KP Original 902030 3.7v 500mAh Rechargeable Battery for Bluetooth Speaker, RC Drone, Toys, DIY, Robotics

KP-902030 3.7v 500mAh rechargeable battery for bluetooth speaker, RC Drone, Toys, DIY, Robotics Output Volt 3.7V Charging Voltage 4.2V Do Not Overcchrge Use Charger with auto stop Charging Protatction specification: Model: 902030 Capacity: 500mAh Voltage: 3.7V Dimension: 30/20/9mm (L*W*H) Battery Type: Polymer Rechargeable Battery Compatibility: A variety of electronic devices, including LED lights, Bluetooth speakers, MP3/MP4/MP5 players and selfie sticks. KP-902030 3.7v 500mAh rechargeable battery for bluetooth speaker, RC Drone, Toys, DIY, Robotics