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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Summary of Significant Accounting Policies  
Schedule of significant unobservable inputs adopted in the valuation

December 31, 2021

December 31, 2022

Unobservable Input

    

 

    

 

Expected volatility

 

61%

 

54%-61%

Probability

 

Liquidation scenario: 35%
Redemption scenario: 35%
IPO scenario: 30%

 

Liquidation scenario: 25%-40%
Redemption scenario: 25%-40%
IPO scenario: 20%-50%

Schedule of cash and cash equivalents

December 31,

December 31,

    

2021

    

2022

Cash and cash equivalents

 

15,333,719

 

19,887,575

Restricted cash

 

2,994,408

 

3,154,240

Long-term restricted cash

 

46,437

 

113,478

Total

 

18,374,564

 

23,155,293

Schedule of expected credit loss provision for the current and non-current assets

Balance as at December 31, 2021

Expected

Expected

Original

credit loss

credit loss

    

amount

    

Rate

    

provision

Current assets:

 

  

 

  

 

  

Trade and notes receivable

 

2,823,222

 

0.90

%  

25,417

Amounts due from related parties

 

1,564,025

 

0.81

%  

12,691

Prepayments and other current assets

 

1,854,075

 

0.21

%  

3,932

Non-current assets:

 

 

 

Other non-current assets

 

5,598,764

 

0.88

%  

49,309

Balance as at December 31, 2022

Expected

Expected

Original

credit loss

credit loss

    

amount

    

Rate

    

provision

Current assets:

 

  

 

  

 

  

Trade and notes receivable

 

5,157,814

 

0.77

%  

39,644

Amounts due from related parties

 

1,387,694

 

0.49

%  

6,738

Prepayments and other current assets

 

2,250,441

 

0.18

%  

4,033

Non-current assets:

 

 

 

Other non-current assets

 

7,488,200

 

1.20

%  

89,641

Schedule of estimate useful life of property, plant and equipment

    

Useful lives

Buildings and constructions

20 years

Production facilities

10 years

Charging & battery swap equipment

5 to 8 years

R&D equipment

5 years

Computer and electronic equipment

3 years

Purchased software

3 to 5 years

Leasehold improvements

Shorter of the estimated useful life or remaining lease term (ranging from 1-10 years)

Corporate vehicles

5 years

Others (office equipment, after-sales equipment, etc)

3 to 5 years

Schedule of estimate useful life of intangible assets, net

    

Useful lives

Domain names and others

5 years

Schedule of reconciliation of carried-forward warranty liabilities

For the Year Ended December 31,

    

2020

    

2021

    

2022

Warranty – beginning of year

 

412,004

 

952,946

1,962,977

Provision for warranty

 

582,069

 

1,078,854

1,128,920

Warranty costs incurred

 

(41,127)

 

(68,823)

(144,960)

Warranty– end of year

 

952,946

 

1,962,977

2,946,937