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REPT BATTERO Energy Co Ltd (0666) Fair Value & Analysis

Consumer Cyclical · HK · Market cap HK$31.5B (≈ $4.0B)

What is REPT BATTERO Energy Co Ltd really worth?

RB REPT BATTERO Energy Co Ltd 0666 · HK
PriceHK$10.00
Fair ValueHK$4.07
Upside−59.3%
Quality45/100

Below-average quality, and trading another 146% above our fair value of HK$4.07.

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Strengths

✓Moderate debt · generates free cash flow

Risks

!Mixed Growth (revenue 5y +95.3 %/yr)
!Thin margins · 2.6% net margin
!Trails peers (1/14)
!Narrow moat 26/100
!Weak on past: 25 out of 100
!Weak on dividend: 13 out of 100
Evidence: High Range HK$3.06 – HK$5.09

Fair value as of: Aug 27, 2026

From 24 valuation models · updated 9 days ago

Fair value updated Aug 27, 2026, revised from HK$5.27 to HK$4.07 (−22.8%) since Aug 13, 2026. Share price −11.5% over the past month.

What runs behind every stock

26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

69 individual criteria per stock, every one traceable See the method →

What matters now

  • The price sits above even our optimistic bull case (HK$5.09). 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.

Price vs Fair Value (3 years)

HK$21.80 HK$9.09 Fair Value HK$4.07 Dec 2023 Sep 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Aug 27, 2026.

How to read this chart

33‑month range HK$9.09 – HK$21.80 · fair‑value band HK$3.06 – HK$5.09 · the HK$10.00 price screens above the HK$4.07 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 1 fiscal year is left out: there the valuation rested on only a fraction of the usual models. Dashed = 300-day average. As of Aug 27, 2026.

Full chart & analysis →

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Analysis

REPT BATTERO Energy Co Ltd (0666) currently trades at HK$10.00, while our model-based Fair Value estimate is HK$4.07, implying the stock looks roughly 145.6% overvalued today. The Quality Score stands at 45/100 (below-average quality), in the Consumer Cyclical sector. Bull case: the Growth Earnings group reads highest at a median of HK$9.00 per share, and 2 of the 24 models we run sit above the HK$10.00 price. Bear case: the Dividend Discount group reads lowest at HK$1.04, and 22 of the 24 models stay below the price. Evidence for this calculation is high.

Over the trailing twelve months, REPT BATTERO Energy Co Ltd 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 27, 2026

Our scenario range runs from HK$3.06 (bear case) to HK$5.09 (bull case); at HK$10.00, 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 47% below its 52-week high, currently below its 200-day average. For context, the median of 10 Consumer Cyclical peers we cover trades at −38% fair-value upside, at −59%, 0666 screens richer than that median.

Fair Value models

Each model estimates fair value its own way; the Fair Value above is the evidence-weighted, family-balanced 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. Every input is real reported data, nothing guessed.

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
FCF DCF — HK$0.2200 HK$1.02 74
EPV HK$1.58 HK$1.92 HK$2.22 74
Residual Income HK$2.87 HK$2.92 HK$2.85 74
All 24 models by family
DCF Models
FCF DCF — HK$0.2200 HK$1.02 74
5Y Revenue Exit HK$1.41 HK$3.23 HK$7.07 64
5Y EBITDA Exit HK$5.05 HK$10.59 HK$21.49 68
5Y P/E Exit HK$1.99 HK$5.71 HK$10.89 64
10Y Revenue Exit HK$0.9300 HK$3.63 HK$5.68 61
10Y EBITDA Exit HK$3.69 HK$11.47 HK$25.90 59
10Y P/E Exit HK$1.46 HK$4.89 HK$10.80 56
Earnings-Based
Graham-Dodd HK$1.34 HK$9.32 HK$13.08 61
Lynch FV HK$4.82 HK$6.88 HK$8.94 59
PEG = 1.0 HK$4.82 HK$6.88 HK$8.94 55
EPV HK$1.58 HK$1.92 HK$2.22 74
Dividend Discount
Gordon GGM HK$0.6000 HK$1.24 HK$1.96 64
DDM Multi-Stage HK$0.6000 HK$1.04 HK$1.30 64
Multiples
P/E Multiple HK$3.10 HK$4.13 HK$5.16 63
P/S Multiple HK$2.51 HK$3.34 HK$4.18 58
P/B Multiple HK$2.51 HK$3.34 HK$4.18 55
EV/EBIT HK$2.58 HK$3.59 HK$4.61 66
EV/EBITDA HK$6.68 HK$9.06 HK$11.44 67
EV/Revenue HK$1.71 HK$2.64 HK$3.57 53
Asset-Based
NCAV (Graham) HK$1.85 HK$2.48 HK$3.71 54
Growth DCF
Growth DCF — HK$0.3500 HK$1.01 73
Economic Profit
Residual Income HK$2.87 HK$2.92 HK$2.85 74
ROIC Compounder HK$1.58 HK$1.92 HK$2.22 70
Growth Earnings
Growth-Adj P/E HK$6.30 HK$9.00 HK$11.70 65

