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Tesla Battery Health Test: Procedure, Principles, and Real-World Results
Many users have already conducted the Tesla battery test themselves, but some still do not fully understand the procedure. This post aims...
rory lee
May 293 min read


rory lee
May 240 min read


Battery Calibration Notification Guide
Battery Voltage Curve and the Need for SOC Correction The red curve in the image represents the battery’s voltage behavior during...
rory lee
May 231 min read


Check 12 Causes of Battery Drain While Parked
When you notice significant battery drain while your vehicle is parked, it usually boils down to two factors: The car fails to enter...
rory lee
May 222 min read


Model 3 Standard Range – LFP vs NCM
📌 Vehicle Info NCM Model: 2020 / 118,030 km LFP Model: 2022 / 121,104 km ⚡ SOH (State of Health) NCM: 82.7% LFP: 93.0% 🔍 Key...
rory lee
May 151 min read


How to Check Battery Degradation Status
We have received many inquiries regarding how to interpret battery degradation status, so we would like to clarify as follows: “Current...
rory lee
Apr 252 min read


Is there ‘luck of the draw’ with batteries too?
The difference in battery capacity, often referred to as "luck of the draw" among general users, is actually a natural result of...
rory lee
Apr 231 min read


The Season of Efficiency: Why Driving Range Increases in Spring
When the weather gets warmer, many EV drivers refer to it as the “season of efficiency.” In fact, there are two primary reasons why the...
rory lee
Apr 211 min read


Battery Degradation Characteristics by Tesla Model Y Specification
In this article, we will focus solely on battery degradation , among the various factors that affect EV performance. Please note that the...
rory lee
Apr 192 min read


🔋 Understanding Phantom Drain and Phantom Charge: Battery Behavior During Idle State
When a vehicle is parked or in standby mode, a decrease in the battery's state of charge (SOC), known as phantom drain , or an increase,...
rory lee
Apr 171 min read


Why a Hard Reset is Dangerous When a BMS Error Occurs
Unlike typical electronic devices, the Battery Management System (BMS) is designed to meet the highest automotive functional safety...
rory lee
Apr 161 min read


Battery Analysis and Cell Balancing Monitoring Feature Update
Limitations of the Previous Degradation Prediction Method and the Direction of Improvement The default degradation model in Dr.EV was...
rory lee
Apr 153 min read


How to Charge and Maintain Your Battery
We’d like to explain the best charging and usage practices for your battery in the simplest way possible, without using engineering...
rory lee
Apr 132 min read


How to Estimate Used EV Battery Life with a Simple Calculation
Hello, this is Dr.EV. Today, we’ll introduce a simple way to estimate the battery life of a used electric vehicle based on basic vehicle...
rory lee
Apr 132 min read
100% Charging and Safety Margin (Error Margin)
Hello, this is Dr.EV. In this article, following our previous discussion on “battery charging and management methods,” we’ll explain the...
rory lee
Apr 133 min read


📌 Dr.EV Charging Settings & Monitoring
⚙️ Charging Settings 🔋 Charging Limit Limits the maximum SOC (State of Charge) based on charging mode to optimize battery lifespan. ✅...
rory lee
Feb 235 min read


📌 Dr.EV Battery Page
📊 Battery Capacity Displays the current battery capacity. ✅ How to Improve Battery Capacity Estimation: Charging larger amounts at once...
rory lee
Feb 232 min read


Causes of electric vehicle fires during charging and parking, and prevention methods
I created a PowerPoint animation about the causes of electric vehicle fires during charging and parking, and prevention methods, making...
rory lee
Oct 13, 20241 min read


Optimal Cell Balancing Method for LFP
If you follow the steps below, cell balancing will be maximized, and the SOC algorithm will be accurately calibrated. Prepare to charge...
rory lee
Oct 11, 20241 min read


Optimal Cell Balancing Method for NCM
Prepare to charge at a 20% level. Wait for 2 hours. Set the charging current to 5A. Charge up to 90%. Wait for 2 hours.
rory lee
Oct 11, 20241 min read
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