20319-7 - Battery Doctor® Battery & Alternator Water-Resistant Master Switch charger accessory Old number PR21S-60B

Old number PR21S-60B

0-50 Volt DC clamp-mount Heavy-Duty volt meter for battery chargers & voltage monitoring

Includes installed circuit board

with state of charge shown on the LCD screen

12-0200 Quick Start Guide

20319-7 - Battery Doctor® Battery & Alternator Water-Resistant Master Switch charger accessory Old number PR21S-60BBattery Doctor Battery & Alternator Water Resistant Master Disconnect Switch Rated 100 Amps Continuous @ 12 Volts Rated 500 Amps Surge Capacity @12 Volts Reduces Risk of Alternator Circuit Damage Due to a Possible Heavy Voltage Surge Includes: Water Resistant Cover 1 Key with Switch Body 3 Ohm 11 Watt Resistor and Wiring Diagram