1. over-load protection
2.short circuit protection
3.reverse discharging protection
4.reverse-polarity protection
5.protection from the lightning strike.
6.under-voltage protection
7.over-charging protection
8.HVD setting when battery stopped working or charging.
9.LVD setting when load under voltage and stop working.
10. battery capacity display SOC
11. Renew setting of load-starting
12. intelligentize of temperature compensation
13.controller is always counting and saving the charging current hours and display on LCD screen.
14. controller is always counting and saving the discharging current hours and display on LCD screen.