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REPT BATTERO Energy Co (0666) Fair Value & Analysis

Consumer Cyclical · HK · Market cap HK$31.5B

RB REPT BATTERO Energy Co 0666 · HK
PriceHK$10.99
Fair ValueHK$5.27
Upside-52.1%
Quality45/100
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Mixed Growth
Thin margins · 2.6% net margin
Moderate debt · generates free cash flow
Trails peers (1/14)
Narrow moat 26/100
Evidence: High Range HK$3.95 – HK$6.59 Share as image

Fair value as of: Aug 13, 2026

From 24 valuation models · updated 2 days ago

Share price +2.0% over the past month.

Below-average quality, and screening another 52% overvalued on our models.

What matters now

  • The price sits above even our optimistic bull case (HK$6.59). The favourable scenario is already priced in.
  • Solid but not exceptional quality (45/100) and above fair value, neither a clear bargain nor a standout compounder.
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Price vs Fair Value (3 years)

HK$21.80 HK$9.09 Fair Value HK$5.27 Dec 2023 Aug 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Aug 13, 2026.

How to read this chart

32‑month range HK$9.09 – HK$21.80 · fair‑value band HK$3.95 – HK$6.59 · the HK$10.99 price screens above the HK$5.27 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Aug 13, 2026.

Full chart & analysis →

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Analysis

REPT BATTERO Energy Co (0666) currently trades at HK$10.99, while our model-based Fair Value estimate is HK$5.27, implying the stock looks roughly 52.1% overvalued today. The Quality Score stands at 45/100 (below-average quality), in the Consumer Cyclical sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium, the entry price still matters most (evidence: high).

Over the trailing twelve months, REPT BATTERO Energy Co generated revenue of HK$24.3B at a net margin of 2.6%. Revenue grew 45.5% year over year. It earns a return on equity of 6.1%. Net debt stands at HK$4.9B. Fundamentals as of Aug 13, 2026

Our scenario range runs from HK$3.95 (bear case) to HK$6.59 (bull case); at HK$10.99, the current price sits above that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. The share trades about 42% below its 52-week high, currently below its 200-day average. For context, the median of 10 Consumer Cyclical peers we cover trades at -52% fair-value upside, at -52%, 0666 screens cheaper than that median.

Fair Value models

Each model estimates fair value its own way; the Fair Value above is the evidence-weighted blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small.

Model Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. Evidence
Highest evidence
Growth DCF — HK$0.4700 HK$1.37 80
Residual Income HK$3.89 HK$3.96 HK$3.86 76
ROIC Compounder HK$2.15 HK$2.61 HK$3.01 72
All 24 models by family
DCF Models
FCF DCF — HK$0.3000 HK$1.38 38
5Y Revenue Exit HK$1.92 HK$4.38 HK$9.59 39
5Y EBITDA Exit HK$6.29 HK$13.22 HK$26.87 41
5Y P/E Exit HK$2.86 HK$8.13 HK$15.49 38
10Y Revenue Exit HK$1.27 HK$4.93 HK$7.70 36
10Y EBITDA Exit HK$4.59 HK$14.34 HK$32.42 37
10Y P/E Exit HK$2.09 HK$6.95 HK$15.34 35
Earnings-Based
Graham-Dodd HK$1.81 HK$12.64 HK$17.74 54
Lynch FV HK$6.53 HK$9.33 HK$12.13 50
PEG = 1.0 HK$6.53 HK$9.33 HK$12.13 46
EPV HK$2.15 HK$2.61 HK$3.01 59
Dividend Discount
Gordon GGM HK$0.8100 HK$1.68 HK$2.66 70
DDM Multi-Stage HK$0.8100 HK$1.42 HK$1.76 61
Multiples
P/E Multiple HK$4.40 HK$5.87 HK$7.33 63
P/S Multiple HK$3.40 HK$4.53 HK$5.67 58
P/B Multiple HK$3.40 HK$4.53 HK$5.67 55
EV/EBIT HK$3.74 HK$5.20 HK$6.65 53
EV/EBITDA HK$8.32 HK$11.30 HK$14.28 54
EV/Revenue HK$2.32 HK$3.58 HK$4.84 43
Asset-Based
NCAV (Graham) HK$2.51 HK$3.37 HK$5.03 50
Growth DCF
Growth DCF — HK$0.4700 HK$1.37 80
Economic Profit
Residual Income HK$3.89 HK$3.96 HK$3.86 76
ROIC Compounder HK$2.15 HK$2.61 HK$3.01 72
Growth Earnings
Growth-Adj P/E HK$8.67 HK$12.39 HK$16.10 68

Widest divergence: Growth Earnings (HK$12.39) versus Growth DCF (HK$0.4700). Highest evidence: Growth DCF (80).

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Key figures & financial health

Revenue (TTM) HK$24.3B
Revenue growth (YoY) +45.5%
Net margin 2.6%
Return on equity 6.1%
Free cash flow HK$81.9M FY2026
P/E ratio 43.5 as of Jul 2, 2026
More key figures
Operating margin 5.2%
EPS (TTM) HK$-0.0300
Net debt HK$4.9B FY2026

Figures from reported company fundamentals · as of Aug 13, 2026. TTM = trailing twelve months.

