Purchase Note: Dimension 67.1 x 15.3 x 7.6mm / 2.64 x 0.6 x 0.30inch (L*W*H) Approximate Weight:14g/0.03lb Chemistry: Lithium Polymer Nominal Voltage: 3.8V Configuration: 1S1P Cell Voltage Range: 3.8~4.2V Capacity: 850mAh Discharge Rating: 100C Connector Type: BT2.0 PLUG | After-Sales Support: If you encounter any issues with the product, please feel free to leave a message for our customer service. We aim to respond within 24 hours. In case of quality-related concerns, kindly provide clear photos of the issues directly to our customer service. The efficiency of our support will be based on the clarity of the images provided. For any warranty-related inquiries within the 2-year period, feel free to reach out to OVONIC customer service for resolution. Wishing you all an enjoyable RC experience! | Client Usage Report: Leveraging cutting-edge lithium polymer technology, this battery exemplifies outstanding energy density and extended cycle life. Meticulously engineered cell design ensures a reliable power supply under demanding conditions, catering to high loads and swift flying scenarios.stands out with an impressive 100C discharge rate. This robust performance translates into heightened thrust and a stable flight experience. | Charger combo offer: To ensure the longevity of your lithium polymer battery, it is imperative that you use a compatible charger and avoid overcharging or overdischarging. We highly recommend using the official OVONIC Mate1 and X1 Chargers/X1 Pro Chargers, as they are designed to be professional, hassle-free, and provide optimal protection for your battery. | ?Note?Please stop charging immediately when the cell voltage has been charged to 4.2V (Normal cell voltage is between 3.7V~4.2V).