| Abso DC - DC Battery Charger | DMT 1230 | 
  | DC Controller Output (Battery): | 
  | Output Current (Maximum) | 30A | 
  | Output Voltage Range: | 
  | Charge | 13.5 - 15.5 V | 
  | Float | 13.0 - 13.8 V for 12V Battery | 
  | Equalize | 15.5 V | 
  | Charging Control | Five Stages (Test/Bulk/Absorption/Float/Recharge) Four Stages (Test/Bulk/Absorption/Recharge) Constant Power Supply (Program Setting) | 
  | DC Output Bank | One | 
  | Selectable Battery Type | Gel, AGM, Flooded, Lithium, Program | 
  | Parasitic Current | < 10 uA Efficiency > 90% | 
  
  | DC Input (Battery/Alternator): | 
  | DC Input Range | 10.5 - 32 Vdc | 
  | DC Input Nominal Operation | 12.8 V charging system 25.6V for 24V charging system | 
  | Engine Start Control: ON | DC Input from Battery/Alternator | 
  | Engine Start Control: OFF | DC Input from PV Input (if available) | 
  
  | DC Input (PV Input): | 
  | DC Input Range | 10.5 - 32 Vdc | 
  | DC Input Nominal Operation | 17.5Vdc for 12V PV panels connected in parallel 35.0Vdc for Dual 12V PV panel connected in series | 
  | MPPT Tracking Efficiency | >98% | 
  
  | DC Output Protection and Features: | 
  | Reverse Battery | Yes (shutdown) Automatically reset | 
  | DC Output Short Circuit | Yes (shutdown) Automatically reset | 
  | Over Charge | Yes (shutdown) | 
  | Over Temperature | Yes (de-rated and shutdown) | 
  | DC Fuse | 2*15A, 32V | 
  | Cooling | Force Air Ventilation | 
  | Temperature Setting | Hot, Nominal, Cold (no sensor connected) | 
  | Battery Temperature Sensor Port | RJ12 (optional battery temperature sensor use) | 
  | Digital Display Port | RJ12 (optional display panel use) | 
  
  | Display/Indicator: | 
  | Indicator on unit | Flashing Green LED: Charging in process Solid green LED: Fully Charged | 
  | Built-in Display or through RJ12 Port | LED Display with back lighting Charging status, Battery Voltage | 
  | Warning and Fault Code | On unit: Fault LED (red) Digital Display: A01, E01-09 | 
  
  | DC Output Connection: | 
  | Power Connection | Heavy Duty Connector | 
  | Accessory (Optional): | 
  | Remote Display | Heavy Duty Connector | 
  | Battery Temperature Sensor | Yes (battery temperature sensing) |