Extremely compact and easy-to-carry automatic charger for 1.2 V Ni-MH/Ni-Cd and 1.5 V lithium-ion batteries of type AA (R6) and AAA (R03). Main features: The microprocessor controls the charging process precisely (CC/CV - for lithium-ion batteries; 0ΔV/-ΔV - for Ni-MH/Ni-Cd batteries), which helps to ensure a long battery life.Independent charging channels - 4 different battery types or sizes can be charged simultaneously. Lights indicate the charging status of each element separately. USB-C port power supply - can be connected to any USB converter or computer outlets (USB USB-C cable included). Protection against short circuit, wrong polarity, overload and overheating The housing is made of strong, fire-resistant ABS plastic. Technical features: Types of rechargeable cells: Ni-MH/NI-Cd 1.2 V - AA/AAA Li-Ion 1.5 V - AA/AAA The battery type is detected and the charging mode is automatically selected Supply voltage: USB 5 V recommended 2 A (USB - USB-C cable included). Charging method: Li-Ion: CC/CV Ni-MH: 0 ΔV/-ΔV Cut-off current at full charge: 100 mA. Dimensions: 80 x 75 x 27 mm Scope of delivery: BC4 charger, USB-USB-C cable, wrist strap.