Battery Run is a free touchscreen panic game set entirely on a premium electric car's dashboard. You're five miles from home with 20% battery — you should make it. But the car keeps quietly spending your remaining charge on being expensive: warming an empty seat, preconditioning for a charger you're not visiting, rerouting for "arrival confidence." Your job is to hunt down the drains and shut them off before the battery hits zero. The car isn't a monster. The car is a support workflow.
How to play Battery Run
- Watch the drain rate. The dashboard shows battery drain in % per second. A spike means something just switched on — find it.
- Tap the glowing tiles — Climate, Seat Heater, Preconditioning, Charger Scan and more — to shut each drain off. Some turn on quietly, so scan the whole dashboard.
- Guard Low Power Mode. The big central button slows the drain — but the car keeps turning it off "for premium experience." Keep tapping it back on.
- Reject the pop-ups. Software updates, reroutes and new terms all hide the correct choice in a tiny, muted button. The big tempting one ("Install," "Accept," "Accept Route") is the trap.
- Reach home. Distance ticks down automatically — the only question is whether the battery outlasts the trip.
In the game, a missed glitch just bumps a meter. In real life, an intermittent fault the dealer logs as "unable to reproduce" can leave you paying out of pocket for a defect that's technically still under warranty — because without documentation, it never officially happened.
How EV warranties actually work
Most electric cars carry two separate warranties. The basic (bumper-to-bumper) warranty — often around 3 years or 36,000 miles — covers most components. The battery and drivetrain warranty is longer, commonly 8 years or 100,000 miles, and often guarantees the battery will retain a minimum capacity (frequently 70%) over that period. What trips owners up is the exclusions: normal battery degradation, software behavior, wear items, and anything attributed to misuse may not be covered, which is exactly why a documented fault matters.
Battery degradation vs. a real defect
All lithium-ion batteries lose some capacity over time — a few percent in the first year, then a slow decline. That gradual loss is usually normal and not a warranty claim. A sudden capacity drop, a cell that fails, or range that collapses far faster than expected can be a genuine defect — but only if you can show it happened. Screenshots of range estimates, charging logs, and dated service records are the difference between a covered repair and a shrug.
Lemon law and the paper trail
Lemon laws exist in every U.S. state. They generally require the manufacturer to buy back or replace a vehicle with a substantial defect that can't be fixed after a reasonable number of repair attempts (often three or four for the same issue), or that's been in the shop for a cumulative number of days (often 30). The entire system runs on documentation: repair orders that name the same problem, on dated paper, every single visit. "Document everything before it becomes unable to reproduce" is not just the game's joke — it's the actual strategy.
Frequently asked questions
- Is Battery Run free?
- Yes, it plays free in any modern browser on phone or desktop.
- What do I actually watch on the dashboard?
- Three numbers: Battery % (your health, timer and score in one), Distance Home (ticks down on its own — reach 0 to win), and the drain rate in % per second, which tells you instantly when a hidden system is eating your charge. The Arrival Battery estimate is a comedy device — it lies.
- Why is the bright button the wrong one?
- It's a dark pattern, on purpose. The most prominent option in a real software prompt is often the one that benefits the company — installing an update mid-drive, accepting new terms, or rating five stars while the car fails.
- Does cold weather really hurt EV range?
- Yes. Cold reduces usable battery capacity and adds cabin-heating load, so winter range can drop noticeably. It's expected behavior — but it shouldn't be confused with, or used to hide, an actual defect.
- What should I keep if I think my car has a problem?
- Dated repair orders, photos and screenshots of warnings and range, charging records, and a simple log of when each issue happened. Bring receipts before the dashboard gets poetic.
Key terms glossary
Bumper-to-bumper warranty — short-term coverage for most components. Battery/drivetrain warranty — longer EV-specific coverage, often 8 yr/100k mi. Capacity retention — the minimum battery health guaranteed. Degradation — normal gradual capacity loss. Unable to reproduce — a fault the shop couldn't replicate, often closed with no repair. Lemon law — your right to a buyback or replacement for an unfixable defect.
Related
- ▶ Play Battery Run
- 🚙 Drive Home — car insurance and the cost of driving uninsured.
- 🏚️ Landlord Clicker — another empire built on deferred maintenance.
- 📚 More explainers in the Learn hub