12V 20A DC to DC On-Board Battery Charger

-Compatible with AGM, Flooded, Gel, and Lithium batteries. -Use 3-stage charging-Bulk, Boost, and Float to ensure charge to 100%. -Various Protections For Ultra Safety. -Protect Your Starter Battery. -Certified with CE. Robust design makes it suitable for all conditions   RENOGY 20A DC TO DC BATTERY CHARGER System Voltage: 12VDC Rated Charge Current: 20A Rated Max Power: 250W Idle Power Consumption: <0.4A Input Voltage Range: 8V-16V Weight: 3 lbs. / 1.3 kg Equalization Voltage: N/A Float Voltage: 13.2-13.8v