Summary of Significant Accounting Policies (Policies) |
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| Accounting Policies [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Basis of Presentation | Basis of Presentation
The accompanying unaudited financial statements have been prepared by the Company in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information, and pursuant to the instructions to Form 10-Q and Article 10 of Regulation S-X promulgated by the Securities and Exchange Commission (“SEC”). Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statement presentation. However, the Company believes that the disclosures are adequate to make the information presented not misleading. In the opinion of management, all adjustments (consisting primarily of normal recurring accruals) considered necessary for a fair presentation have been included.
Results of operations for the three-month periods ended March 31, 2026 and 2025 are not necessarily indicative of the results that may be expected for the year ending December 31, 2026 or for any other reporting period. The unaudited interim financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2025, filed with the SEC on March 17, 2026 (the “Annual Report”).
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| Reclassification of Prior Year Presentation | Reclassification of Prior Year Presentation
Certain prior year amounts have been reclassified for consistency with current year presentation. These reclassifications had no effect on the reported results of operations.
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| Going Concern | Going Concern
The Company’s activities are subject to significant risks and uncertainties, including that it may be unable to secure additional funding before it achieves profitability or positive cash flow from operations. The Company expects to continue to incur operating losses for the foreseeable future, and will need to raise additional debt or equity financing to fund working capital, purchase inventory, expand its presence in the marketplace, develop new products, achieve operating efficiencies, and accomplish its long-term business plan. There can be no assurance that additional financing will be available on acceptable terms or at all.
Historically, the Company’s operations have been funded through a combination of sales of equity securities, and issuances of third-party debt and working capital loans. As presented in the accompanying financial statements, the Company has sustained recurring losses and negative cash flows from operations and has a significant negative stockholders’ equity balance. The Company incurred net losses of $1.8 million and $1.2 million for the three months ended March 31, 2026 and 2025, respectively, and incurred net losses of $6.2 million and $13.5 million for the years ended December 31, 2025 and 2024, respectively. The Company had negative cash flows from operating activities of $1.1 million and $1.2 million for the three months ended March 31, 2026 and 2025, respectively, and negative cash flows from operating activities of $6.1 million and $9.6 million for the years ended December 31, 2025 and 2024, respectively. In addition, the Company had accumulated deficits of $42.6 million and $40.8 million as of March 31, 2026 and December 31, 2025, respectively. The Company has never achieved profitability or positive cash flows from operations, and may not be able to do so for the foreseeable future. In addition, the Company had a cash and cash equivalents balance of $3.1 million as of March 31, 2026. These factors raise substantial doubt about the Company’s ability to continue as a going concern within twelve months from the date that the financial statements in this Quarterly Report were issued. However, management is working to address its operational and liquidity challenges, including raising additional capital, managing inventory levels, identifying alternative supply chain resources, and managing operational expenses.
The accompanying financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and the settlement of liabilities and commitments in the normal course of business; however, the above conditions raise substantial doubt about the Company’s ability to do so. The financial statements do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities that may result should the Company be unable to continue as a going concern.
For additional information regarding the significant risks and uncertainties that may impact our business and financial results, see Part II, Item 1A, “Risk Factors” in this Quarterly Report.
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| Use of Estimates | Use of Estimates
The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period. The Company’s significant accounting estimates include the carrying value of inventory, the depreciable lives of fixed assets, operating lease assets and liabilities, and stock-based compensation and warrant valuation. Management evaluates its estimates and assumptions on an ongoing basis using historical experience, existing and known circumstances, authoritative accounting guidance, and other factors management believes to be reasonable and makes adjustments when facts and circumstances dictate. These estimates are based on information available as of the date of the financial statements. Actual results could differ from these estimates, which may result in material effects on the Company’s financial condition, results of operations and liquidity. To the extent there are differences between these estimates and actual results, the Company’s financial statements may be materially impacted.
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| Inventory | Inventory
Inventory generally consists of batteries and accessories, resale items, components, and related landing costs. Inventory is stated at the lower of cost (first in, first out) or net realizable value.
As of March 31, 2026 and December 31, 2025, the Company had inventory that consisted of finished assemblies totaling $1,878,269 and $2,269,267, respectively, and raw materials (inventory components, parts, and packaging) totaling $555,312 and $589,513, respectively. The stated inventory value is inclusive of fixed production overhead costs based on normal capacity of the assembly warehouse.
