| Cover | Nov. 11, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 11, 2024 |
| Entity File Number | 001-37960 |
| Entity Registrant Name | POLAR POWER, INC. |
| Entity Central Index Key | 0001622345 |
| Entity Tax Identification Number | 33-0479020 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 249 E. Gardena Boulevard |
| Entity Address, City or Town | Gardena |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90248 |
| City Area Code | (310) |
| Local Phone Number | 830-9153 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | POLA |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
