Document:

Exhibit 10.5

 

Comprehensive Credit Line Contract

Reference No. : 2016 zhenzhongyinbuexiezi
No.0000444

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

Business License: 440307503274740

Legal Representative: Dangyu Pan

Address: Building 1, No 68, Xinxia Road,
Pinghu Stereet, Longgang, Shenzhen

Postal code: 518000

Deposit A/C and financial institutions:
Bank of China, Pinghu Sub-branch, Shenzhen, 744557938816

Telephone: 0755-89686236 ; Facsimile: 0755-
89686298

 

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

Legal Representative: DENG ZHENGBO

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

Telephone: 0755-22337156 ; Facsimile: 0755-28772290

 

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 following agreement:

Clause 1 Scope of Business

Satisfied by condition precedent defined
in this contract, Party A is allowed to apply for recurring, temporary or one-off credit line from Party B in the form of a short-term
loan, deposit account overdraft, bank acceptance, trade finance, bank guarantee, or other monetary financing or credit authorization
business (“Specific credit line business”).

The trade finance business under this contract
is included and limited to: international letter of credit, domestic letter of credit, import bill advance, shipping guarantee,
packing credit, export bill purchase, export bill discount, import bill advance under LC, negotiation credit and other international
and domestic trade finance business.

The bank guarantee business under this
contract is including bank guarantee, standby letter of credit and all sorts of bank guarantee business.

 

Clause 2 Types and amount of credit line

Party B agrees to offer the following:

Currency in: Renminbi

Amount:Renminbi eighty million

RMB 80,000,000.00

Types:1. Loans : RMB50,000,000.00

2. Bank Acceptances: RMB30,000,000.00

Clause 3 Usage of credit lines

1. Within the credit line period, under
the agreed upper limits on each type of credit line, Party A can use the credit line recurrently. If Party A needs to apply for
the one-off credit line, a written application is required. And both parties should agree that Party B has the final say on whether
and how the one-off credit line will be granted. Party B will notify Party A in written once the decision is made.

2. This contract will override all the
credit line contracts previously signed by Party A and Party B. Upon the effective date of this contract, all the used and unused
credit lines prior to this contract will be considered as used and unused credit lines under this contract

     

     

    

 

3. Unless otherwise agreed, the following
business will not occupy the credit line under this contract.

1)       Export
bill purchase business with precisely matched bills, documents and certificates

2)       Outwards
letters of credit, bank guarantee and trade finance business which Party B agreed to act as confirming bank.

3)       Any
credit line business which guaranteed by Party A by deposits, government bonds, deposit certificates issued by Party B, bank acceptance,
guarantee or standby letters of credit accepted by Party B

4)       Any
other business agreed by both parties.

The above defined businesses, although
they will not occupy the credit limits under this contract, they will still be considered as inseparable part of the contract.

 

Clause 4 Application of specific credit
line business

Written applications or separate contracts
are required from Party A to apply for a specific credit line.

 

Clause 5 Period

The credit line defined in clause 2 under
this contract will be started from the effective date and end on July 11, 2019.

Upon negotiation, both parties can extend
the contract period by signing supplementary contracts. Party B will continue to provide credit lines under supplementary contracts.
All terms and conditions under this contract have the equivalent legal effects and restrictions on the supplementary contracts.

The termination of a specific credit line
will only occur when all the rights and obligations are fulfilled. The above period has no limitation on specific credit line under
this contract.

 

Clause 6 Condition Precedents of specific
credit line business

Party A should fulfill the following conditions
precedent before applying for a specific credit line business

1)       File
the necessary documents, stamps and signatures in Party B in relating to this contract and all the specific credit line contract
under this contracts

2)       Open
the necessary bank account

3)       Make
sure the required guarantee contracts are properly in place

4)       Other
conditions precedent required for specific credit line contracts

5)       Other
conditions precedent required by Party B

 

Clause 7 Guaranty

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)       Springpower
Technology (Shenzhen) Co. Ltd, a guarantee contract is signed separately;

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

Collateral on the Maximum Amount

1)       The
collateral is provided by Shenzhen Highpower Technology Co. Ltd, a collateral contract is signed separately;

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 8 Statement and Commitment

1. Party A’s statement:

1) Party A is legally
registered and operating, and owning the full civil rights required by this contract.

2)       Signing
and performing the contract is the true will of Party A, Party A has been granted all necessary authorizations in effect before
signing the contract. The contract does not form a default for other contracts signed and performed by Party A. It is Party A’s
responsibility to complete all required approvals, registrations, permits and filings.

