SMART BATTERY CHARGER 
Fast and efficient charging mode
Perfect for all lead-acid, flooded or sealed maintenance free batteries
Micro processor controlled unit, intelligent charging mode
Complete 11-step charging program, maintenance after fully charging the battery
Fully protection
Short circuit/reverse polarity/overload/over temperature  protection, spark proof
LCD display
Make one series 
6V/12V    1A
6V/2A    12V/4A 
12V/6A   24V/3A
12V/8A   24V/4A
Remark: this style can not sell to European country