Compact USB charger designed for 18650 lithium-ion batteries. Features intelligent charging circuitry with overcharge and short-circuit protection to safeguard your batteries. Single or dual-slot configuration depending on model. Universal compatibility with standard 18650 cells. LED indicator displays charging status in real time. Powered by standard USB input — works with any USB power adapter or computer port. Ideal for powering flashlights, vaping devices, and portable electronics. Fast and safe charging every time.
