BETAFPV 4pcs Lava 550mAh 1S 3.8V LiHV 75C FPV LiPo Battery with BT2.0 Connector

BETAFPV 4pcs LAVA 550mAh 1S 3.8V LiHV 75C FPV LiPo Battery with BT2.0 Connector for 1-2S FPV Tiny Whoop Drone Quadcopters like Meteor75 Meteor75 Pro Cetus Pro 1S Brushless Drones Cetus X 2S QuadItems: LAVA 1S 550mAh 75C BatteryCapacity: 550mAhDimension: 68*15.5*6.7mmWeight: 14gPower: 2.09WhC-Rate: 75CBattery Type: LiHVVoltage: 3.8VConnector: BT2.0 ConnectorPackage4 * LAVA 1S 550mAh 75C BatteryWarningPlease fully charge the new battery before use.Only use a charger designed for lithium polymer/Li-ion battery and never leave the battery unattended during the charging process.Always keep the battery away from flammable and explosive materials while charging.Never overcharge the battery. The maximum voltage for a LiPo battery is 4.2V per cell and for a LiHV battery is 4.35V per cell.Never discharge the battery to a level below 3V per cell under load.Do not store fully charged batteries for more than 3 days. For long-term storage maintain the voltage between 3.8V and 3.9V.Do not disassemble crush short circuit or expose to flame or other sources of ignition.Do not use batteries that are deformed or swollen.