SolokingTM 4200mah Backup Battery Charger Case,extended Battery Life with kickstand for iphoneSE/5C/5S/5 (Black) Built in 4200mAh polymer Li-ion battery which can effectively provide 100% additional battery life to your iphone 5 5s, Works as a protective case to safeguard your phone from scratches,fingerprints,dusts and bumps Perfect cutouts allow access to all cameras,microphones,sensors,controls and most importantly headphone jack Built-in kick stand that offering a comfortable angle for watch movies,web-surfing Power switch allows you to switch on/off the battery case and 4 Led indicators for power balance(0--25%--50%--75%--100%) Rechargeable for over 500 cycles,Built-in short circuit and over-charge protection