Description Features Dual-slot charging (charge 2 batteries at once) USB powered (5V input) Compatible with 18650 Li-ion batteries and similar cells Intelligent charging control for safety Overcharge, overcurrent, and short-circuit protection LED indicators for charging status Compact and portable design Easy plug-and-play operation Technical Specifications Parameter Specification Input Voltage DC 5V (USB) Output Voltage 4.2V per slot Battery Type 18650 Li-ion rechargeable cells Charging Slots 2 independent channels Charging Method Constant current / constant voltage Protection Overcharge, overcurrent, short circuit Indicator LED status lights Material ABS Plastic Port Type Micro USB / USB input (varies by model) Shipping information Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.