~Dual-Slot Independent Control: Dual-Slot Fully Independent Operation, Professional and Efficient ~Fast Charging: Supports up to 3A Type-C input with adjustable charging current (3A/2A/1A/0.5A/0.25A). ~Wide Compatibility: Supports 1.5V Li-ion, 3.6/3.7V Li-ion, 3.2V LifePO4, 1.2V Ni-MH, and other battery types. ~Smart Charging: Automatically recognizes the battery type and adjusts the charging current to ensure safe and fast charging. ~Capacity Test: Accurately detects battery capacity, eliminating false ratings (compatible with all supported batteries). ~NiMH Deep Repair: Eliminates memory effect in NiMH batteries and restores maximum capacity. ~Discharge Mode: Independent discharge function for quickly detecting battery capacity. ~Storage Mode: First-ever support for 1.5V battery storage charging, reducing self-discharge, delaying aging, and extending battery life. ~Internal Resistance Detection: Easily assess battery internal resistance and evaluate battery health. ~0V Activation: Revives over-discharged batteries for use. ~Clear Display: Large HTN screen for easy viewing of battery status with simple operation. ~Multiple Protections: Built-in protections against overcharge, overcurrent, overvoltage, and soft start, ensuring safer charging.