BYD Sealion 7 Performance AWD 230kW DC Fast Charging Curve Tested on 350kW Kempower Charger (10% to 80% in 24 Mins)
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Took my BYD Sealion 7 Excellence AWD (91.3 kWh e-Platform 3.0 Evo) down the M40 yesterday and logged a full 10% to 85% DC fast-charging session on a 350 kW Osprey Kempower unit (ambient temp 11°C, battery pre-conditioned via built-in nav).
Logged Charging Curve:
- 10% – 35% SOC: Held a rock-steady 226 – 231 kW
- 40% – 55% SOC: 182 kW
- 60% – 75% SOC: 128 kW
- 80% SOC reached at: 23 minutes 50 seconds (added 66.4 kWh)
Even above 80%, the new Evo platform's pulse self-heating kept it pulling 68 kW all the way to 90%! Huge leap forward compared to earlier 400V LFP curves.
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For anyone reading this later: make sure you enable SOC calibration by charging to 100% on AC at least once every two to three weeks so the BMS range estimator stays dead accurate.
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@malcolms90 Checked with our local BYD master tech during my scheduled service yesterday and he confirmed this is the recommended best practice for long-term LFP Blade Battery health.
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