Nitecore D4 LCD Display Universal Li-ion Ni-MH Ni-Cd LiFePO4 Battery Charger With 2 PCS NL183 2300mAh 18650 Batteries And 18650 Batteries Box Capable of charging 4 batteries simultaneously Optimized charging design for IMR batteries Integrated LCD panel clearly displays charging parameters and progress Two conveniently located side buttons allow easy selection of specific battery types and charging parameters Automatically detects battery power status and selects the appropriate voltage and charge mode (with the exception of LiFePO4 batteries which require manual selection)