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The golden rule: 20–80%
This single habit has the biggest impact on long-term battery health. Lithium cells experience far less stress in the middle of their charge range.
Do
- ✓ Set daily charge limit to 80%
- ✓ Charge to 100% the morning of a long trip
- ✓ Precondition while plugged in
- ✓ Use Level 2 for everyday charging
- ✓ Store at ~50% for extended periods
- ✓ LFP owners: charge to 100% weekly
Don't
- ✗ Leave it at 100% overnight regularly
- ✗ Drain to 0% or single digits
- ✗ Rely on Superchargers as your daily charger
- ✗ Leave unplugged in extreme heat for days
- ✗ Leave at a low charge (< 20%) for weeks
- ✗ Set limit to 100% and leave it there
Charging methods compared [1]
Level 1
120V / ~1.4 kW
Speed
3–7 miles / hour
Full charge
~24 hours
Wall socket charging. Very slow but totally fine for overnight top-ups if you have low mileage days.
Level 2
240V / 7–11 kW
Speed
15–35 miles / hour
Full charge
4–8 hours
Home wall charger or public Level 2. The ideal everyday solution — fast enough to be convenient, gentle enough for daily use.
DC Fast / Supercharger
Up to 250 kW
Speed
200+ miles / hour
Full charge
20–45 mins
Great for road trips. Safe in moderation — Tesla's thermal management handles it. Avoid as your sole daily charging method.
Temperature and your battery [2]
Cold weather
- →Temporary range loss of 10–30% is normal and recovers when warm
- →Cold cells charge slowly — avoid forcing DC fast charging until the battery is warm
- →Navigate to a Supercharger to trigger automatic battery preconditioning
- →Precondition the cabin while plugged in — uses grid power, not battery
Hot weather
- →Sustained heat + high charge level = permanent capacity loss over time
- →Drop daily charge limit to 70–75% in very hot climates (above 35°C regularly)
- →Park in shade or a garage — ambient temperature matters more than most people realise
- →Cabin preconditioning also activates battery cooling — use it while plugged in
Range loss at low temperatures [3]
| Temp | Range loss | 200-mile battery gives you |
|---|---|---|
| 21°C / 70°F | 0% | 200 miles |
| 4°C / 40°F | −10% | 180 miles |
| −1°C / 30°F | −16.5% | 167 miles |
| −7°C / 20°F | −27.3% | 145 miles |
Long-term storage
Leaving your Tesla unused for more than two weeks? Follow these steps to minimise degradation.
- 1
Charge to 50% (±10%)
This is the ideal storage voltage for lithium cells — approximately 3.8V per cell.
- 2
Plug in where possible
Even a Level 1 charger lets the car manage its own temperature and vampire drain. Unplugged, it slowly drains itself.
- 3
Store in a cool, dry place
10–20°C (50–68°F), humidity below 85%. Avoid direct sunlight and extreme temperature swings.
- 4
Check monthly if unplugged
Top up to 50% if it drops below 40%. Never let it sit below 20% for extended periods.
These guidelines combine Tesla's official recommendations with widely accepted EV community best practices. Individual results will vary depending on model, software version, local climate, and driving style.
Common questions
Want to check your battery's current health?
Use the calculator to estimate your actual remaining capacity versus when it was new.