, this charger is perfect for home, office, or travel use. Plug-and-play functionality makes it simple to use—just insert your batteries, connect via USB, and let the charger handle the rest.