Tyfy AHDBT-401 Li-ion Camcorder Battery Replaces GOPRO AHDBT-401 Camera Battery.Tyfy Batteries are the most reliable, efficient and Long Lasting solution for the professional Camera/Camcorder. Tyfy Batteries gives highest back up and more recycle than the other batteries. The battery needs to be stored in the dry and cold place. The recommended storage temperature is 10-30 DegreeC. Model: for AHDBT-401. Voltage: 3.7V. Capacity: 1160mAh. Cell type: Li-ion. Fit for:GOPRO HERO GPH4.