Search
Browse Categories
Browse by Manufacturer

Battery Isolators

Battery Isolators

Battery Isolators are solid state devices which allow electrical current to flow in one direction only, thus permitting the alternator to be connected directly to two batteries without fear of one high charged battery discharging into the lower charged battery. Both batteries are always being charged, automatically, in proportion to their needs, whenever the engine is running. When battery isolators are used in conjunction with selector switches, it is not necessary to change the switch position to provide charge of both batteries. Isolators provide proportioning of the output or charging current on the alternator to the batteries required, regardless of switch position. Rated for use with 10 to 350 amp alternators on
12, 24, or 32 volt negative ground systems.


Battery Isolators cannot be used on 12 volt charging systems with 24 volt trolling motors.

Download Battery Isolator Tech Tips Here


Displaying products 1 - 14 of 14 results
Arco BI-0702 Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries
Arco BI-0702 Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries
List Price: $89.88
Your Price: $78.23
You Save: $11.65 (13 %)
Arco BI-0702 Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries
Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries
Arco BI-0702-4 Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries, Regulator Sensor
Arco BI-0702-4 Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries, Regulator Sensor
List Price: $96.95
Your Price: $91.73
You Save: $5.22 (5 %)
Arco BI-0702-4 Battery Isolator, 70 Amp, (1) Alternator, (2) Batteries, Regulator Sensor
Battery Isolator, 70 Amp, (1) Alternator Terminal, (2) Battery Terminals, (1) Regulator Sensor Terminal
Arco BI-0703 Battery Isolator, 70 Amp, (1) Alternator, (3) Batteries
Arco BI-0703 Battery Isolator, 70 Amp, (1) Alternator, (3) Batteries
List Price: $132.63
Your Price: $113.33
You Save: $19.30 (15 %)
Arco BI-0703 Battery Isolator, 70 Amp, (1) Alternator, (3) Batteries
Battery Isolator, 70 Amp, (1) Alternator, (3) Batteries
Arco BI-1202 Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries
Arco BI-1202 Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries
List Price: $148.38
Your Price: $126.83
You Save: $21.55 (15 %)
Arco BI-1202 Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries
Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries
Arco BI-1202-3A Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries, (1) Exciter Terminal
Arco BI-1202-3A Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries, (1) Exciter Terminal
List Price: $163.95
Your Price: $155.18
You Save: $8.77 (5 %)
Arco BI-1202-3A Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries, (1) Exciter Terminal
Battery Isolator, 120 Amp, (1) Alternator, (2) Batteries, (1) Exciter Terminal
Arco BI-1203 Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries
Arco BI-1203 Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries
List Price: $202.38
Your Price: $174.08
You Save: $28.30 (14 %)
Arco BI-1203 Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries
Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries
Arco BI-1203-3A Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries, (1) Exciter Terminal
Arco BI-1203-3A Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries, (1) Exciter Terminal
List Price: $236.13
Your Price: $202.43
You Save: $33.70 (14 %)
Arco BI-1203-3A Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries, (1) Exciter Terminal
Battery Isolator, 120 Amp, (1) Alternator, (3) Batteries, (1) Exciter Terminal
Arco BI-1602 Battery Isolator, 160 Amp, (1) Alternator, (2) Batteries
Arco BI-1602 Battery Isolator, 160 Amp, (1) Alternator, (2) Batteries
List Price: $182.95
Your Price: $172.73
You Save: $10.22 (6 %)
Arco BI-1602 Battery Isolator, 160 Amp, (1) Alternator, (2) Batteries
Battery Isolator, 160 Amp, (1) Alternator, (2) Batteries.
Arco BI-1603 Battery Isolator, 160 Amp, (1) Alternator, (3) Batteries
Arco BI-1603 Battery Isolator, 160 Amp, (1) Alternator, (3) Batteries
List Price: $294.63
Your Price: $252.38
You Save: $42.25 (14 %)
Arco BI-1603 Battery Isolator, 160 Amp, (1) Alternator, (3) Batteries
Battery Isolator, 160 Amp, (1) Alternator, (3) Batteries
Arco BI-2702 Battery Isolator, 70 Amp, (2) Alternators, (2) Batteries
Arco BI-2702 Battery Isolator, 70 Amp, (2) Alternators, (2) Batteries
List Price: $193.38
Your Price: $181.55
You Save: $11.83 (6 %)
Arco BI-2702 Battery Isolator, 70 Amp, (2) Alternators, (2) Batteries
Battery Isolator, 70 Amp, (2) Alternators, (2) Batteries
Arco BI-2703 Battery Isolator, 70 Amp, (2) Alternators, (3) Batteries
Arco BI-2703 Battery Isolator, 70 Amp, (2) Alternators, (3) Batteries
List Price: $247.38
Your Price: $213.23
You Save: $34.15 (14 %)
Arco BI-2703 Battery Isolator, 70 Amp, (2) Alternators, (3) Batteries
Battery Isolator, 70 Amp, (2) Alternators, (3) Batteries
Arco BI-2703-4 Battery Isolator, 70Amp, (2) Alternators, (3) Batteries, Regulator Sensor
Arco BI-2703-4 Battery Isolator, 70Amp, (2) Alternators, (3) Batteries, Regulator Sensor
List Price: $254.13
Your Price: $217.28
You Save: $36.85 (15 %)
Arco BI-2703-4 Battery Isolator, 70Amp, (2) Alternators, (3) Batteries, Regulator Sensor
Arco BI-2703-4 Battery Isolator, 70Amp, (2) Alternators, (3) Batteries, Regulator Sensor
Arco BI-3202 Battery Isolator, 120 Amp, (2) Alternators, (2) Batteries
Arco BI-3202 Battery Isolator, 120 Amp, (2) Alternators, (2) Batteries
List Price: $346.38
Your Price: $319.25
You Save: $27.13 (8 %)
Arco BI-3202 Battery Isolator, 120 Amp, (2) Alternators, (2) Batteries
Battery Isolator, 120 Amp, (2) Alternators, (2) Batteries
Arco BI-3203 Battery Isolator, 120 Amp, (2) Alternators, (3) Batteries
Arco BI-3203 Battery Isolator, 120 Amp, (2) Alternators, (3) Batteries
List Price: $400.38
Your Price: $367.85
You Save: $32.53 (8 %)
Arco BI-3203 Battery Isolator, 120 Amp, (2) Alternators, (3) Batteries
Battery Isolator, 120 Amp, (2) Alternators, (3) Batteries
Shopping Cart
Your cart is empty.