Quality Score breakdown

Overall quality 45/100

Of which business quality 45 · Market factors (momentum, volatility) 29

Profitability 24
Margins and returns on capital today
Quality Growth 97
Are margins and returns improving?
Cashflow 42
Earnings quality: real cash, not paper profit
Fin. Strength 28
Balance sheet, leverage, solvency risk
Investment 35
Disciplined investing over empire-building
Low Volatility 57
Calm price path (market factor)
Momentum 19
Price trend over the last 3–12 months (market factor)
52W Momentum 15
Distance to the 52-week high (market factor)
Net Issuance 64
Buybacks instead of dilution

Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.

About the company

REPT BATTERO Energy Co., Ltd. engages in the design, research and development, production, and sale of electric vehicle and energy storage system lithium-ion batteries in China and internationally.

Full company description

REPT BATTERO Energy Co., Ltd. engages in the design, research and development, production, and sale of electric vehicle and energy storage system lithium-ion batteries in China and internationally. The company offers battery cell products, such as utility and C&I ESS series, residential ESS series, BEV series, PHEV and REEV series, and commercial vehicle series, as well as LFP battery cells, ternary battery cells, and EV battery modules; and battery pack products, including energy storage battery packs, passenger vehicle battery packs, and commercial vehicle battery pack and rack. It also provides ESS battery cells, modules, standardized battery boxes, battery racks, lithium-ion battery tanks for electrical energy storage, and lithium-ion battery outdoor cabinets for industrial and commercial energy storage; battery storage systems; Ultra Brain BMS, a self-developed and all-scenario battery management system; and battery recycling solutions. The company was formerly known as REPT Energy Co., Ltd. and changed its name to REPT BATTERO Energy Co., Ltd. in April 2022. REPT BATTERO Energy Co., Ltd. was incorporated in 2017 and is headquartered in Wenzhou, China.

Company description, as reported by the company or data provider.

Revenue & earnings trend

FY2022 – FY2026 · reported fiscal years

REPT BATTERO Energy Co reported revenue of HK$24.3B in FY2026 versus HK$2.1B in FY2022, a compound +85.1%/yr. Reported net income was HK$623M in FY2026.

Growth Quality 60/100
Revenue is growing, but margins or cash flow do not fully confirm the trend.
Latest Revenue (FY 2026)
HK$24.3B
Latest YoY
+45.6%
Avg. growth/yr (3Y) ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump.
+17.6%
Avg. growth/yr (5Y) ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump.
+95.3%
Avg. growth/yr (21Y) ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump.
+37.7%
Revenue +85.1%/yr
FY22 HK$2.1B
FY23 HK$15.0B
FY24 HK$12.5B
FY25 HK$16.7B
FY26 HK$24.3B
Net income
FY22 −HK$705M
FY23 −HK$354M
FY24 −HK$1.3B
FY25 −HK$1.1B
FY26 HK$623M

0666 screens 52% overvalued. Compare with Hyundai Mobis Co →

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Cite: Fair Value Calculator (2026). "REPT BATTERO Energy Co Fair Value". https://www.fairvalue-calculator.com/stock/0666

Peer Group

Auto Parts · 642 stocks

How this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.

Quality Score 45 · Below median
Fair Value upside −52% · Bottom 25%
Return on equity (TTM) 6% · Below median
Return on assets 1% · Bottom 25%
Net margin (TTM) 3% · Below median
Operating margin (TTM) 5% · Below median
Revenue growth 46% · Top 25%
Dividend yield (TTM) 0.7% · Bottom 25%
Debt / equity 0.53× · Higher than 75% of peers

Valuation Multiples vs Auto Parts median · lower = cheaper

P/E (TTM) 43.5× · Pricier than 75% of peers
P/B 2.69× · Pricier than median
P/S (TTM) 1.30× · Pricier than median
P/FCF 49.1× · Pricier than 75% of peers
EV/EBITDA 15.0× · Pricier than median

Snowflake

Five quick dimensions, each 0 to 100: VALUE (fair-value potential), FUTURE (revenue growth), PAST (return on equity), HEALTH (low debt), DIVIDEND (yield). Green = this stock, grey = typical sector peer.

VALUE 0 · sector 16
FUTURE 100 · sector 23
PAST 25 · sector 26
HEALTH 73 · sector 95
DIVIDEND 13 · sector 34

VALUE 0: the price sits above our fair-value range.

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

ESG scores are not available for this stock yet. Values and ESG data are contextual and can differ between providers.

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Frequently asked questions

Is REPT BATTERO Energy Co (0666) overvalued or undervalued?
As of Aug 13, 2026, our model estimates a fair value of HK$5.27 versus a price of HK$10.99, about −52% (overvalued).
What is the fair value of 0666?
Our model-based fair value for REPT BATTERO Energy Co is HK$5.27 (as of Aug 13, 2026), built from audited fundamentals. The current price is HK$10.99.
What is the quality score of 0666?
REPT BATTERO Energy Co has a Quality Score of 45/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the revenue of REPT BATTERO Energy Co (0666)?
REPT BATTERO Energy Co reported trailing-twelve-month revenue of about HK$24.3B (latest available figure, as of Aug 13, 2026).
What is the net profit margin of 0666?
The net profit margin of REPT BATTERO Energy Co is about 2.6%, meaning it keeps roughly 2.6% of revenue as net income. Based on the latest reported figures.

How we calculate Fair Value

Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data, nothing guessed.

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