Check out the 16 Volt Li-Ion battery used in new Tesla Models S, 3, X, and Y. Learn how to determine if your Tesla has one. Learn the location, function, battery self-protection function, and precautions of the 16-volt system.

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CORRECTIONS:
1. The 16V battery uses prismatic cells from CATL, not pouch cells.

POST-VIDEO ADDITIONS:
1. The 16V negative terminal is NOT connected to the battery housing; it is isolated.
2. During an on-car 16V battery discharge experiment, the MOSFET transistors opened with the battery voltage at 13.8V, the State of Charge (SOC) was ~10%, and the car shut off. The discharge took 10 minutes.
3. With the MOSFETs open, a regular battery jumper box (12.6V) did not power up the system; however, the boost feature of the jumper box brought the voltage to 13.9V, and the Tesla immediately turned on. The 16V battery took another 30 minutes to fully recover from 10% SOC to 79% SOC.

TIMELINE:
0:00 Introduction
0:48 How to determine if your Tesla has a 16V Li-Ion battery?
1:25 The location of the 16V battery on a Model 3
1:50 The jump-start terminals of the Model 3
2:18 Owner's manual jump-start cautions
2:56 Owner's manual low-voltage power socket note.
4:18 Mislabeled 16V batteries
5:29 MUST SEE: Differences between 16V Li-Ion abs 12V Lead Acid battery
7:45 MUST SEE: The push-fit battery 16V electrical connector
8:55 The jump-start terminals of the Model Y
9:28 The Internal self-protection mode of the 16V battery
11:10 MUST SEE: Conditions for the MOSFET to open in protection mode
15:17 What alert is displayed with a bad 16V battery?
15:42 MUST SEE: How to recover a 16V battery with an open MOSFET
16:08 The owner's manual method of recovery
17:47 The service manual method of recovery
18:15 Disconnecting the 16V battery
21:12 The Toolbox 3 and service mode methods of recovery
23:24 College-level EV training as a WSU student at https://www.weber.edu/automotive
23:24 EV training for everyone else at https://www.weber.edu/evtraining

ABOUT US
Weber State University (WSU) Davis Campus - Automotive Technology Department - Advanced Vehicles Lab. A technical description and operational demonstration of the Tesla 16V Li-Ion battery system.

We teach current vehicle technologies to our automotive students at Weber State University and online. For more information, visit: http://www.weber.edu/automotive

This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see http://www.weber.edu/automotive/J_Kel...

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ADDITIONAL TRAINING FOR YOU
Join us for hybrid and electric vehicle training with two online courses and then a 5-day on-campus boot camp with Professor John D. Kelly. See http://www.weber.edu/evtraining

DONATE TO OUR DEPARTMENT
Please consider a donation to the Department of Automotive Technology at Weber State University here: http://advancement.weber.edu/Automotive