3)       All
documents and information provided by Party A to Party B are true, complete, accurate and effective.

4)       All
the transactions mentioned by Party A for apply specific credit line should be real and not for illegal purposes such as: money
laundry.

5)       No
hidden events regarding Party A and guarantor’s financial and repayment abilities

2.       Party
A’s commitment:

1)       Timely
delivery of the financial statements and other relevant information, (including but not limited to annual, quarterly and monthly
financial reports.

2)       Cooperate
in Party B’s exam and inspection on the utilization of the loan as well as Party A’s financials and operations

3)       Any
counter-guarantee agreement between the guarantors and Party A will not affect the Party B’s underlying rights under this
contract

4)       Under
circumstances Party A or Guarantor’s capability of performing the contract might be affected, Party A should notify Party
B in time. Those circumstances include but are not limited to significant organizational changes, e.g. business splitting, merger
and termination, disposal of major assets, restructuring, reorganization, joint venture arrangement with foreign capitals, changing
of controlling shareholders or de facto control of Party A, capital reduction, liquidation, re-pledge of the encumbered assets,
withdrawal, bankruptcy, dissolution and involvement in significant lawsuits.

5)       Party
A committed not to distribute bonus during the credit period

6)       Agreed
by both parties, for the purpose to ensure the Party B’s claims on credit funds and Party B’s convenience to monitoring
the repayment progress, Party A should guarantee the proportion of sales fund received in Party A’s account opened with Party
B over Party A’s total sales should be matching to the proportion of Party A’s credit line received from Party B over
Party A’s total credit line received from financial institution.

7)       During
the period of credit, the company's (Party A/Icon Energy System (Shenzhen) Co., Ltd./Springpower Technology (Shenzhen) Co., Ltd.)
pledge of accounts receivable to a third party to get the written consent of party B, and party B shall enjoy the right of accounts
receivable pledge first place; the equipment of Party A/Icon Energy System (Shenzhen) Co., Ltd./Springpower Technology (Shenzhen)
Co., Ltd./Huizhou Highpower Technology Co., Ltd. cannot be mortgaged to any third party.

8)       If
any one borrower of Party A/Icon Energy System (Shenzhen) Co., Ltd./Springpower Technology (Shenzhen) Co., Ltd. defaults, Party
B can think other borrowers to default, and have the right to take appropriate preservation measures; if group (HPJ) ratio above
75%, Party B has the right to request Party A to increase measures or reduce the credit limit, until the debt ratio below 75%.

9)       Party
A promises to provide collateral did not sign more than 3 years of the lease.

10)       Something
out of this agreement and individual agreement, Party A agrees to be dealt with in accordance with Party B's relevant provisions
and business practices.

 

     

     

    

Clause 9 Related party and related party
transaction of Party A

Party A is not defined as Group Credit
Customer by Party B in accordance with “Guidance of Risk Management by Commercial Banks for Granting Credit to Customer Groups”

 

Clause 10 Breach of Covenants

Any of the following situations would be
considered as breach of contract covenant:

1.       Party
A did not perform the repayment obligation under this contract or the affiliated specific credit line contracts

2.       Party
A has not used the credit funds according to agreed purposes.

3.       Party
A’s statement in this contract or the affiliated specific contracts are untrue or in violation with Party A’s commitment
in this or the affiliated specific contracts.

4.       Under
the circumstance defined in 2.4) in Clause 8, Party A refused to provide additional guarantee or replacement of new guarantor

5.       Party
B is or will be under significant business difficulties or risks: deteriorated financials, significant financial losses and loss
of assets (including but not limited asset losses for fulfill guarantee obligations) or other financial crisis.

6.       Party
A is in violation with other rights and obligations agreed in this contract.

7.       Party
A breaches the covenants on other credit line contracts with Party B or other affiliated institutions of Bank of China.

8.       Guarantors
breach the covenants on other credit line contracts with Party B or other affiliated institutions of Bank of China.

When any of the above mentioned situation
noticed, Party B will perform the following in separate or all at the same time:

1)       Request
Party A or Guarantor to rectify within a definite time.

2)       Reduce,
temporarily pause or permanently terminate Party A’s Credit limit in part or in all

3)       Temporarily
pause or permanently terminate in part or in all of Party A’s application on specific credit line under this contract.

4)       Announce
the immediate expiration on all the credit lines granted under this contract and affiliated specific credit line contracts.

5)       Terminate
or release this contract, terminate or release in part or in all of the affiliated specific credit line contracts as well as the
other contracts signed between Party A and Party B.

6)       Request
compensation from Party A on the losses thereafter caused.

