Now you can use your Samsung Galaxy J1 at full capacity again without worrying about the battery life. With a new and improved technology and a capacity of 2050mAh you can enjoy your smartphone and make the most of its cool features. Please note that this battery is compatible with the Samsung Galaxy J1 2016 Model only, other models may vary in battery size. Specifications Battery capacity: 2050 mAh Voltage limit: 3.85V