Features:1.Bluetooth/APP function2.LCD screen display charging mode and battery status of all slots3.Two charging modes(CC, CV)4.Each of the four battery slots monitors and charges independently. Capable of charging 4 batteries with different types and different sizes simultaneously 5.Support Li-ion, LiFePO4, Ni-MH, Ni-Cd batteries6.Select different charging modes with different batteries. Automatically detects battery voltage, identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries. Can not identify Li-ion and LiFePO4 batteries automatically and need to set charging mode manually7.0.25A charging current for Ni-MH and Ni-Cd battery; 0.25A, 0.5A, 1A, 2A options charging current for Li-ion and LiFePO4 battery8.Automatically stops charging when complete9.Activation function for Li-ion batteries with protection board10.USB output port. Can charge phones and PCs when disconnect adapter.Specifications:Input:AC 100-240V 50/60Hz 1A(max)Output Voltage:4.2V±1%, 3.6V±1%, 1.48V±1%USB Output Voltage:5.0V±5%Output Current: Li-ion, LiFePO4 batteries: 0.25A/0.5A/1A/2A Ni-MH, Ni-Cd batteries:0.25ACompatible with: Li-ion, LiFePO4 batteries:10440/14500/14650/16340/16650/17650/17670/18350/18490/18500/18650/22650/26500/26650 Ni-MH, Ni-Cd batteries:AAAA/AAA/A/A/SC/C/D