武汉蔚能电池资产有限公司

Wuhan, Hubei, China Energy & Climate Private

Wuhan Weineng Battery Asset Co., Ltd. (internationally branded Mirattery) is a Chinese battery asset management company established in August 2020 as a joint venture by NIO, CATL, Guotai Junan, and Hubei Science and Technology Investment Group, each holding 25% at founding. Headquartered in the Wuhan East Lake High-Tech Development Zone, Weineng operates the world's first battery asset management business built around a vehicle-battery separation model, serving as the strategic backbone of NIO's Battery-as-a-Service (BaaS) subscription program. Customers can purchase a NIO vehicle without the battery pack and lease it monthly from Weineng, with rights to charging, swapping, and battery upgrades. As of early 2026, Mirattery managed more than 42 GWh of battery assets serving over 550,000 users across China, and has signed a 9.8 billion yuan ($1.4 billion) battery infrastructure expansion in Wuhan. The company has progressed through six equity funding rounds, with founding shareholders NIO and CATL repeatedly increasing their stakes alongside new state-owned investors from Hefei, Haining, Hainan, and Meishan.

Overview

Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Founded

2020

Employees

51–200

Total Funding

$400M

4 rounds

Funding

Total raised $400M across 4 rounds

Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Last updated 06-25-2026

Latest Round

Type

Series C (expanded)

Date

December 26, 2025

Amount

$45.8M

Valuation

Lead Investors

Not disclosed
DateRoundAmount RaisedValuationLead Investors
December 26, 2025 Series C (expanded) $45.8M Not disclosed
November 3, 2025 Series C (initial close) $94.2M Not disclosed
August 2021 Series B Not disclosed NIO

Leadership

  • Shen Fei

    Legal Representative (Founding); Senior Vice President, Power Management, NIO

Competitors

Competitor list is illustrative and may be incomplete, stale, or erroneous.

  • Aulton New Energy

    Chinese battery-swap network operator serving commercial EV fleets and ride-hail vehicles.

  • Geely Yiyi Energy

    Geely's battery-swap subsidiary providing standardized swap stations for Geely brands and third parties.

  • CATL Choco-Swap (Evogo)

    CATL's own modular battery-swap brand competing with and partnering with Weineng on shared standards.

  • Sinopec swap stations

    State-owned energy operator deploying EV battery-swap stations as part of fuel-retail conversion.

  • BAIC BJEV / Blue Park Smart Energy

    BAIC's battery-swap and battery-leasing platform serving Beijing taxi and ride-hail EV fleets.

武汉蔚能电池资产有限公司 Investment FAQ

Public status and buying access

No. 武汉蔚能电池资产有限公司 is a private company and does not have a public stock ticker or trade on a public stock exchange. Its shares are generally held by founders, employees, investors, and other private shareholders. Buyers and sellers may be able to transact in 武汉蔚能电池资产有限公司 shares through private secondary transactions, but any transaction depends on share availability, buyer and seller agreement, transfer restrictions, company approval rights, and any applicable right of first refusal. There is no guarantee that 武汉蔚能电池资产有限公司 will complete an IPO or other liquidity event.

Yes, it is sometimes possible to buy 武汉蔚能电池资产有限公司 shares pre-IPO through private secondary transactions. This depends on finding a willing seller, company approval, and satisfying any transfer restrictions or rights of first refusal.

Buyers interested in buying 武汉蔚能电池资产有限公司 shares on the secondary market typically do so through SetterVC and other secondary-market platforms, subject to eligibility requirements, share availability, transfer restrictions, and issuer approval. Buyers may need to satisfy sophistication, accreditation, institutional, platform, regulatory, or other eligibility requirements before participating. Once eligible, buyers may be able to view listings, make bids, and work with a licensed broker through the transaction process. Buyers should ensure they have appropriate legal and financial advisors guiding them before completing any transaction.

Valuation and funding

武汉蔚能电池资产有限公司's latest disclosed funding round was a Series C (expanded) round in December 26, 2025. The round raised approximately $45.8M. Primary funding rounds are different from secondary transactions: in a primary round, capital goes to the company, while in a secondary transaction, investors buy existing shares from current shareholders. Funding-round data reflects publicly reported or collected information and may be incomplete.

武汉蔚能电池资产有限公司 has raised approximately $400M in disclosed funding across 4 rounds. These figures reflect primary capital raised by the company and do not include every possible secondary transaction, undisclosed round, debt facility, or private transfer. Reported funding totals can change as new rounds are announced or older round details are corrected. Eligible users can use SetterVC to track 武汉蔚能电池资产有限公司's funding history alongside private-market activity where available.

武汉蔚能电池资产有限公司's disclosed investors include NIO, CATL, Guotai Junan and Hubei Science Technology Investment. Investor lists are based on public reporting, company announcements, and collected funding-round data, and may be incomplete. Participation in a prior funding round does not mean those investors are currently buying or selling shares. On SetterVC, eligible users can review 武汉蔚能电池资产有限公司's funding history, valuation history, and private-market activity alongside other venture-backed companies.

Market context

武汉蔚能电池资产有限公司's most-cited competitors include Aulton New Energy, Geely Yiyi Energy, CATL Choco-Swap (Evogo), Sinopec swap stations and BAIC BJEV / Blue Park Smart Energy. Investors often compare these companies by sector, product focus, valuation, funding raised, growth signals, investor base, and private-market activity.

