... protection and TVS lightning protection.5. Temperature compensation function.ModelSR-L seriesrated charging current5A,10A ,15A ,20A ... 4.0mV/°C/2V(boost voltage, direct charge, float charge and charge return voltage compensation)Control methodPWM Smart ChargingWorking ... load current short circuit protection action.Circuit protectionOver-charge, over-discharge, short circuit and over-load protectionAll ...