Specification: Input voltage range: 5 ~ 5.5V Charging cut-off voltage: (4.2v/4.35v) ± 0.5% Charging current: 2.4a ± 5% Boost output voltage: 5V ~ 5.15v (line loss compensation) Boost output voltage ripple: 100mV Boost output current: 2A Boost conversion efficiency: 92.5% (3.6V input, 5v2a output) Static current at battery end: