Exhibit 10.4(b)


 


Maximum Amount Guaranty Contract


 


Contract No.:NO: BZ161214000045


 


Guarantor: Springpower Technology (Shenzhen)
Co., Ltd.


 


Address: Workshop A, Shun Industrial Zone,
Baoan District


 


Creditor: Bank of Jiangsu, Shenzhen Sub-branch.


 


Address:4011, Shennan Road, Futian District,
Shenzhen.


 


In order to guarantee the performance of
debts under item one of this contract, the guarantor provides the guarantee to the creditor voluntarily, and the two parties entered
into this contract after equal negotiation.


 


Article 1: Master contract


 


The master contract
hereunder is    A     .


 


A. The creditor
and the debtor Shenzhen Highpower Technology Company Limited entered into this contract of maximum amount
comprehensive credit line whose number is SX 161214000368, and has or will enter into the separate facility
business contract, as well as amendments and supplements.


 




    	 



    	 



    

  


B. The creditor and the debtor, from     year   month   day    to    year month   day
, entered into the contracts of loans, bank acceptance drafts, trade financing, letter of guarantee, funds business, and other
agreement, as well as amendments and supplements.


 


Article 2: Primary credit and period


 


Except the period
determined or agreed separately in accordance with the laws, the actual credit under the master contract consists of the primary
credit of the contract in the below period:      A     .


 


A. From the effective
date of “maximum amount comprehensive credit line contract” in article one to the expiration date of facility period
stipulated in this contract and amendments or supplements.


 


B. From ___ year
__ month ___ day __ to __ year __ month __ day under article one of this contract.


 


Article 3: Guarantee Coverage


 


The scope of
guaranty of creditor hereunder covers all debts occurring under this contract by the debtor, including but not limited to principal,
interest expenses, compounded interests, penalties, processing fees, default expenses, damage compensation, legal fees, escrow
fees, taxation expenses, arbitration fees, travel fees, assessment fees, auction fees, property preservation fees, compulsory execution
fees and other expenses for realization of the creditor’s rights.


 




    	 



    	 



    

  


Article 4: Maximum amount of the guaranty


 


The maximum amount
which the guarantee assumed hereunder is at most no more than RMB 20 million only. The maximum amount of guaranty hereon
is loan principal balance by total amount (meaning the line of credit deducting the amount of cash deposit) of use of loans and
facility actually under the master contract signed between creditor and debtor and in the period as mentioned in the contract deducting
the part of repaid, excluding the proceeds of payable except the principal stipulated in article 3, such as interest expenses and
penalties, etc., but the guarantee shall still assume the joint liquidated liability.


 


The guarantor agrees that the debtor can
recycle the loans under master contract, and agrees that the debtor can adjust the credit line of all kinds of loans within the
line of credit hereunder, and the guarantor shall assume the joint guarantee liability.


 




    	 



    	 



    

  


Article 5: The guarantor has read
the contract comprehensively and carefully and fully understands the master contract entered into between creditor and debtor,
and upon the request of guarantor, the creditor has made the terms interpretation accordingly as for the master contract and the
contract hereunder, and the guarantor is fully aware of and understands all terms of the master contract and the contract hereunder,
and signed this contract willingly. The guarantor is fully aware of the legal consequences for the conclusion and performance of
the master contract and the contract hereunder may give rise to, and fully confirms the obligations related to this contract.


 


Article 6: The guarantor shall assume
the responsibilities for all debts owed by the debtor to the creditor under the master contract, including the debts arising from
prepayment requested by the creditor. After receiving the written notice sent by creditor, the guarantor shall perform the settlement
responsibilities according to the time, type of currency, amount, and method of settlement specified by the creditor, and commit
to the creditor that the creditor has the right to deduct all amounts of guaranty from the guarantor’s account when the creditor
deems appropriate, if the deducted proceeds constitute foreign currency, the currency shall be calculated according to the bid
price published by the creditor at the deducted date.


 




    	 



    	 



    

  


Article 7: The guarantee obligation
of the guarantor (including the inheritor, assignee, and conservator of the guarantor) are continuous under this contract, and
shall not be affected by the change of the guarantor or the debtor (including but not limited to merger, split, recombination, conduct
title transaction or transactions of managerial authority by way of lease, contract, and so on). If the debtor’s subject
qualification ceases to exist before debtor repays the loans hereunder, or the debtor declares that its subject qualification ceases
within six months from the date debtor repaid all of the loans leading to its foregoing repayment activity invalid, the guarantor’s
warranty obligations is still effective.


 


Article 8: The term of the guaranty
hereunder is from the date of effective to two years after expiration of the debts hereunder (including the maturity of extension
period).


