E30V/DG1 Battery Tender - 10 Bank Charger
 
It's the first fully automatic, constant-current battery charger designed to charge and/ or maintain up to 10 12-volt or 6-volt batteries simultaneously. 
12V or 6V switchable @ 4A
AGM/Standard or GEL/Lithium 12V only Iron switchable
To avoid dangerous dead-short sparking, microchip circuitry will not activate output voltage until clips are correctly connected to battery.
Simultaneously charges and/ or maintains up to 10 batteries.
Maintains batteries at full charge.
4 amps per output charging current.
Clamps included.
Safety timer: 25 hrs.
AC Power Cord Length: 6 ft. - 16 AWG
DC Output Cord Length: 10 in. - 16 AWG
DC Output Accessory Length: 7 ft.
Weight: 13 lbs.
Warranty: 3 Years