Xantrex Echo Charge 82-0123-01a

Keep your starting battery charged automatically. The Xantrex digital Echo-Charge is designed to charge your starting batteries, or an auxiliary battery bank, from an inverter/charger or other charging source with only limited voltage drop.
• Keep your engine start batteries or auxiliary battery bank charged
• Current limited to 15 amps
• Enough power to keep even large starting batteries charged
• Automatically adjusts for 12 or 24 volt battery banks (both battery banks must be the same DC voltage and battery type)
• Automatically switches On/Off without affecting the house battery bank
• Utilizes excess current from the primary charging source
• Built-in thermal and over-current circuits
• Reverse polarity protection
• Easy three-wire installation
• 1-year warranty