ZeroLemon 7500mAh Extended + NFC Battery Combo for Samsung Galaxy S5 - TPU Back Cover Included [180 Days Warranty] 180 days zero lemon guarantee warranty with amazon 30 days full refund guarantee; longest warranty period in market; 24 hours / 6 days a week support; 100% zero defect guarantee Black Color full edge wrap TPU case-in-one construction built to endure hard drops & Heavy shocks. No more brittle back covers that offers no protection to your Phone Full NFC support for s beam and Google wallet Direct battery discharge design to provide absolute power efficiency. External battery waste 30-40% through USB cable and voltage Conversion Compatible with Galaxy S5 models except S5 active or S5 Sport. Largest capacity battery in the world guarantee