inputs.text: portable power need - best charger found ipad iphone not charge time use charge jawbone headset wifi hotspot breakdown likepros great form factor easy carry along no bigger portable hard drive saved phone calls numerous times not access plug traveling holds charge month not used 21a port charges iphone super fast ipad 2 reasonable amount time plenty capacity maybe recharge guy 12 times month get several recharges phone itcons tough distinguish much charge left using device blue led sometimes hard read takes awhile recharge leave overnightimprovehements think made wish another 21a charger ports way select ports amperage would nice could charge devices charged sometimes not enough plugs hotel plus not carry many chargers battery