● Suitable for single or dual cell Li-Ion / Li-polymer battery charger with high efficiency design 
 ● Built-in power MOSFET 
 ● Soft start 
 High switching frequency 500KHz ● 
 ● 0.5% charge voltage accuracy 
 ● Programmable maximum charging current control, up to 1500mA 
 ● high battery current detection 
 ● Anti-reverse current protection circuit prevents the battery from intrusion 
 ● NTC thermistor interface to monitor the battery temperature 
 ● whether the battery test 
 ● LED charge status indicator 
 ● constant charging voltage value can be fine-tuning by an external resistor 
 ● Cycle-by-Cycle current limit, the battery short-circuit detection, protection 
 ● side charging side discharge function 
 ● Input voltage range 4.5V ~ 18V 
 ● Operating temperature range: -30 ℃ ~ 70 ℃