2023 Tesla Model 3 Sentry Mode Power Usage: LFP Battery Drain in 1 Week
In this real-world range test, we explore the energy consumption of a Tesla Model 3 during idle periods, specifically focusing on processes like Sentry mode and climate control. By comparing the actual range achieved with the manufacturer's stated range, we can determine the amount of energy lost to these stationary processes. Join us as we delve into the results of this test and uncover the impact of Sentry mode on the battery's power usage.
Real-World Range Test
The range test began with the Tesla Model 3's battery at 100% charge, and the initial range was recorded at 439 kilometers. The goal was to observe the range depletion until the battery reached below 20% charge, which is when Sentry mode stops working. The test was conducted over a period of approximately one week, during which the vehicle was used for daily commutes and remained stationary when parked.Energy Consumption and Efficiency
After a week, the battery level dropped to 16%, indicating that 84% of the battery had been utilized. The recorded range at this point was 70 kilometers, which suggests that the actual range should have been 369 kilometers, considering the initial range of 439 kilometers. Analyzing the efficiency, it was found that the vehicle had traveled only 295 kilometers, resulting in a loss of 74 kilometers. This discrepancy raised questions about where the energy had been expended.
Identifying Energy Consumption
To understand the energy distribution, the energy screen in the vehicle was accessed. The data revealed that 54.2 kilometers of range had been consumed during the parked periods. Although this number was slightly lower than the expected loss of 74 kilometers, it provided insights into the energy allocation. Further examination of the energy screen showed that 12.3% of the battery usage occurred while the car was parked and not in motion.Sentry Mode and Other Processes:
Of the 12.3% energy consumption during idle times, Sentry mode accounted for 7.8%. This feature, which helps monitor the vehicle's surroundings, was active for an average of four to eight hours per day during work hours. Additionally, the mobile app contributed 1.6% to the energy usage, as it allowed interactions with the Model 3 remotely. Other processes, such as screen time and standby mode, also had minor energy requirements.Implications and Efficiency Considerations
Based on the analysis, it was determined that only 72% of the battery's capacity had been utilized for propulsion, while the remaining 12.3% was consumed by stationary processes. This finding highlighted the significance of processes like Sentry mode in draining the battery's energy even when the vehicle is not in use. With an efficiency rate of 135 Watt-hours per kilometer, the 40 kilowatt-hours consumed over 295 kilometers represented driving efficiency but did not factor in the stationary energy usage.Conclusion
The real-world range test of the 2023 Tesla Model 3 shed light on the impact of Sentry mode and other processes on the vehicle's power consumption during idle periods. The findings revealed that approximately 12.3% of the battery's energy was utilised to sustain these stationary operations. Understanding the energy allocation between propulsion and other processes is crucial for Tesla owners, as it provides insights into optimising range and battery usage.As electric vehicles continue to evolve, it is essential for manufacturers and users alike to consider the energy requirements of various features and systems.
"Tesla's Sentry mode, while providing security benefits, does contribute to power drain. Striking a balance between functionality and energy efficiency will be crucial as electric vehicles become more prevalent. By gaining a deeper understanding of power usage during idle periods, Tesla owners can make informed decisions to optimise their vehicles."
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