7)       Party
A’s deposit account in Party B will be hold in custody for debt pay off for the comprehensive credit line and specific credit
line under this contract. All the undue liabilities were deeming due and entitled the immediate payoff from Party A’s restricted
accounts. If the currency in deposit account is different from the currency of the liabilities, the exchange rate on the date of
the hold in custody will be applied.

8)       Real
rights granted by way of security will be executed.

9)       Assume
the guarantee responsibility on Guarantors.

10)       Other
necessary procedures on Party B’s concern

 

     

     

    

Clause 11 Rights reserved

Either party might reserve part of or all
of the rights under this contract and the affiliated specific credit line contracts, this does not imply the party has surrendered
or remitted the unperformed rights and obligations.

 

Either party might sometimes tolerate,
extend or delay the execution of certain rights, this does not deem as the party has surrendered or remitted the rights.

 

Clause 12 Change, Modification, Termination
and Partial invalidity

Upon negotiation and agreement by both
parties, this contract can be changed and modified, the written record of the changes and modifications should form the inseparable
part of this contract.

 

Unless ruled by law or both parties formed
a separate agreement, the contract would not be terminated prior to all the rights and obligations defined are fulfilled.

Unless ruled by law or both parties formed
a separate agreement, the void of single terms under this contract should no invalid other contract under this contract.

 

Clause 13 Applicable Law and Resolution
for Dispute

1. This contract is entered into according
with the People’s Republic of China, and applicable to the law of the People’s Republic of China.

2. The resolution of dispute should be
appealed in Party B or other Bank of China subsidiaries defined in this contract or other affiliated contracts

 

Clause 14 Attachments

The following annexes and other annexes
and single agreements commonly confirmed by both parties shall constitute an integral part of this Agreement and shall have the
same equal legal force as this Agreement.

Annex 1: Attached Provisions for Individual
Cases.

 

Clause 15 Other terms and conditions

1. Without Party B’s prior written
approval, Party A is not allowed to transfer the rights and obligations under this contract to 3rd Parties.

2. Party A should give the consent that,
Party B might somehow authorize other affiliated institutions of Bank of China to perform the obligation. The performing party
is entitled to all the rights and obligations under this contract and the affiliated credit line contracts, the performing party
reserves the rights to appeal a resolution of dispute if necessary.

3. The contract has equivalent restrictions
to the successors or inherits of both parties.

4. Unless otherwise agreed, the domicile
addresses stated in this contract are for corresponding use; both parties should notify each other in writing about any changes
of its domicile addresses.

5. The title and name of business product
is for business purposes, will not used for interpretation of the contract terms and the rights and obligations.

6. If required by the governing institutions,
Party B might not be able to perform the obligations agreed in this contract. Party is exempted from punishment under this circumstance.

 

Clause 16 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 seven copies, Party A and the guarantors hold one copy each, Party B holds three copies, collateral registry authority holds
one copy, 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 /s/ Deng Zhengbo

 

Annex 1: Attached Provisions for Individual
Cases.

If there are discrepancies in contents
in the attachment with this contract, this contract should prevail. The clause 1/2 of this contract prevail the credit contract.

1. Specific to the 2nd paragraph of Clause
3:” This contract will override all the credit line contracts previously signed by Party A and Party B. Upon the effective
date of this contract, all the used and unused credit lines prior to this contract will be considered as used and unused credit
lines under this contract”.

“all the credit line contracts previously
signed” here means the contract signed with reference no of “2015 zhenzhongyinbuexiezi No. 0000465.

2. The article 6 of this agreement "sequel,
the premise condition of individual credit business" 5 "Party B that Party A shall meet other conditions as" adjustment
of article 6, original article 5 is adjusted for "credit line of Party A within the time limit for every year of careful for
examination and approval byParty B.Exhibit 10.5(a)

Maximum Amount Guaranty Contract

(Applicable if guarantor is natural person)

Reference No. : 2016zhenzhongyinbubaoezi
No.00444B

 

Guarantor: Dangyu Pan

Type of certification: identification card

Certification number: 430104196803184316

Address: Building A2, Luoshan Industrial
Zone, Longgang District, Shenzhen

Postal code: 518000

Telephone: 0755-89686236 ; Facsimile: 0755-89686298

 

Creditor: Bank of China, Buji Sub-branch.

