200 amp battery isolator

Battery Isolator
Neg. Grd.,

For use with  2-Batteries,

1-Alternator, 200 Amp Max. Alternator Output 

A battery isolator will let you completely discharge one battery without discharging the starting battery; and let you charge two batteries with ONE alternator.

Tech info: http://www.bcae1.com/battiso.htm

For:
Dual Battery Systems w/ 200A Max. Charging Systems

Used On:
Heavy Duty Truck  - Audio - Racing Applications

Dimensions:
12.5 in. L x 4.55 in. W x 2.52 in. H
318mm L x 116mm W x 64mm H
5/16-18 Terminals

Features:
Not for GM / Delco style CS alternators

Blue aluminum finned heat sink
Press-fit diodes
Welded connections