RAVPower® Battery Samsung Galaxy S4 / i9500, batteire Rechargeable Replacement - 3.8V 2600mAh / 9.88Wh Lithium battery with NFC-year warranty (Electronics)
I bought this second battery because the original Samsung will hold a charge a half day (ac WiFi, GPS and medium brightness) (phone at 1 year and a half). The second battery allows me to keep the day of intensive use (GPS, Wifi, bluetooth) but if in