The numbers
| 2.9 kWh | 3.5 kWh | |
|---|---|---|
| IDC range (450X) | 126 km | 161 km |
| IDC range (450S) | 122 km | 161 km |
| TrueRange (real-world) | 105 km | 130 km |
| Home charger | 450 W | 900 W |
| Home charging 0–80% | 5 hr 10 min | 3 hr 25 min |
| Home charging 0–100% | 6 hr 30 min | 4 hr 30 min |
| Ather Grid, 10 minutes (450X) | up to 15 km | up to 30 km |
| Ather Grid, 10 minutes (450S) | up to 15 km | up to 15 km |
| Kerb weight | 108 kg | 111.6 kg |
The 450 Apex is sold only with the 3.5 kWh battery.
When 2.9 kWh is enough
TrueRange is Ather's own estimate for mixed real riding, and 105 km covers a lot. If your round trip is under 50 km — Velachery to Perungudi and back, say, or around Puducherry town — and you can charge at home overnight, the 2.9 kWh pack will rarely run low. It is also 3.6 kg lighter, which you notice when manoeuvring in a tight parking spot.
When the 3.5 kWh pays for itself
- Long daily commutes. Chengalpattu to Chennai, or Siruseri to the city centre, eats into a 2.9 kWh pack quickly once you use Sport mode.
- No overnight charging. If you charge at work or rely on fast chargers, the 900 W home charger and (on the 450X) the 30-km-in-10-minutes Grid rate save real time.
- Weekend trips. A run down the ECR towards Mahabalipuram or Puducherry is far more relaxed with 130 km of real-world range. Our ECR trip guide has the details.
- Resale. Buyers of used scooters look for the bigger battery.
Our advice
If you are unsure, add up your longest regular day — not your average one — and double it. If that is over about 80 km, take the 3.5 kWh. Otherwise the 2.9 kWh saves money you can put towards the extended battery warranty or accessories. See our cost-per-km guide for what each kilometre costs.
Questions we get asked
Batteries are not sold as an upgrade for an existing scooter. Choose at purchase — it is the one decision you cannot easily change.
Peak power and top speed are the same on both packs. The difference is range, charging time and, on the 450X, fast-charge speed.
Yes: 3 years or 30,000 km as standard, extendable up to 10 years or 1,00,000 km with Ather's extended battery warranty.