GT POWER BLUETOOTH BATTERY CARE 2SFeature: For: 2S Battery Material: Plastic Color: Black Battery Health Analysis Battery Capacity Meter Operation Time Times of Charging Times of Discharging Times of Over Dischargring Times of Over Chargring Reminders Specification: Support Batteries: LiPo / LiHV / Lilon / LiFe Working Current of Module: 10mA Stand by Current of Module: <50uA Blue Indicator Light Flashes: Stand-by Status Green Indicator Light Flashes: Connecting Status Red Indicator Light Flashes: Display Error Include: G.T. Power Bluetooth Battery Care For 2S Battery (1 set) *Photos for reference only.