For an Emporia Touch Smart 2 mobile phone, you should order a battery compatible with the AK-V188 model. This battery is usually a Li-ion battery with a capacity of 1100 mAh, although some sources may offer alternatives with different capacities. Make sure that the battery you choose is designed for the Emporia Touch Smart 2.

If you can't find the exact AK-V188 model, check that the battery you buy is compatible with your device and offers the same or better specifications.