Legal Representative: DENG ZHENGBO

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

Telephone: 0755-22337156 ; Facsimile: 0755-28772290

 

To guarantee the performing of the principle
contract stated in Clause 1, both parties agree the following:

 

Clause 1 Principle Contract

1.       The
principle contract is “Comprehensive credit contract (2016zhenzhongyinbuexiezi No 0000444)” and its supplements signed
between Creditor and Debtor, Shenzhen Highpower Technology Co., Ltd

 

Clause 2 Principle Creditor’s rights
and the period

Unless otherwise agreed, the creditor’s
rights under the following contracts and the creditor’s rights occurred before the engagement of this contract constitutes
the principle creditor’s rights of this contract.

The creditor’s right occurred under
comprehensive contract starting from the date of effectiveness, and ends upon the expiration of all the specific creditor’s
rights.

 

Clause 3 The maximum amount guaranteed

1. The maximum amount assumed guaranteed
is:

Currency: Renminbi

Amount (Capital letter): eighty million

Amount (in numbers): 80,000,000.00

 

2. The principle creditor’s rights
under the principle contract constitute the principle creditor’s rights under this contract, which includes: loan principle,
interest, compound interest, punitive interest, liquidated damage, the cost for realization of the creditor’s right (includes
but not limited to the announcement fee, delivery fees, appraisal fees, legal fees, travel expenses, assessment fees, auction fees,
the property preservation fee, compulsory execution fee and etc), as well as the Pledgee’s loss due to the breach of covenants.

 

The sum of the above terms constitutes
the maximum amount of guaranteed for this contract.

 

Clause 4 Types of guaranty

Joint responsibility guaranty.

 

     

     

    

Clause 5 The guarantee responsibilities

Under the circumstance that, the debtor
of principle contract failed to pay off the creditor’s rights when due (on due date or early termination date), the guaranty
is assumed to be responsible in accordance with this contract.

The due date in the previous sentence means
the repayment date agreed in the principle contract. The early termination date is the termination date request by creditor per
law or per agreements under the principle contracts.

Creditor’s rights on other guarantee
contracts or collateral contracts should not have an impact on the performing of this contract. Guarantor should assume responsibility
under this contract rather than plea with the execution in order.

 

Clause 6 The responsible period

The responsible period for this contract
is two years after the establishment of the creditor’s rights under Clause 2

During the period, Creditor is entitled
to the right to request the assumption of responsibility from Guarantor in full or in part on one or on all creditor rights.

 

Clause 7 The duration of action

During the period that the creditor’s
rights have not been paid off when due, Guarantor is assumed responsible under the joint responsibility guarantee. Creditor is
entitled to claim the rights within the responsible period defined in Clause 6, the duration of action started upon the request.

 

Clause 8 The relationship between this
contract and the principle contract

Upon the termination or early termination
of the principle contract, Guarantor assumes guarantee responsibility on occurred debt.

The change of principle contract will not
be informed to the Guarantor unless under the following circumstances, change of currency, interest rate, amount, period, or other
terms which might affect the increase of the amount of the principle creditor’s rights or extend the effective period of
the principle contract. Guarantor remains obligated to assume the guarantee responsibility to the changed principle contract.

Under the previous stated circumstance
which Guarantor‘s consent is required, Pledgor Guarantor is entitled to the right to reject to assume the guarantee responsibility
on the incremental portion.

Under the circumstances that, Creditor
provide the letter of credit, trade financing services to debtor under the principle contract, Guarantor won’t be notified
but assumed guarantee responsibility. It is the Creditor’s responsibility to registry for the incremental business contract.

Clause 9 Statements and Commitments

 

Guarantor’s statement:

a)Guarantor is a natural
person who possesses the capacity for civil rights and civil conducts in People’s Republic of China to perform this contract.
Party A can perform the civil conduct independently, no bad credit records such as debt overdue, overdue interest, malicious overdraft
on credit card, no criminal records, qualified to be a legal guarantor.

b)Guarantor has full
understanding about the terms and conditions set forth in the contract. It is Guarantor’s true will to provide guarantee
to debtor.

c)The establishment
of this contract will not constitute a breach of covenant of any other previous contract Guarantor engaged in.

     

     

    

 

d)All documents and
information provided by Guarantor to Creditor are true, complete, accurate and effective.

e)Guarantor is willing
to cooperate in the checking and inspection of its financial conditions performed by Creditor.

f)Guarantor did not
conceal any existing liability upon the signing of the contract

g)Inform the Creditor
in time for any issues might affect Guarantor’s performing capability, which including but not limited to losses of assets,
transfer, donation, assume responsibility on liabilities, involved in significant law suits or disputes.

h)If the Guarantor
is married, make sure the sponsor’s consent is obtained.

