Vevor | | Rocker Switch, 6 Pin Momentary DPDT Rocker Switch, 3-Position (ON)-Off-(ON) Polarity Reversing Switch AC 250V/16A | Black | Best Buy

$13.90

Vevor | | Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR | Best Buy

$58.90