Quick Details 1. Portable Fashion Electronic Gift 2. Plastic case is easy to silkscreen custom logo on product 3. 4400mAh capacity is enough to fully charge smartphones. 4. Using 2pcs 2200mAh Samsung Grade A 18650 Li-ion cells.. 5. MSDS, CE, ROHS, FCC certificates are available. 6. Universal Gift Power Bank for iPhones, Samsung and other Smartphones