- Real time OLED with analogue style gauges (Voltage, Charging Amps & mAh readout) - Compatible Batteries: 10440/14500/14650/16340/17500/17670/18350/18500/18650/18700/20700/21700/20650/ 26650  Li-Ion, IMR/INR/ICR/NCR - Capable of charging two cells at 1A & 2...