Battery Case, Protective Charging Case 6000mah Ultimately Portable Power Bank Charger Case Rechargeable Charger Case Powerful Battery: Did you ever be deceived to purchase battery cases with a capacity of 20000mah as some TPU bumper cushions offer shockproof protection from the impact of accidental falls or drops. Easy access to all buttons, controls and ports without having to remove your phone. Made with dual-materials (durable 1.5mm hard plastic back-plate and flexible TPU edges and corners) to offer full protection all around the device.