Input Voltage: 3.7V - 5.5V.
Output Voltage and Current: 5V 1A.; Internally installed charging and discharging power MOS.;
Safety protection function: Constant over temperature protection, overcharge and over discharge protection, output overvoltage protection, output overload protection, output short circuit protection, etc.; Applicable to manifold batteries such as Polymer, 18650 Lithium, Mobile Phone and Tablet Battery etc;
Charging and discharging: 134N3P has built-in charging and discharging power MOS, the charging current can be set, the maximum charging current and maximum discharging current are 1A.