 


Article 9: The guaranty obligations
under this contract shall not be affected by any change in the terms and conditions of the master contract agreed by both creditor
and debtor (including but not limited to amendments, supplements, and cancellations). If the creditor and debtor agree to extend
or delay the performance of the obligations hereunder, the contract hereunder shall continue to be valid. In the event of the creditor
transfers its creditor’s right to others in the period of guaranty according to the law, the guarantor will continue to assume
the guaranty responsibility within the scope of the guaranty.


 




    	 



    	 



    

  


Article 10: The guarantor makes
the following commitment to the creditor unconditionally and irrevocably: if the debtor fails to or delays to fulfill the obligations
of the master contract, or confirms the invalidity of the master contract, or due to the guarantor fails to or delays performance
of any clause hereunder leading to a loss to the creditor, all of such losses shall be a debt payable byte guarantor to the creditor.


 


Article 11: Whatever reasons leading
to the master contract being invalid in law or partially invalid, the guarantor shall still assume the guaranty responsibility
for the debtor’s repayment liability in accordance with the terms listed hereunder. The guarantor’s pledge to monitor
the debtor’s use of the loans (facility), in the event of the debtor’s change the purpose of the loan, the guarantor
shall still assume the guaranty responsibilities.


 


Any tolerance, grace or postponement of
the exercise of any right preferential by the creditor to the guarantor under this contract, shall not affect, damage, or restrict
the creditor’s rights in accordance with the contract hereunder, laws and regulations, and normative documents, and shall
not be deemed as giving up the rights and benefits under this contract, and shall not affect any obligations assumed by the guarantor
under this contract.


 




    	 



    	 



    

  


Article 12: If there is any collateral
security other than this guarantee under this contract, the guarantor is willing to perform the joint guaranty responsibility prior
to collateral security on all guaranty debts.


 


Article 13: The guarantor is an
entity established in accordance with the laws, is qualified to identify the contract hereunder and perform joint guaranty responsibility.
In addition, signing this contract has obtained empowerment thereof, and the process of performing the contract has been completed.


 


Article 14: The guarantor’s
signing and performance of this contract is its real intention, is true and effective and legal, and shall not affected by any
relationship of any party hereunder and others or other any events.


 


Article 15: The debts hereunder
have equal position with guarantor’s other debts, and shall be in the same compensation sequence.


 


Article 16: If the guarantor enters
into the counter guarantee contract with the debtor upon this contract, this counter guarantee contract shall not damage the creditor’s
interests, and when the guarantor’s compensation arising from the counter guarantee contract and the creditor’s claim
are in the same sequence, the creditor shall be compensated prior to the guarantor.


 




    	 



    	 



    

  


The guarantor shall not request the debtor
to set up a counter guarantee by way of a property pledge as to the obligations assumed by the debtor hereunder.


 


Article 17: The guarantor’s
responsibility shall decrease gradually with the decrease of the debts hereunder.


 


Article 18: The guarantor shall
provide the true, complete, valid financial statements and other relevant materials and information as required by the creditor.


 


Article 19: In the event of guarantor
changes its residence, mailing address, telephone number, the scope of its business, or the legal representative, it shall notice
the creditor in written within 10 days from the date the change events occurred.


 


Article 20: If a notary agency mandates
enforceable status to this contract, guarantor agrees to be enforced by the legislative body and gives up the right of defense.


 




    	 



    	 



    

  


Article 21: The application of laws
and resolution of dispute


 


The signing, effectiveness, interpretation,
performance and settlement of disputes of this contract shall apply for the People's Republic of China's laws. If there are any
disputes based on this agreement, the contracting parties could attempt to resolve them through negotiation. If negotiation fails,
the parties shall resolve the disputes according to the following way of     A    :


 


A. Institute
legal proceeding to the court where the creditor located.


 


Article 22: This contract and any
modifications and supplements of it are entered into in force upon the date when it is signed or sealed and affixed with official
seals by the legal representative or entrusted agents of both parties.


 


Article 23: Other items appointed by
both parties.


 


The things which
are not mentioned in this contract should be explained and settled according to relevant laws, administrative laws and regulations,
normative documents and the related regulations of Bank of Jiangsu.


 




    	 



    	 



    

  


Article 24: This agreement is in
triplicate, Party A has one copy, Party B has two copies, and three copies have the same legal effect.


 


Guarantor (stamp): /s/ [COMPANY SEAL]


 


Legal representative or agent:


 


Creditor (stamp): /s/ [COMPANY SEAL]


 


Legal Representative or agent: