This is an Automatic Charger with Trickle Mode in order to not overcharge your batteries and keep them running stronger for longer. This is a 6 amp Charger and is designed for overnight charging.

• Automatic three-stage charger with trickle mode. 
  
• One Year Warranty
  
• Input: 110-120 Vac or 220-240VAC
  
• Output: 48 Vdc, 6 amps