How to read the parameters marked on lithium-ion power batteries

When buying a lithium-ion power battery, we can see that there is still a mark on the battery, which is the usual 3000mah, 4000mah, 5300mah or 10000mah and so on. It indicates the amount of electric energy that the power battery can store, in milliampere-hours. The discharge rate is usually 15C, 20C, 25C or 30C and so on. It means the rate of discharge. Generally speaking, the model aircraft battery of the polymer lithium battery soft pack is usually clearly marked. For example: we have a 10000mah 20C battery. Then these parameters represent: 1. Discharge continuously for 1 hour at a discharge rate of 10,000 mA per hour; 2. Discharge at a rate of 5 times, that is, discharge continuously for 12 minutes at a discharge rate of 50,000 mA per hour (60 / 5) ; 3. Discharge at 10 times the speed, that is, continue to discharge for 6 minutes (60 / 10) at a discharge rate of 100,000 mA per hour; 4. Discharge at 20 times the speed, that is, continue to discharge at a discharge rate of 200,000 mA per hour. 3 Minutes (60 / 20). As for the rate at which it discharges during actual flight, it mainly depends on the power of the ESC and the motor, that is, the current consumption of the load. Factors affecting battery capacity: 1. The discharge current of the battery: the higher the current, the lower the output capacity; 2. The discharge temperature of the battery: the lower the temperature, the lower the output capacity; 3. The discharge cut-off voltage of the battery: is determined by the electrode material and the electrode The discharge time set by the limit of the reaction itself is generally 3.5V or 3.2V. 4. Battery charge and discharge times: After the battery has been charged and discharged for many times, the discharge capacity of the battery will be correspondingly reduced due to the failure of the electrode material. 5. The charging conditions of the battery: the charging rate, temperature, cut-off voltage, etc. affect the capacity of the charged battery, thereby determining the discharge capacity. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: Ranking of domestic lithium battery pack manufacturers in 2020