20218 - Battery Doctor® Knife Switch - 1-Blade, 2-Way Part Type_Transformer 1 AWG Tangle-Free Dual Extruded

1 AWG Tangle-Free Dual Extruded Cable

--- Green LED blinks 3 times = Internal battery OK

Capacity AH (10-HR): 9

with replaceable 33" SB50 adapter)

610762 - Associated Eqpt Shunt

20218 - Battery Doctor® Knife Switch - 1-Blade, 2-Way Part Type_Transformer 1 AWG Tangle-Free Dual ExtrudedBattery Doctor Knife Switch 1 Blade, 2 Way Dual Battery Disconnect Switch, Single Blade allows use of one battery for accessories while reserving second battery for starting. Selected battery is connected to provide power and receive charging from vehicle; non selected battery remains idle. Surface mounted. Single Blade Selects Either Battery 2" W x 6 1 2" L x 2" H