1.12V/24V( automatic identifying) 
2. We can supply 16-24A Current  range for this shape.
3. According to the voltage of the battery, adjust the charging current and decide if need supply  the power to the load
4.  Always ensure the battery in full condition;
5.  Over-charging protection;
6.  Over-discharging protection;
7.   Anti-charging protection from battery to solar panel in the night;
8.   Working temperature: -20 ~ + 60℃ 
9. Overloading protection
10. Short circuit protection
11. Reverse current protection
12. Reverse polarity connecting protection
13. Thunder and lighting protection
14. Over discharge protection         
                                                                                                                                                                                                                                                                                                                                                        15. Over charge protection 
16. Display the capacity of the battery SOC
17. Intelligentized the temperature compensation
18. Memorize accumulated charging ampere hours on the LCD screen
19. Memorize accumulated loading ampere hours on the LCD screen
20. MCU control and LCD display

We can design the current and voltage on the basis of your requirement.

Welcome your proposals.