Capable of charging two batteries simultaneously; Each of the two battery slots monitors and charges independently; Compatible with and identifies Li-ion / Ni-MH / Ni-Cd rechargeable batteries, such as Li-ion batteries (26650 / 22650 / 18650 / 17670 / 18490 / 17500 / 18350 / 16340 ( RCR123 ) / 14500 / 10440) and Ni-MH / Ni-Cd batteries (AA / AAA / AAAA / C); Optimized charging design for IMR batteries; Integrated 2.2" LCD display panel clearly displays charging parameters and progress; Two conveniently side buttons allow easy selection of a specific battery type and various charging parameters; Intelligent circuity detects the battery type and status before entering automatic charge mode (CC, CV, dV / dt); Auto detection of battery power status and selects the appropriate voltage and charge mode (with the exception of LiFePO4 batteries which require manual selection); Compatible with LiFePO4 batteries; Compatible with small capacity batteries; Auto stops charging when charging is complete; Features overtime prevention to protect batteries; Built-in temperature control function; Made from durable ABS, inherently fire / flame resistance; Features reverse polarity protection; Good cooling effect.