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Concentrations and Credit Risk (Details) - Schedule of net purchase by suppliers - USD ($)	Mar. 31, 2021		Mar. 31, 2020
Supplier A [Member]
Concentrations and Credit Risk (Details) - Schedule of net purchase by suppliers [Line Items]
Net purchase	$ 659,513			[1]
Concentration risk, percentage of net purchase	10.21%			[1]
Zhengzhou BAK Battery Co., Ltd [Member]
Concentrations and Credit Risk (Details) - Schedule of net purchase by suppliers [Line Items]
Net purchase	$ 1,259,309			[1]
Concentration risk, percentage of net purchase	19.49%			[1]
Shenzhen BAK [Member]
Concentrations and Credit Risk (Details) - Schedule of net purchase by suppliers [Line Items]
Net purchase		[1]	$ 3,841,680
Concentration risk, percentage of net purchase		[1]	82.43%
[1] Comprised less than 10% of net purchase for the respective period.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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