Features Use for LiPo LiFe Li-ion NiMH Nicd battery High quality, safe and durable Size:8.5x 5 x1.6cm/3.3x2x0.6inch Testing the remained power and power voltage accurately Description Testing remaining battery capacity(%). Press the Key "TYPE" to choose LIPO, LIFE, LI-ION respectively. The three Type can test power capacity only. Another two Type, NiMH and Nicd, can test power voltage only. Press the Key "CELL" to indicate the remained power. Press the Key "MODE", Battery Voltage, Single Battery Voltage, Single Battery Max Voltage and Minimum Voltage, Single Battery Highest Voltage and Lowest Voltafe will be showed.