ADATA PV110 10400mAh Large Capacity Power Bank, Pink (APV110-10400M-5V-CPK) High Capacity for Your Satisfaction: 10400mAH Dual USB Output for Fast Charging: 3.1A (1A+2.1A) Max LED Indicator of Electricity. Six-fold Protection For The Maximum Safety. Safety Mechanisms- Charging. OTP - Over-Temperature Protection SCP - Short Circuit Protection OVP - Over-Voltage Protection OCP - Overcharge Protection