... equipped with high-capacity Li-ion battery and laser devices on the poin ... benefits:1.high energy density, lithium battery has high capacity, small size and light ... high cycle life (charge-discharge cycle over 500 times), a lithium battery life is equivalent ... IncrementalBase ModelSeparatedDetectingHorizontal:DoublePower Vertical:SingleBatteryNi-H Charge BatteryMinimum Reading1"/5"Working TimeAbout 6 ...