Answer:
Cold Cranking Amps (CCA) refers to the amount of power that a battery can discharge for 30 seconds at 32°F (0°C). It really is the amount of power you need to start your engine in any weather except winter. However, CCA is used to rate the starting performance of lead-acid battery products' in cold climates, and we normally will not use it to rate your device, which is a lithium-ion jump starter.
Generally, we will use the peak current to measure the jump starter’s performance. Learn more about the peak current:
The Peak Current of jump starter:
| Alpha 65 | Alpha 85 | Alpha 85S | Alpha 100 | |
| Peak Current ※ |
1,200 Amps
|
2,000 Amps | 2,000 Amps | 4,000 Amps |
| Lasting Time | 30 Milliseconds | 30 Milliseconds | 30 Milliseconds | 50 Milliseconds |
Note: The rate of the peak current depends on the lab results, which may vary depending on the testing equipment and environmental temperature.
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