inputs.text: good performed well - ive used new trent imp70d often initially expected performed well standard takealong day bag full charge recharge empty iphone4 4 timesnormally iphone4 makes day fewer 23 hours talk time longer days find easy \\top up\\ midway day ive used juice usual ill late gives peaceofmind occasions newtrent saved day letting talk 8 hoursas device works well like blue power level indicator dual charging capability 21amp ipad outlet use occasionally ipad like charger uses micro usb connector letting carry one charger newtrent plantronics voyager bluetooth headset unit small looks good seems solidin comparison addon batterypack case iphone disadvantage separate unit advantage also charge ipad headset also connected needed