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Battery Isolators for Multiple Batteries

Need a battery isolator? Whether you’re looking for a boat, automotive, or RV battery isolator, Waytek has what you’re looking for. Waytek Wire offers a variety of batter isolators to eliminate multi-battery drain when two or more battery banks are in a charging system. These act as a check valve between the batteries and the alternator, allowing current to only flow in one direction, from the alternator to the batteries. Designed to meet or exceed OEM specifications with their solid state electronics.

Waytek, Inc. offers an extensive line of battery isolators, including Sure Power batter isolators, as well as other Battery Management Products. Sure Power invented the battery isolator in 1959 and since has been designing and manufacturing innovative, reliable and cost competitive products and services for a wide variety of markets including off-highway, bus, and truck, marine and automotive. Sure Power manufactures the best isolator products on the market for 6 through 48 volt systems, with one or two charging systems, 2 or 3 battery banks, and current capacities of 25 through 350 amps. These are a standard equipment on many boats, RV's, trucks, emergency vehicles, industrial equipment and military vehicles. Please contact a sales representative with any questions or for additional information about our Sure Power isolators.
1 - 12 of 21
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Description
Price
Quantity
  • Cole Hersee 48525 Smart Battery Isolators
  • Category: Battery Isolators
  • Manufacturer: Cole Hersee
  • # of Battery Banks: 1
  • # of Alternators: 2
  • Termination: 5/16" -24 copper studs
  • Amp Rating: 85A
  • Voltage: 9-16V
  • LED status indicator
  • Works with SAE J1455 & J1113
  • Operating Temperature: 185°F (85°C) to -40°F (-40°C)
  • IP66 Ingress Protection
  • Works with all alternator types
  • Smart battery isolators are smaller, lighter and generate less heat than standard battery isolators
  • Reduces battery charging system workload by not connecting auxiliary battery until primary battery is charged to 13.2V
  • Allows bi-directional charging from alternator or from shore/campground charging components
  • Optional start assist - connect to a momentary switch that will allow the auxiliary battery to assist the starting battery
Item#:
77050
Manufacturer Item:
48525
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
88
 
RoHS Compliant
REACH Compliant
1+
67.3000
4+
60.5700
10+
53.8400
EACH
  • Cole Hersee 48530 Smart Battery Isolators
  • Category: Battery Isolators
  • Manufacturer: Cole Hersee
  • # of Battery Banks: 1
  • # of Alternators: 2
  • Termination: 5/16" -24 copper studs
  • Amp Rating: 200A
  • Voltage: 9-16V
  • LED status indicator
  • Works with SAE J1455 & J1113
  • Operating Temperature: 185°F (85°C) to -40°F (-40°C)
  • IP66 Ingress Protection
  • Works with all alternator types
  • Smart battery isolators are smaller, lighter and generate less heat than standard battery isolators
  • Reduces battery charging system workload by not connecting auxiliary battery until primary battery is charged to 13.2V
  • Allows bi-directional charging from alternator or from shore/campground charging components
  • Optional start assist - connect to a momentary switch that will allow the auxiliary battery to assist the starting battery
Item#:
77051
Manufacturer Item:
48530
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
218
 
RoHS Compliant
REACH Compliant
1+
106.2400
4+
95.6100
10+
84.9900
EACH
  • Cole Hersee 48090 Battery Isolators
  • Category: Battery Isolators
  • Manufacturer: Cole Hersee
  • # of Battery Banks: 1
  • # of Alternators: 2
  • Termination: (3) 1/4" Studs
  • Amp Rating: 90A
  • For use in 12-36 volt DC negative ground systems
  • Mounting holes: (2) 9/32" holes
  • Battery isolators are designed for vehicles and equipment with multiple batteries - one for starting the engine and another for powering accessories
  • Battery isolators prevent a battery with a higher charge from draining into a battery with a lower charge
  • Ensures your accessories won't drain your starting battery
  • Allows for both batteries to be charged simultaneously from one source
  • Electronic components are embedded for protection from contamination and vibration
  • Integral heat sink provides efficient heat dissipation
  • More battery management products available
Item#:
77053
Manufacturer Item:
48090
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
4
 
RoHS Compliant
REACH Compliant
1+
41.5500
4+
37.3900
10+
33.2400
EACH
  • Cole Hersee 48120 Battery Isolators
  • Category: Battery Isolators
  • Manufacturer: Cole Hersee
  • # of Battery Banks: 2
  • # of Alternators: 1
  • Termination: (3) 5/16" Studs
  • Amp Rating: 140A
  • For use in 12-36 volt DC negative ground systems
  • Mounting holes: (4) 9/32" holes
  • Battery isolators are designed for vehicles and equipment with multiple batteries - one for starting the engine and another for powering accessories
  • Battery isolators prevent a battery with a higher charge from draining into a battery with a lower charge
  • Ensures your accessories won't drain your starting battery
  • Allows for both batteries to be charged simultaneously from one source
  • Electronic components are embedded for protection from contamination and vibration
  • Integral heat sink provides efficient heat dissipation
  • More battery management products available
Item#:
77054
Manufacturer Item:
48120
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
5
 
RoHS Compliant
REACH Compliant
1+
66.5500
4+
59.8900
10+
53.2400
EACH
  • Cole Hersee 48122 Battery Isolators
  • Category: Battery Isolators
  • Manufacturer: Cole Hersee
  • # of Battery Banks: 2
  • # of Alternators: 1
  • Termination: (3) 5/16" Studs, (1) #10 Stud
  • Amp Rating: 140A
  • For use in 12-36 volt DC negative ground systems
  • Mounting holes: (4) 9/32" holes
  • Battery isolators are designed for vehicles and equipment with multiple batteries - one for starting the engine and another for powering accessories
  • Battery isolators prevent a battery with a higher charge from draining into a battery with a lower charge
  • Ensures your accessories won't drain your starting battery
  • Allows for both batteries to be charged simultaneously from one source
  • Electronic components are embedded for protection from contamination and vibration
  • Integral heat sink provides efficient heat dissipation
  • More battery management products available
Item#:
77056
Manufacturer Item:
48122
Manufacturer:
Cole Hersee By Littelfuse
Min. Order Qty:
1
Avail #:
9
 
RoHS Compliant
REACH Compliant
1+
79.3300
4+
71.3900
10+
63.4600
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #122
  • Fully solid state
  • 25 amps
  • 3 studs, 6mm
  • Mounting holes: 2 holes at .210"
Item#:
80045
Manufacturer Item:
122
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
34
1+
30.9200
10+
28.7500
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #702
  • Fully solid state
  • 70 amps
  • 3 studs, 6mm
  • Mounting holes: 4 holes at .210"
Item#:
80046
Manufacturer Item:
702
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
50
1+
27.8100
10+
25.8600
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #703
  • Fully solid state
  • 70 amps
  • 4 studs, 6mm
  • Mounting holes: 4 holes at .210"
Item#:
80047
Manufacturer Item:
703
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
6
1+
41.7400
10+
38.8100
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #952
  • Fully solid state
  • 95 amps
  • 3 studs, 6mm
  • Mounting holes: 4 holes at .210"
Item#:
80050
Manufacturer Item:
952
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
9
1+
34.6800
10+
32.2500
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #1202
  • Fully solid state
  • 120 amps
  • 3 studs, 8mm
  • Mounting holes: 6 holes at .210"
Item#:
80051
Manufacturer Item:
1202
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
16
1+
50.5700
10+
47.0300
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #3002
  • Fully solid state
  • 300 amps
  • 3 studs, 1/2"
  • Mounting holes: 2 holes at .313"
Item#:
80061
Manufacturer Item:
3002
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
12
1+
447.7700
10+
416.4200
EACH
  • Sure Power battery isolators eliminate multi-battery drain when 2 or more battery banks are in a charging system
  • Allows each battery to charge according to its own needs
  • Prevents auxiliary power from draining the starter battery
  • Battery isolators make sure you are never stranded with a dead starter battery
  • Sure Power model #3003
  • Fully solid state
  • 300 amps
  • 4 studs, 1/2"
  • Mounting holes: 2 holes at .313"
Item#:
80062
Manufacturer Item:
3003
Manufacturer:
Cooper Bussmann Sure Power
Min. Order Qty:
1
Avail #:
11
1+
581.6500
10+
540.9300
EACH
1 - 12 of 21
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Need battery isolator accessories? From tin plated battery lugs designed to protect against corrosion to electrical disconnect switches engineered to cut off all electrical power and protect against electrical fires, theft and excessive battery drain, Waytek’s got all your battery isolator needs covered. Below are some additional battery isolator products to help you easily install and manage your battery isolator.

Battery Lugs
Eyelets
Battery Cables
Battery Boots
Disconnect Switches
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