BYD is bringing its 5-min 'Flash' electric car charging to Canada
BYD’s plan to roll out ultra-fast “Flash” EV charging stations in Canada, capable of adding roughly 400 km of range in five minutes, is seen as both a major convenience boost for drivers and a potential stressor on local power grids, mitigated in part by on-site battery buffering. Commenters weigh how such extreme fast charging might affect battery longevity, generally concluding that heat management matters more than charge speed and that real-world data is still emerging. The move also highlights broader shifts in the global auto industry, with Chinese manufacturers gaining technological and cost advantages as North American and European markets grapple with tariffs, protectionism, and uneven charging infrastructure.
Battery longevity and ultra-fast charging
- Several commenters ask how 5‑minute “Flash” charging affects battery life; consensus: unknown for this specific tech, but:
- Studies of EVs and smartphones suggest fast DC charging is less harmful than once feared if thermal management is good.
- Heat, not current alone, is seen as the main degradation driver.
- BYD is said to use advanced cooling (e.g., direct refrigerant immersion, pre‑warming, low‑resistance cells), plus better monitoring to avoid dendrite growth.
- Many argue road‑trip fast charging will be occasional; daily charging should be Level 2 at home/work.
Charging infrastructure, grid impact, and buffering
- Concern that megawatt‑class 5‑minute charging is a major logistical challenge for local grids.
- BYD reportedly deploys local battery storage at stations:
- Some say these are charged “off‑peak” to reduce grid stress.
- Others argue full off‑peak storage for all demand is uneconomical; more realistic use is power‑smoothing (drawing lower continuous power and discharging in short, high‑power bursts).
- Discussion of required battery capacity per site and trade‑offs between grid connection size and storage cost; details seen as an engineering/usage‑pattern question.
Geopolitics, trade, and market access
- Long thread on US–China–Canada auto politics:
- Canada’s limited opening to Chinese EV imports (49k units) is framed as a wedge in North American auto integration under current US tariffs.
- BYD’s charging network is viewed as a way to rapidly entrench Chinese presence in Canada.
- Speculation that Canada could pivot away from US auto suppliers if squeezed.
- Debate over whether/when BYD can enter the US:
- Some see Canada and Mexico as stepping stones; others predict strong US protectionism and even bans on Chinese‑origin cars (including via Canada/Mexico).
- Concerns about dependence on Chinese infrastructure in a conflict scenario, countered by pointing out US tech/control risks as well.
EV adoption trajectories (US, Europe, China)
- Multiple comments compare EV adoption:
- China seen far ahead on EVs, batteries, and charging, with BYD as a key leader.
- US is described as slow, politicized, and protectionist, but with potential due to home charging and solar.
- Europe viewed as having early momentum but hampered by poor apartment/urban charging and fragmented, app‑heavy public networks; some countries are doing much better than others.
BYD product quality and labor ethics
- European owners report strong build quality and a “premium” feel versus established brands; software impressions are less detailed.
- Questions raised about parts availability and repairability, especially with cell‑to‑body designs.
- Ethical concerns highlighted about alleged labor abuses in BYD’s Brazil operations and investigations in other countries; some commenters say this affects their purchase decisions.
Safety and fire risks
- Sarcastic comments about “Flash” implying fires prompt discussion:
- Several point out ICE vehicles also suffer frequent fire‑related recalls.
- General view: both gasoline and high‑energy batteries carry risk; EV fires are often overemphasized.