Tesla Self-Activated Draining System

Tesla self activating drain plug

The Tesla Self-Activated Draining System was patented some time ago, but this simple mechanical device is still being used in the latest Cybertruck. A method of managing leakage of liquid inside a battery system comprises: containing leaking liquid in a non-liquid sensitive region of the battery system so as to protect internal electrical components of … Read more

Types of Battery thermal management Systems

Battery thermal management (BTMS) systems are of several types. BTMS with evolution of EV battery technology becomes a critical system. Earlier battery systems were just reliant on passive cooling. Now with increased size (kWh capacity), Voltage (V), Ampere (amps) in proportion to increased range requirements make the battery thermal management system a key part of … Read more

Auxiliary systems power consumption in electric vehicles

Auxiliary systems power consumption in a vehicle especially an electric vehicle have a big effect on the vehicle range. The Range is decided by the battery capacity in kWh. Battery capacity is primarily used to provide traction power through AC or DC motor. Efficiency of motor, drivetrain and battery can tell you how much power … Read more


Tesla Cybertruck

Update: Now that Tesla Cybertruck has been launched and first delveries/bookings being confirmed. We can update the article and benchmarking based on the data available from the websites and various forums. We are now seeing them on the road and buzz is going around with various video reviews. Recent Q2 Earnings call gave us the … Read more

Cylindrical Cell Comparison 4680 vs 21700 vs 18650

In this Article, we will compare different Cylindrical Cell Sizes used in electric Vehicles. 4680 vs 21700 vs 18650.

2022 Tesla Semi Specifications

In order that we can understand the specifications of the battery pack it is necessary to at first piece together the vehicle. Warning: this page is going to have updates/amendments over time and some values are likely to be an estimate. Specifications A typical single tank semi can do circa 550miles and tanks hold up … Read more

2022 Tesla Model Y 4680

Tesla 4680 battery cooling

Caution: This is a very difficult pack to reconcile the numbers around at the moment and so we are continually updating our calculations and estimates. We will get there, but it might take some time. Specifications: Assuming the 4680 cell from the Munro teardown is correct at 23.35Ah then we have the following parameters: Assuming … Read more

Tesla 4680 Cathode Porosity

Indicative numbers for the Tesla 4680 cathode porosity, estimated based on 2D images of the Batch 1 and 2 cells originally analysed for The Limiting Factor by the Laboratory for Energy Storage and Conversion, UC San Diego. This image analysis and estimation was performed by Addionics based on the original Tesla 4680 cell benchmarking. Analysis … Read more