Very popular slim Aluminum power bank (Effective price!)
► 4000mah Grade A Non-Recycled Li Polymer battery.
► This item price is quite competitive which makes it a excellet item for promotion.
► 4 LED power light to indicate the remaining battery life 25%-50%-75%-100%.
► A USB output and micro USB input
► Charges most phones,tablet,cameron and digital equipments.
► 2sides entire big logo area for 4c full colorprinting or silkscreen,best advertising your company!
► 7 Protection System:Over charge/discharge/Voltage/Current/Power/Temperature/
Short circuit protection
► CE,FCC&RoHS certified