The Company periodically reviews its inventory for evidence of slow-moving or obsolete inventory and provides for an allowance when considered necessary. In 2025, the Company wrote off and wrote down $919,730 in obsolete inventory, and in the three months ended March 31, 2025, an additional $21,187 in obsolete inventory was written off, in addition to expensing $58,207 in marketing-related products previously recorded as inventory. A portion of the obsolete inventory was sold for scrap or recycled, and a portion has been retained to use in marketing promotions and was either written down to its estimated net realizable value or written off completely. The value of obsolete inventory that remains on the Balance Sheet as of March 31, 2026 is $472,851.
The Company prepays for inventory purchases from foreign suppliers. Prepaid inventory totaled $174,362 and $318,440 as of March 31, 2026 and December 31, 2025, respectively, and included inventory in transit where title had passed to the Company but had not yet been physically received.
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| Vendor and Foreign Concentrations of Inventory Suppliers | Vendor and Foreign Concentrations of Inventory Suppliers
During the three months ended March 31, 2026 and 2025, approximately 70% and 71%, respectively, of inventory purchases were made from foreign suppliers in Asia. Any adverse change in macroeconomic or geopolitical conditions could negatively impact the Company’s supply chain. The inability to obtain product to meet sales demand could adversely affect the Company’s results of operations. However, the Company has secured a secondary source for lithium iron phosphate cells used in its batteries from a supplier in Europe, enabling the Company to source materials outside of Asia in the event it becomes necessary to do so.
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| Cash and Cash Equivalents | Cash and Cash Equivalents
The Company considers all cash amounts which are not subject to withdrawal restrictions or penalties, and all highly liquid investments purchased with an original maturity of three months or less from the date of purchase to be cash equivalents. The Company maintains its cash and cash equivalents balances with high-quality financial institutions located in the United States. Cash accounts are secured by the Federal Deposit Insurance Corporation (“FDIC”) up to $250,000 per institution. At times, the Company’s cash and cash equivalents balances may exceed federally insured limits. The Company has not experienced any losses in such accounts and management believes that the Company is not exposed to any significant credit risk with respect to these balances. As of March 31, 2026, the Company had investment accounts with a balance of $1,530,462 that was invested in U.S. treasury securities.
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| Revenue Recognition | Revenue Recognition
The Company’s revenue is generated from the sale of products consisting primarily of batteries and accessories. The Company recognizes revenue when control of goods is transferred to its customers in an amount that reflects the consideration it is expected to be entitled to in exchange for those goods or services. To determine revenue recognition, the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligation(s) in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligation(s) in the contract; and (v) recognize revenue when (or as) the performance obligation(s) are satisfied. Revenue is recognized upon shipment or delivery to the customer, as that is when the customer obtains control of the promised goods and the Company’s performance obligation is considered satisfied. As such, accounts receivable is recorded at the time of shipment or will call, when the Company’s right to the consideration becomes unconditional and the Company determines there are no uncertainties regarding payment terms or transfer of control.
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| Accounts Receivable | Accounts Receivable
Accounts receivable are recorded at the invoiced amount, are due within a year or less, and generally do not bear any interest. The Company performs ongoing credit evaluations of its customers and generally requires no collateral. An allowance for uncollectible accounts may be recorded to reduce accounts receivable to the estimated amount management expects will be collected. The allowance is based upon management’s review of the accounts receivable aging, specific identification of potentially uncollectible balances, historical collection experience, and other factors deemed relevant. Recoveries of accounts previously written off and adjustments to the allowance for uncollectible accounts are recorded as adjustments to bad debt expense. For the three months ended March 31, 2026 and 2025, the Company wrote off $7,626 and $0, respectively, to bad debt expense. The allowance for doubtful accounts had a balance of $7,626 and $0 at March 31, 2026 and December 31, 2025, respectively.
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| Concentration of Major Customers | Concentration of Major Customers
A customer is considered a major customer when net revenue attributable to the customer exceeds 10% of total revenue for the period, or the accounts receivable balance attributable to the customer exceeds 10% of total accounts receivable.
During the three months ended March 31, 2026, sales to two customers totaled $726,173, comprising approximately 47% of total sales. These customers represented approximately 61% of total accounts receivable as of March 31, 2026.
During the three months ended March 31, 2025, sales to three customers totaled $1,010,058, comprising approximately 50% of total sales. These customers represented approximately 53% of total accounts receivable as of March 31, 2025. Accounts receivable from one additional customer totaled $91,001, representing approximately 17% of total accounts receivable as of March 31, 2025.
