Dashboard Display

Degradation simulator

Calculate the predictive aging of your Blade Battery according to your habits and climate.

Usage parameters

Annual mileage 15.000 km
Average annual temperature 18°C
Daily SoC when parked 60%
Fast charge usage (DC) 20%

10-year health projection

100%
Initial SOH
85.4%
Estimated SOH at 10 years
8.2% / 6.4%
Calendar loss (age) / Cycling loss (use)

Expert diagnosis & tips

How to improve the lifespan of your Blade Battery:

Park in the shade in summer. Every 10°C increase in temperature doubles the speed of calendar degradation.
For daily use keep the battery between 20% and 80%. Only charge it to 100% when you are about to travel or for calibration.
Charge to 100% once a week slowly on AC. This balances the cells and resets the SoC indicator.
Use slow charges (up to 7.4 kW / 11 kW AC). They have superior efficiency and keep the cells cool.

LFP physics

BYD's Blade Battery uses LFP (Lithium Iron Phosphate) cells. At physical and chemical levels, its degradation behaves very differently from traditional NMC/NCA batteries:

SEI layer growth

Calendar aging is dominated by the formation and growth of the solid electrolyte interphase (SEI) on the anode. This growth consumes active lithium ions. This process is sublinear with respect to time (it slows down in the last years) and doubles for every 10°C according to the Arrhenius equation.

Mechanical degradation by cycling

When charging and discharging, active particles experience volume changes (expansion/contraction). The Atto 3's instant torque (310 Nm) and high-power fast charging (DC) accelerate the appearance of microcracks, reducing the electrical conductivity of the electrodes.

Temperature effect in fast charging

Charging at high powers with the battery below 15°C promotes 'lithium plating' (metallic lithium deposition instead of intercalation), which irreversibly destroys useful capacity. Therefore, the car's BMS strictly limits power if it detects cold.