Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
3 Months Ended
Mar. 31, 2020
Jun. 29, 2020
Document and Entity Information [Abstract]    
Entity Registrant Name Polar Power, Inc.  
Entity Central Index Key 0001622345  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Type 10-Q  
Document Period End Date Mar. 31, 2020  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2020  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Interactive Data Current Yes  
Entity Current Reporting Status Yes  
Entity Common Stock, Shares Outstanding   10,125,681
Entity Incorporation State Country Code DE  
Entity File Number 001-37960