Compact universal charger designed specifically for 3.6V-3.7V lithium-ion batteries. Compatible with a wide range of rechargeable battery types in this voltage range, making it ideal for powering cameras, flashlights, vaping devices, and portable electronics. Features intelligent charging circuitry to protect against overcharging and short circuits. LED indicator shows charging status at a glance. Lightweight and portable design fits easily in bags or drawers. Simply insert your battery, plug into any standard outlet, and let it charge safely and efficiently. Perfect for anyone with multiple 3.6V-3.7V devices who wants a single reliable charging solution.