This charger has two isolated outputs so they can be used as two independent 5 Amp chargers for 12 volts, or as a combined 10 Amp charger for 12 volts, or they can be put in series with each other and used as a single 5 amp charger for 24 volts 
 

• 10 Amp Battery Charger model # 2611A
• Total Amps: 10 @ 12 volts
• Number of Outputs: 2
• Amps per output: 5/5
• DC Output: 2-4' Cables w/ring terminals
• Input Voltage: 100-130VDC/50-60Hz
• AC Input: 6' cord W/Connect Charge Plug
• Dimensions: 7.75" x 5.50" x 2.42"
• Weight: 5.6 Lbs.
• Ignition Protected
• Reverse Polarity Protected
• Short Circuit Protected
• 3-Stage charging
• Maintenance Mode protects batteries during storage
• Fully Potted to Waterproof Electronics
• Vibration and Shock Protected
• For Flooded, Gel and AGM Batteries
• 2 - Year manufacturers Limited Warranty
• Lifetime Warranty Against Water Damage