 

Clause 10 Authorization of access to personal
information

Guarantor authorizes the access of personal
information in the personal credit information database in the People’s Bank of China to Creditor under the following circumstances.

1. Reference check on the Guarantor’s
credit status.

2. Reference check on the Guarantor’s
guarantee status.

3. After-loan management on the personal
credit and guarantee status

4. Accept the credit line application of
which the Guarantor guaranteed or to be legal representative or one of the funders.

 

Clause 11 Breach of covenants

Any of the following situations would be
considered as breach of contract covenant:

1. Guarantor is in violation with the previous
terms of the contract.

2. The statements of the Guarantor is untrue
or in violation with its commitments

3. The occurrence of issues defined under
the point 7 of clause 9 which might affect the Guarantor’s financial position and performing capability.

4. In violation with other rights and obligations
agreed in this contract.

5. Guarantor breaches the covenants on
other credit line contracts with Party B or other affiliated institutions of Bank of China.

 

When any of the above mentioned situations
noticed, Creditor will perform the following in separate or all at the same time:

1) Request Guarantor
to rectify within a definite time.

2) Reduce, temporarily
pause or permanently terminate Guarantor’s Credit limit in part or in all

3) Temporarily pause
or permanently terminate in part or in all of Guarantor’s application on specific credit line under this contract.

4) Announce the immediate
expiration on all the credit lines granted under this contract and affiliated specific credit line contracts.

5) Terminate or release
this contract, terminate or release in part or in all of the affiliated specific credit line contracts as well as the other contracts
signed between Guarantor and Creditor

6) Request compensation
from Guarantor on the losses thereafter caused.

7) Assume the guarantee
responsibility on Guarantors.

8) Other necessary
procedures on Party B’s concern

 

     

     

    

Clause 12 Rights reserved

 

Either party might reserve part of or all
of the rights under this contract and the affiliated specific credit line contracts, this does not imply the party has surrendered
or remitted the unperformed rights and obligations.

Either party might sometimes tolerate,
extend or delay the execution of certain rights, this does not deem as the party has surrendered or remitted the rights.

 

Clause 13 Change, Modification, Termination
and Partial invalidity

 

Upon negotiation and agreement by both
parties, this contract can be changed and modified, the written record of the changes and modifications should form the inseparable
part of this contract.

Unless ruled by law or both parties formed
a separate agreement, the contract would not be terminated prior to all the rights and obligations defined are fulfilled.

Unless ruled by law or both parties formed
a separate agreement, the void of single terms under this contract should no invalid other contract under this contract.

 

Clause 14 Applicable Law and Resolution
for Dispute

 

1. This contract is entered into according
with the People’s Republic of China, and applicable to the law of the People’s Republic of China.

2. The resolution of dispute should be
appealed in Party B or other Bank of China subsidiaries defined in this contract or other affiliated contracts

 

Clause 15 Attachments

 

Sponsor’s consent.

 

Clause 16 Other terms and conditions

1.       Without
Creditor’s prior written approval, Guarantor is not allowed to transfer the rights and obligations under this contract to
3rd Parties.

2.       Guarantor
should give the consent that, Creditor might somehow authorize other affiliated institutions of Bank of China to perform the obligation.
The performing party is entitled to all the rights and obligations under this contract and the affiliated credit line contracts,
the performing party reserves the rights to appeal a resolution of dispute if necessary.

3.       The
contract has equivalent restrictions to the successors or inherits of both parties.

4.       Unless
otherwise agreed, the domicile addresses stated in this contract are for corresponding use; both parties should notify each other
in writing about any changes of its domicile addresses.

5.       The
title and name of business product is for business purposes, will not used for interpretation of the contract terms and the rights
and obligations.

 

Clause 17 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 Pledgor and Pledgee or their duly
authorized agents, together with sealing by the company chop.

     

     

    

 

The pledge is established upon the effectiveness
of this contract.

This contract will be printed and signed
in five copies, Guarantor and the debtor hold one copy each, Creditor holds three copies; each copy has the same legal effect

 

/s/ Dangyu Pan

Signature of Guarantor and Sponsor

 

/s/ [COMPANY SEAL]

Stamp of Creditor (if Pledgee is a corporation)

Signature of legal representative or authorized
representative

/s/ Deng Zhengbo

 

Consent letter

I (Name: Zhoutao Yin, Certificate Type:
Identification Card , ID Number: 430104196810294329) am the spouse of the guarantor DANG YU PAN under the maximum amount guarantee
contract (No. : 2016 zhenzhongyinbubaoezi No.00444B). I agree to undertake the responsibility of the maximum amount guarantee contract
by the couple's property.

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