Soshine M20-LCD Universal 3.7/ 7.4V Charger

• Precision end-of-charge voltage detection • Floating-charging maintains battery in full charge • LCD displays for multi-information, voltage ,time ,charging percentage ,charging capacity ,worse battery and bad battery • Metal plates for charging connection can easy adjust for many different type battery pack • Automatic 3.7V/7.4V battery pack voltage and polarity detection • Over Charging timeout protection • Auto alert indication for worse battery pack and bad battery pack • Power input can use DC12V or Micro-USB DC5V for charging • Auto active function for Lithium battery pack open (0 Voltage)