How many volts does a model aircraft lithium battery have when fully charged? Comprehensive analysis of voltage parameters and usage guide
Model aircraft lithium batteries are the core component of model power for drones, remote control aircraft and other models, and their voltage parameters directly affect performance and safety. This article will explain in detail the voltage value of fully charged lithium battery for model aircraft, and provide structured data comparison to help enthusiasts use and maintain the battery correctly.
1. Full voltage standard of model aircraft lithium battery
The full voltage of the model aircraft lithium battery depends on the battery'sSingle cell typeandNumber of series connections (S number). The full-charge voltage of a common lithium polymer battery (LiPo) is 4.2V. When connected in series, the total voltage is multiplied by the S number. The following is a comparison table of typical specifications:
| Battery type | Single unit full voltage | 2S battery total voltage | 3S battery total voltage | 6S battery total voltage |
|---|---|---|---|---|
| LiPo (lithium polymer) | 4.2V | 8.4V | 12.6V | 25.2V |
| LiFePO4 (lithium iron phosphate) | 3.65V | 7.3V | 10.95V | 21.9V |
2. Voltage parameters and discharge characteristics
The voltage of the model aircraft lithium battery will gradually decrease as it is discharged. When using it, you need to pay attention to the following key nodes:
| Status | LiPo cell voltage | 3S LiPo total voltage | Recommended Action |
|---|---|---|---|
| Fully charged | 4.2V | 12.6V | safe to use |
| Nominal voltage | 3.7V | 11.1V | Best working area |
| Low voltage protection | 3.0V | 9.0V | Stop using it immediately |
3. Recent hot topics: Guidelines for safe use of lithium batteries
According to the hot discussions on the Internet in the past 10 days, model aircraft enthusiasts are most concerned about the following issues:
1.Risk of overcharging: Use a professional balanced charger to prevent the cell voltage from exceeding 4.25V.
2.storage voltage: For long-term storage, the unit should be kept at 3.8-3.85V (about 50% power).
3.Temperature effect: Battery capacity decreases in low temperature environments, and high temperatures may cause expansion.
4. Suggestions on purchasing lithium batteries for model aircraft
Based on the current market hot products, it is recommended to pay attention to the following parameters:
| brand | Capacity | Voltage (S number) | Discharge rate (C) |
|---|---|---|---|
| Tattu | 2200mAh | 3S (11.1V) | 75C |
| Gens Ace | 5000mAh | 6S (22.2V) | 50C |
5. Maintenance and FAQs
Q: Why does the voltage drop rapidly after full charging?
A: The battery may be aging or have a false capacity. It is recommended to use professional equipment to detect the internal resistance.
Q: Can batteries with different S numbers be mixed?
A: Absolutely prohibited! Voltage mismatch can damage the ESC or motor.
Summary: The full-charge voltage of model aircraft lithium batteries must strictly follow the cell characteristics. The 3S LiPo standard is 12.6V and the 6S is 25.2V. Correct use and storage can significantly extend battery life. It is recommended to check the voltage status regularly and wear safety protective equipment.
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