Please note: This battery is not compatible with a J1 Ace. 

This is a compatible replacement lithium-ion battery that will perform just like the original battery in your phone.

Boost your device back to the power required needed throughout the day.

Specifications:

Compatible Model: Samsung J1, J100, J100H, J100F

Compatible Battery Model: EB-BJ100BBE, EB-BJ100CBE

Rated Capacity: 1850mAh, 3.85V