Model Number: HYX-LPA001 Brand Name: HYX Key Specifications/Special Features: Suitable for 2/3/4S Li-Po batteryTesting full power:(>3.6V) 2s (7.2V) Li-Po battery 2 green LED keepinglight(>3.6V) 3s (10.8V) Li-Po battery 3 green LED keepinglight(>3.6V) 4s (14.4V) Li-Po battery 4 green LED keepinglight

Voltage >3.3V, will buzzer with red LED light

Alarm sounds and red lights to warn battery low voltage

Can prevents Li-Po battery damaged due to low voltage

Nice for 2 cells/7.4V and 3 cells/11.1V Li-Po batteries

Li-Po alarm only nice for 2 cells/7.4V and 3 cells/11.1Vbatteries

Required balance charger plug-in battery

Each Li-Po minimum discharged voltage of 3.0V before damageoccurs

Each Li-Po cell: 3.7V (nominal) no matter how various cells arein parallel

Each Li-Po cell minimum charged voltage of 4.25V before damageand risk of fire occurs

Weight: 4g/cell