The Ford EcoSport only recently came to the US in 2017. It’s on the second generation of cars. The current key fob battery is the CR2450 (more on the CR 2450 here). It’s a larger fob and battery, but one that is very easy to replace.
| Model | Trims | Generation | Years | Key Fob Type | SubType | Rechargeable? Ease of change | Battery | Buy |
|---|---|---|---|---|---|---|---|---|
| EcoSport | 1.4 L TDCi Diesel, Duratec 2.0 L gasoline, 1.0 L EcoBoost, | 2nd | 2018, 2019 |  Easy Pull Out Valet Key | Smart Key | No | CR2450 | Check on Amazon |
Here’s my video on how to replace the EcoSport key fob battery:
This is the battery for this Ford EcoSport smart key fob:
Energizer Lithium Coin Blister Pack Watch/Electronic Batteries, 1 Count (Pack of 2)
- Pack of 2 batteries
- Lithium coin batteries for watches and electronic devices
- Has a power of 3 volts
The non-US models may have other key fobs, see my page on all Ford Key fobs to see which fob / remote battery you may have to replace.