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| Leases | Leases
The Company determines if an arrangement is a lease at inception. Leases may be categorized as operating leases or finance leases The Company does not have any finance leases.
Operating lease right-of-use (“ROU”) assets represent the Company’s right to use an underlying asset during the lease term, and operating lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Operating leases are included in ROU assets, current operating lease liabilities, and long-term operating lease liabilities on the balance sheets.
Lease ROU assets and lease liabilities are initially recognized based on the present value of the future minimum lease payments over the lease term at commencement date calculated using the Company’s incremental borrowing rate (“IBR”) applicable to the lease asset, unless the implicit rate is readily determinable. The Company’s IBR represents the interest rate that the Company would expect to incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis with similar terms and payments, in an economic environment where the leased asset is located. ROU assets include any lease payments made at or before lease commencement and exclude any lease incentives received. The Company’s lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Leases with a term of 12 months or less are not recognized on the balance sheets. The Company’s leases do not contain any residual value guarantees. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term.
The Company accounts for lease and non-lease components as a single lease component for all its leases.
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| Property and Equipment | Property and Equipment
Property and equipment are stated at cost less depreciation calculated on the straight-line basis over the estimated useful lives of the related assets as follows:
Leasehold improvements are amortized over the shorter of the lease term or their estimated useful lives.
Betterments, renewals, and extraordinary repairs that extend the lives of the assets are capitalized; other repairs and maintenance charges are expensed as incurred. The cost and related accumulated depreciation and amortization applicable to assets retired are removed from the accounts, and the gain or loss on disposition is recognized on the statements of operations.
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| Impairment of Long-Lived Assets | Impairment of Long-Lived Assets
Long-lived assets consist primarily of property and equipment. When events or circumstances indicate the carrying value of a long-lived asset may be impaired, the Company estimates the future undiscounted cash flows to be derived from the use and eventual disposition of the asset to assess whether or not a potential impairment exists. If the carrying value exceeds the estimate of future undiscounted cash flows, the impairment is calculated as the excess of the carrying value of the asset over the estimate of its fair value. Fair value is determined primarily using the estimated cash flows discounted at a rate commensurate with the risk involved. No long-lived asset impairment was recognized during the three months ended March 31, 2026 or 2025.
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| Product Warranties | Product Warranties
The Company sells the majority of its products to customers along with conditional repair or replacement warranties. The Company’s branded products carry warranties ranging from one year to up to 12 years from date of sale, depending on the specific product. The Company determines its estimated liability for warranty claims based on the Company’s historical experience with the amount of claims actually made. The Company has not accrued any liability for product warranties as of March 31, 2026 and December 31, 2025 because, historically, there have been very few warranty claims, and any costs for repairs or replacement parts have been nominal.
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| Liability for Refunds or Rebates | Liability for Refunds or Rebates
The Company does not have a formal product return policy but does accept returns under its warranty policies. Returns have historically been minimal. Product that is returned is tested and evaluated. Items that are in saleable condition are either returned to the customer or placed back into inventory to be resold. Items that do not pass our testing are expensed in the period the testing is completed. Failed product returns have historically been immaterial and therefore the Company does not accrue a liability for refunds, and did not accrue such liability as of March 31, 2026 or December 31, 2025.
The Company accrues a rebate liability when a customer’s purchase agreement with us includes a rebate, which is typically reflected as a percentage of sales. The Company recognized a rebate liability of $56 and $0 as of March 31, 2026 and December 31, 2025, respectively.
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| Shipping and Handling Fees and Costs | Shipping and Handling Fees and Costs
Shipping and handling fees billed to customers totaled $10,514 and $14,918 during the three months ended March 31, 2026 and 2025, respectively, and are classified as net sales on the statements of operations. Shipping and handling costs for shipping product to customers totaled $71,249 and $83,177 during the three months ended March 31, 2026 and 2025, respectively, and are classified as selling, general, and administrative expense on the statements of operations.
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| Advertising and Marketing Costs | Advertising and Marketing Costs
The Company expenses advertising and marketing costs as incurred. Advertising and marketing expenses totaled $249,772 and $246,643 for the three months ended March 31, 2026 and 2025, respectively, and are included in selling, general and administrative expense on the statements of operations.
