This is a smartphone power jacket that is compatible with the Galaxy S4 and Note 3. It is well engineered to deliver reliable and stable performance. This power jacket offers an extra-long service life.
The best power solution for 4G LTE generation.
World thinnest battery with 1,000/1,250mAh capacity (additional).
Patented technology for power supply.
Comprehensive protection for Galaxy S4 and Note 3.
Perfectly integrated with Samsung Galaxy S4 and Note 3.
Front cover protect fragile display panel.
No extra cable required.
Combines with original battery in a parallel circuit.
High capacity with high efficiency.
Very lightweight and very slim.
Expand continuous usage time around 40%.
Extend original battery lifetime (loading balance).
Made with ceramic materials, very reliable, very stable and very safe.