1.best factory price 2.high security protection 3.best after-sale service 4.CE FCC ROHS 5.portable charger Features1. With light on to show the charging indiction: One light on,<20%; two light on, 20%-50%; three light on, 50%-80%; four light on, 80%-100%2. Used A grade battery, Polymer batteries.3. Battery capacity: 1900mAh, enough capacity.4. 1900Ah of high capacity Polymer batteries,equivalent ...