Secondary-market demand for 武汉蔚能电池资产有限公司 shares can be affected by company performance, revenue growth, profitability, funding history, valuation, investor interest, sector momentum, public-market conditions, expected timing of a liquidity event, and the availability of shares for sale. Demand can also be affected by transfer restrictions, company approval rights, right of first refusal processes, limited information, and the price expectations of buyers and sellers. Strong demand does not guarantee strong pricing, liquidity, or investment returns. Weak demand does not necessarily reflect the company's long-term prospects. Demand signals should not be treated as a recommendation or prediction of investment performance. Buyers and sellers should treat demand signals as informational and conduct their own diligence before transacting.

Selling and transaction mechanics

Sellers often rely on intermediaries and platforms, such as SetterVC and other secondary-market platforms, to identify potential buyers. The exact process varies by company and transaction, but sellers often begin by confirming their ownership, desired price, transferability, and any company approval or notice requirements. If the seller agrees with a buyer on acceptable price and terms, the company may need to be notified through a share transfer notice or similar process. If a right of first refusal, company approval right, or other transfer restriction applies, the seller may need to wait until that process is completed. The parties may then execute a purchase and sale agreement, complete required transfer documentation, and close if all required conditions are satisfied. Sellers should always seek proper legal and financial advice before completing the transaction.

Yes, current and former 武汉蔚能电池资产有限公司 employees, early investors, and other existing shareholders may be able to sell vested shares before an IPO through a private secondary sale. This is not automatic; it depends on whether the shareholder has transferable shares, whether there is buyer demand, and whether the company's governing documents permit the transfer. Many companies require prior notice, company approval, or a right of first refusal before shares can be sold. Sellers should also seek proper legal and financial advice before proceeding.

A 武汉蔚能电池资产有限公司 secondary transaction usually involves an existing shareholder selling shares to a buyer before a public listing. The buyer and seller typically agree on price, number of shares, share class, and closing conditions. The seller may then need to notify 武汉蔚能电池资产有限公司 through a share transfer notice or similar process. If 武汉蔚能电池资产有限公司 or existing investors have approval rights, transfer restrictions, or a right of first refusal, those steps may need to be completed before the transfer can close. The parties typically enter into a purchase and sale agreement, complete any required transfer documentation, and close only if the necessary conditions are satisfied. Timing and certainty can vary by company and transaction.

In most private secondary transactions, parties commonly use a purchase and sale agreement that outlines price, terms, and conditions. They may also use share transfer documentation, often a stock transfer notice, share transfer notice, transfer instruction, or similar document, along with any required company approval or right of first refusal materials. Proof of ownership, such as a cap table entry, share certificate, brokerage statement, issuer confirmation, or administrator confirmation, may also be important. Buyers often request recent company financials, but private companies may limit disclosure. Since every deal varies, buyers and sellers should consult legal and financial advisors to understand which documents are needed.

Risk, diligence, and investor caution

Buying 武汉蔚能电池资产有限公司 shares pre-IPO is risky. Shares are illiquid, no IPO or liquidity event is guaranteed, valuations can change, transfers may require company approval, and private companies may provide limited financial disclosure. Be prepared for total loss. SetterVC and Setter Capital do not provide due diligence, legal, tax, accounting, valuation, or investment advice. Buyers must conduct their own due diligence, verify information, and seek independent legal and investment advice before proceeding.

Private secondary shares are typically illiquid. Unlike public stocks, there is no active public market, so selling them can be difficult and time-consuming. Sales depend on finding a willing buyer and often require company approval. Investors should be prepared to hold the shares for an extended period, with no guarantee of a future sale. Always assess your need for liquidity before investing.

SetterVC and Setter Capital do not provide due diligence, legal, tax, accounting, valuation, or investment advice. Buyers must conduct their own due diligence, including verifying ownership, transferability, legal structure, company approval, and assessing the company's prospects. SetterVC and Setter Capital do not provide advice on whether an investment is good, what price to pay, or what the best bid or ask is. SetterVC and Setter Capital may share documents in some circumstances, but it does not guarantee their accuracy or completeness. Due diligence is essential. Seek legal and investment advice as needed.

Before buying 武汉蔚能电池资产有限公司 shares, a buyer should try to review the share class, price per share, implied valuation, transfer restrictions, ROFR process, company approval rights, seller ownership evidence, recent financing or tender-offer information, available financial information, information rights, resale restrictions, tax considerations, and expected liquidity paths. Not all information may be available for a private company. Buyers should confirm available diligence, process details, and information needs with their own legal, tax, and investment advisers.

SPVs carry risks. Examples include the need to confirm the company allows SPV-based transfers, verify that the SPV truly owns the shares or interests it claims to own, and ensure it has not sold more interests than it holds. Due diligence is essential. Seek legal and investment advice as needed.

Forward contracts carry risks. Examples include the seller refusing to transfer the shares at the future date, even if the seller owns them, the seller going bankrupt with creditors claiming the shares, or the seller committing the same shares to multiple parties. Due diligence is essential. Seek legal and investment advice as needed.

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