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| Research and Development | Research and Development
The Company expenses research and development costs as incurred. Research and development expenses totaled $142,960 and $113,740 for the three months ended March 31, 2026 and 2025, and are included in selling, general and administrative expense on the statements of operations.
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| Income Taxes | Income Taxes
The Company uses the asset and liability method of accounting for income taxes. The Company’s deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of exiting assets and liabilities and their respective tax basis. Deferred tax assets, including tax loss and credit carryforwards, and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that included the enactment date. Deferred income tax expense represents the change during the period in the deferred tax assets and deferred tax liabilities. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion or all of the deferred tax assets will not be realized.
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| Fair Value of Financial Instruments | Fair Value of Financial Instruments
The Company accounts for its financial assets and liabilities in accordance with ASC Topic 820, Fair Value Measurement. ASC Topic 820 establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value, as follows:
Level 1: Quoted prices (unadjusted) in active markets for identical assets or liabilities that are accessible at the measurement date. The fair value hierarchy gives the highest priority to Level 1 inputs.
Level 2: Observable prices that are based on inputs not quoted on active markets but corroborated by market data. These inputs include quoted prices for similar assets or liabilities; quoted market prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
Level 3: Unobservable inputs are used when little or no market data is available. In determining fair value, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible, as well as consider counterparty credit risk in the assessment of fair value. The fair value hierarchy gives the lowest priority to Level 3 inputs.
The Company’s financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, and long-term debt. The fair value of cash and cash equivalents, accounts receivable, and accounts payable approximates their respective carrying values because of the short-term nature of those instruments. The fair value of the long-term debt approximates their respective carrying values because the interest rates applicable to these instruments approximate market rates available to the Company for similar obligations with the same maturities.
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| Schedule of net loss per share |
The basic net earnings or loss per share is calculated by dividing the net earnings or loss by the weighted average number of shares outstanding during the period. Diluted earnings or loss per share adjusts the basic earnings or loss per share for the potentially dilutive impact of securities (e.g., options and warrants).
We calculate basic and diluted net earnings or loss per share using the weighted average number of common shares outstanding during the periods presented. For the diluted earnings per share calculation, we adjust the weighted average number of common shares outstanding to include stock options, warrants, unvested restricted stock units (“RSUs”), and shares associated with the conversion of any convertible notes or convertible preferred stock, in each case as applicable. We use the if-converted method for calculating any potential dilutive effect of convertible notes and convertible preferred stock on diluted net earnings or loss per share. For periods in which we have a net loss position, we exclude these potentially dilutive securities from the weighted average number shares because their inclusion would be anti-dilutive. Accordingly, for periods in which we have a net loss position, basic and diluted net loss per share are the same.
The following shows the amounts used in computing net loss per share:
As of March 31, 2026 and December 31, 2025, the Company had outstanding warrants and options exercisable into, and RSUs that may be settled for, an aggregate of shares of common stock.
The following table sets forth the number of shares excluded from the computation of diluted loss per share since their inclusion would have been anti-dilutive:
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| Stock-Based Compensation | Stock-Based Compensation
The Company accounts for stock-based compensation in accordance with ASC 718 “Compensation—Stock Compensation,” which requires compensation costs to be recognized at grant date fair value over the requisite service period of each of the awards. The Company recognizes forfeitures of awards as they occur.
The fair value of options is determined using the Black-Scholes option-pricing model. In order to calculate the fair value of options, certain assumptions and estimates are made with respect to variables such as the expected life of options, volatility of the stock price, risk-free interest rates, future dividend yields, and estimated forfeitures at the initial grant date. Changes to these assumptions or estimates could cause result in significant changes to the valuations.
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| New Accounting Pronouncements | New Accounting Pronouncements
In December 2025, the FASB issued ASU 2025-11, “Interim Reporting (Topic 270): Narrow-Scope Improvements.” This ASU was issued to update guidance on disclosures that should be provided in interim reporting periods. The Company already complies with the guidance in this ASU, so there will be no impact on its financial statements or disclosures.
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| Accounting Guidance Issued but Not Yet Adopted | Accounting Guidance Issued but Not Yet Adopted
In November 2024, the FASB issued ASU 2024-03, “Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40).” This ASU was issued to improve the disclosures about an entity’s expenses, and require certain types of expenses to be disclosed individually, and is effective for annual reporting periods beginning after December 15, 2027. The Company is currently evaluating the impact of this standard on its financial statements or disclosures. |
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