Widest divergence: Growth Earnings (HK$9.00) versus Growth DCF (HK$0.3500). Highest evidence: FCF DCF (74).

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Key figures & financial health

P/E ratio 43.5 as of Jul 2, 2026
P/S ratio 1.11 P/E × margin
EPS (TTM) HK$−0.0300 price ÷ EPS = P/E 43.5
Dividend yield 0.7%
Net margin 2.6% FY2026
Return on equity 6.1% TTM
More key figures
Profitability
Return on assets (EBIT) −3.6% avg 5y
Operating margin 5.2% TTM
Growth
Revenue (TTM) HK$24.3B TTM
Revenue growth (YoY) +45.5% 3y avg +17.6%
Balance sheet & cash flow
Free cash flow HK$81.9M FY2026
Net debt HK$4.9B FY2026 · ≈ 59.9 yrs of FCF

Figures from reported company fundamentals · as of Aug 27, 2026. TTM = trailing twelve months.

Quality Score breakdown

Overall quality 45/100

Of which business quality 45 · Market factors (momentum, volatility) 26

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 58
Calm price path (market factor)
Momentum 14
Price trend over the last 3–12 months (market factor)
52W Momentum 9
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.

All values are scores from 0 to 100 (100 = best against fixed, research-based bands), not percentages. The three market factors (momentum, 52-week proximity, low volatility) are displayed but carry zero weight in the headline number: market sentiment is not a business property.

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 Ltd reported revenue of 24.3B CNY in FY2026 versus 2.1B CNY in FY2022, a compound +85.1%/yr. Reported net income was 623M CNY 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. revenue 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. revenue 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. revenue 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 2.1B CNY
FY23 15.0B CNY
FY24 12.5B CNY
FY25 16.7B CNY
FY26 24.3B CNY
Net income
FY22 −705M CNY
FY23 −354M CNY
FY24 −1.3B CNY
FY25 −1.1B CNY
FY26 623M CNY

0666 screens 146% overvalued. Compare with O'Reilly Automotive, Inc →

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

Peer Group

Auto Parts · 640 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 −59% · 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% · Below median
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

Strength profile in five axes (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.

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE0 · sector 14
FUTURE100 · sector 21
PAST25 · sector 28
HEALTH73 · sector 95
DIVIDEND13 · sector 32

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

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Frequently asked questions

Is REPT BATTERO Energy Co Ltd (0666) overvalued or undervalued?
As of Aug 27, 2026, our model estimates a fair value of HK$4.07 versus a price of HK$10.00, about −59% upside (overvalued).
What is the fair value of 0666?
Our model-based fair value for REPT BATTERO Energy Co Ltd is HK$4.07 (as of Aug 27, 2026), built from audited fundamentals. The current price: HK$10.00.
What is the quality score of 0666?
REPT BATTERO Energy Co Ltd 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 Ltd (0666)?
REPT BATTERO Energy Co Ltd reported trailing-twelve-month revenue of about HK$24.3B (latest available figure, as of Aug 27, 2026).
What is the net profit margin of 0666?
The net profit margin of REPT BATTERO Energy Co Ltd is about 2.6%, meaning it keeps roughly 2.6% of revenue as net income. Based on the latest reported figures.
Does REPT BATTERO Energy Co Ltd pay a dividend?
REPT BATTERO Energy Co Ltd currently shows a dividend yield of about 0.65% relative to its recent price (as of Aug 27, 2026).
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