Some The  entry-level CR Series provides AC power without interruption to keep your  critical equipment running during a power outage. Built with an automatic  transfer switch, the CR instantly switches to battery power during a blackout  or brownout. When AC power is restored it automatically recharges the battery.  Available in 1000, 1500 and 2400 watt models, it is ideal for powering common  loads such as refrigerators, computers, lights, small televisions, radios and  fans.  
                                    
                                  The DR  Inverter/Charger provides dependable modified sine wave power for businesss,  homes and workshops.  Available in 1500 or 2400 watt models, it can power  most common electrical appliances such as lights, televisions, cash registers,  refrigerators, washing machines, computers, and power tools.
                              
                                  
                                    Type  | 
                                    CR1012E  | 
                                    CR1512E  | 
                                    CR2412E  | 
                                    DR1512E  | 
                                    DR2424E  | 
                                  
                                  
                                    Output  | 
                                    1000W  | 
                                    1500W  | 
                                    2400W  | 
                                    1500VA  | 
                                    2400VA  | 
                                  
                                  
                                    O/P Surge  | 
                                    1500W  | 
                                    2250W  | 
                                    3600W  | 
                                    -  | 
                                    -  | 
                                  
                                  
                                    Wavefore  | 
                                    Modified  | 
                                    Modified  | 
                                    Modified  | 
                                    Modified  | 
                                    Modified  | 
                                  
                                  
                                    Efficiency  | 
                                    86%  | 
                                    86%  | 
                                    86%  | 
                                    94%  | 
                                    94%  | 
                                  
                                  
                                    System  | 
                                    12V  | 
                                    12V  | 
                                    12V  | 
                                    12V  | 
                                    24V  | 
                                  
                                  
                                    I/P and O/P  | 
                                    230V,50Hz  | 
                                    230V, 50Hz  | 
                                    230V,50Hz  | 
                                    230V,50Hz  | 
                                    230V,50Hz  | 
                                  
                                  
                                    Transfer Time  | 
                                    20ms  | 
                                    20ms  | 
                                    20ms  | 
                                    -  | 
                                    -  | 
                                  
                                  
                                    Max Charging current  | 
                                    40A  | 
                                    40A  | 
                                    50A  | 
                                    70A 
                                      3-Stage  | 
                                    70A 
                                      3-Stage  | 
                                  
                                  
                                    Dimension(mm)  | 
                                    579 x 227 x 179  | 
                                    216 x 559 x 184  | 
                                  
                                  
                                    Weight  | 
                                    18Kg  | 
                                    20Kg  | 
                                    27.5Kg  | 
                                    17.2Kg  | 
                                    20Kg  | 
                                  
                                  
                                    Warranty  | 
                                    1Year  | 
                                    1Year  | 
                                    1 Year  | 
                                    2 Years  | 
                                    2 Years  | 
                                  
                                
                              For CR series download  datasheet from http://www.xantrex.com/web/id/193/p/1/pt/18/product.asp and document download
                              For DR series,  download document from http://www.xantrex.com/web/id/100/p/202/pt/18/product.asp and document download