BLACKBOX

Two Safety Gaps: Sunwoda 3C Charging Claim and Pack Thermal Validation

Three Transparency Gaps: Sunwoda Specs, BYD Berlin, and 4680 Cycle Life

SU7 Battery Chemistry — The Variable That Defines Everything Else

// DATA GAP — BATTERY CHEMISTRY Xiaomi has not publicly disclosed the battery chemistry for any 2026 SU7 trim — Standard, Pro, or Max [?]. This is not

SU7 Real-World Range — Highway and Winter Numbers Xiaomi Has Not Published

// DATA GAP — REAL-WORLD RANGE The 902 km CLTC figure is a real standardized test result [C]. CLTC measures at approximately 28 km/h average speed with urban-weighted

Xiaomi Supercharger Network — Three Infrastructure Numbers That Do Not Exist

// DATA GAP — INFRASTRUCTURE The 897V architecture in the SU7 Max is a genuine hardware specification [C]. What that specification delivers depends entirely on whether the charging

12-Min Charge and 670 km Claim — Five Conditions Xiaomi Never Published

// DATA GAP — CHARGING BOUNDARY CONDITIONS Two charging claims. Five missing conditions. Every condition determines whether the headline number applies at your location. The 12-Minute Claim: Three

Geely Ultra-Fast Network Access for Non-Geely Vehicles — The Open Question BYD Already Answered

BYD answered the open-access question on March 9, 2026: “fully open for sharing across all brands; all EV models meeting GB standards can connect and charge normally” {CLM

BYD Highway vs. Urban Station Split — The Data Behind the May Day Countdown

4,597. That is the BYD Flash Charging station total confirmed as of March 13, 2026 {CLM — Xinjingbao}. It is also the only number available. How many of

Cross-Brand Charging Power Curve — Data That Should Exist But Hasn’t Been Published

BYD has 4,597 Flash Charging stations open to all GB-standard EVs {CLM}. The question they have not answered: what power does a non-BYD vehicle actually receive at those

[?] Long-Term Capacity Degradation Under Flash Charging — Time Constraint

Last verified: March 14, 2026. No real-world long-cycle flash-charging degradation data for Gen 2 Blade Battery exists. Time constraint confirmed — vehicles entered production March 2026. Status: OPEN

[?] Pre-Heating Time and Energy at Minus 30 Celsius — Not Disclosed

Last verified: March 14, 2026. Pre-heating time breakdown and energy consumption not published by BYD. No independent cold-weather test by third-party organization published. Status: OPEN. What would resolve

[?] Gen 2 Blade Battery Charging Speed at Non-BYD Chargers — Not Published

[?] SiC MOSFET Volume Pricing — Confidential

Last verified: March 2026. No OEM has published 800V vs 400V BOM cost comparison. SiC contract pricing remains confidential across all major suppliers. Status: OPEN.

[?] Independent Charging Curve Data at Full Temperature Range — Not Published

Last verified: March 2026. No comprehensive cold-weather charging data for Xpeng G9, Hyundai IONIQ 6, or BYD Han EV in public domain. Taycan partial data only. Status: OPEN.

[?] BYD Boost Converter Efficiency Curves — Not Published

Last verified: March 2026. No efficiency curve data published by BYD or any independent source. Status: OPEN.

[?] BYD Megawatt Flash Charging — Deployed Station Count and Locations

[?] BYD Warranty Terms for Ultra-Fast Charging Degradation

Last verified: March 2026. Not disclosed in any public BYD document. Status: OPEN.

[?] Blade Battery Cycle Life at 4C Sustained Charge Rate

Last verified: March 2026. No new data published. Status: OPEN.