Table of Contents
Step-by-Step Guide to Jump Starting a Car with a Dead Battery
1. Make sure you have the right tools. You’ll need jumper cables, a working car with a good battery, and safety glasses. 2. Park the working car close to the car with the dead battery, but make sure the two cars don’t touch. 3. Turn off both cars and pop the hoods. 4. Put on your safety glasses. 5. Locate the batteries in both cars. 6. Connect one end of the red (positive) cable to the positive terminal of the dead battery.How to Use a Portable Jump Starter to Start a Car with a Dead Battery
If your car has a dead battery, you can use a portable jump starter to get it running again. Here’s how: 1. Make sure the jump starter is fully charged. 2. Connect the positive (red) clamp of the jump starter to the positive terminal of the dead battery.
Series | Lithium Voltage | LiFePO4 Voltage |
1S | 3.7V | 3.2V |
2S | 7.4V | 6.4V |
3S | 11.1V | 9.6V |
4S | 14.8V | 12.8V |
5S | 18.5V | 16V |
6S | 22.2V | 19.2V |
7S | 25.9V | 22.4V |
8S | 29.6V | 25.6V |
9S | 33.3V | 28.8V |
10S | 37V | 32V |
11S | 40.7V | 35.2V |
12S | 44.4V | 38.4V |
13S | 48.1V | 41.6V |
14S | 51.8V | 44.8V |
15S | 55.5V | 48V |
16S | 59.2V | 51.2V |
17S | 62.9V | 54.4V |
18S | 66.6V | 57.6V |
19S | 70.3V | 60.8V |
20S | 74V | 64V |
21S | 77.7V | 67.2V |
22S | 81.4V | 70.4V |
23S | 85.1V | 73.6V |