Batmax is also another battery suitable for your Gopro Hero 4. It is also three pieces and available in Black/Silver colors. Its capacity is 1500 mAh, and voltage power is 3.7V. Cell lasts longer and does not affect the memory adversely. It’s a CE certified and tested by the manufacturer. Charging cable and user manual are also part of this pack. It has 30 days money back and two years warranty. Price is just $19.99. You may buy it in the Amazon store.