Battery cell：Li-polymer with 4

Battery cell：Li-polymer with 4 indicator light show charging itself and charging phones Input: 5V/2A(max) Output: 5V/2A(max) Sample 15 usd ≥100pcs US$ 5,50 ≥300pcs US$ 5.00 ≥1000pcs US$ 4,75 Lifetime cycles: Over 500 times Input Charging time: 3-4hours size: 104.8mmx63.6mmx13.1mm N.W.: 111g; G.W.: 131g ≥500pcs US$4.57 Material: ABS plastic Logo: printing