Exhibit 10.5


 





COMPREHENSIVE CREDIT LINE SUPPLEMENTARY
CONTRACT


 


Reference No.: 2016 zhenzhongyinbubuexiezi
No.0000445


Party A: Springpower Technology (Shenzhen)
Co., Ltd


Business Licences: 91440300670033477H


Legal Representative: Dangyu Pan


Address: Factory A, Chaoshun Industrial Zone,
Renmin Road, Fumin Residential Area, Guanlan, BaoAn District,


Postal code: 518000


Deposit A/C and financial institutions: Bank
of China, Pinghu Sub-branch, Shenzhen, *****


Telephone: 28010758; Facsimile: 28010758


 


Party B: Bank of China, Buji Sub-branch.


Legal Representative: ZHENG XIAOCHUAN


Address: 108, Buji Road, Buji Town, Longgang
District, Shenzhen; Postal code: 518000


Telephone: 22337156 ; Facsimile: 28772290


 


Party A and Party B for the development of
friendly and mutually beneficial relations of cooperation, in line with the principles of voluntariness, equality, mutual benefit,
sincerity, by consensus, reached the supplementary agreement for the credit contract NO 2016 zhenzhongyinbuexiezi No.0000445, as
an integral part of it, and has the same legal effect.


 


Clause 1 Guarantee


Party A and party B agree
that the article 7 guarantee clause of the credit line agreement shall be changed as follows:


For all the liabilities occurred under this
contract and the specific credit line contract affiliated to this contract should be guaranteed by the following:


Maximum Amount Guarantee provided by:


1) Shenzhen
Highpower Technology Co. Ltd, a guarantee contract is signed separately;


2) Huizhou Highpower Technology Co. Ltd, a
guarantee contract is signed separately;


3) Dangyu Pan, a guarantee contract is signed
separately;


Ganzhou Highpower Technology
Co., Ltd. no longer provides the maximum mortgage, and the maximum mortgage contract NO 2016 zhenzhongyinbudiezi 0045 signed with
party B terminates.


 


Under certain circumstances that Party A or
the Guarantor might be unable to fulfill or make Party B believe they are unable to fulfill the contractual capacity, e.g., Guarantee
Contracts are invalid, Party A is or will be under significant business difficulties or risks; deteriorated financials, litigation
issues which might affect its repayment ability, Guarantors were found default in other contracts with Party B, devaluation, dismissal
or damage of collaterals which might cause the value of the collaterals slaked or losses. Party B reserves the right to and Party
A has the obligation to additional or replace the guarantor.


 


Clause 2 Effectiveness
of Supplementary Agreements


This supplementary
agreement, as an effective supplement to the above credit line agreement, constitutes an integral
part of the credit line agreement and has the same legal effect as it. If the agreement of this supplementary agreement is inconsistent
with the credit line agreement, the agreement shall prevail; otherwise, the agreement of the credit line shall prevail.








     


     


    

 


Clause 3 Effectiveness of the Contract


This contract is established and entered into
effective upon signing or sealing by the legal representatives (or person-in-charge) of Party A and Party B or their duly authorized
agents, together with sealing by the company chop.


This contract will be print and signed in
two copies, Party A and B hold one copy each, each copy has the same legal effect.


 


/s/ Dangyu Pan


Stamp of Party A


Signature of director or authorized representative


 


/s/ [COMPANY SEAL]\


Stamp of Party B


Signature of legal representative or authorized
representative