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โก Stay powered, stay unstoppable โ the ultimate dual battery isolator for pros who demand more.
The Stinger SGP35 is a high-current 12V dual battery isolator and relay designed for professional-grade automotive audio and accessory systems. Featuring a robust 500A continuous current rating, water-resistant phenolic plastic construction, and an impressive 100,000 mechanical cycle lifespan, it ensures reliable power management and battery isolation across all vehicle types and charging systems. Ideal for marine, off-road, and powersports applications, it prevents primary battery drain while delivering surge-proof performance.






























| ASIN | B004WDPZEW |
| Best Sellers Rank | #30,740 in Automotive ( See Top 100 in Automotive ) #312 in Automotive Switches & Relays #6,184 in Automotive Tools & Equipment |
| Brand | STINGER |
| Brand Name | STINGER |
| Coil Voltage | 12 volts |
| Connector Type | Screw |
| Contact Current Rating | 500 A |
| Contact Material | Copper |
| Contact Type | Electromechanical |
| Current Rating | 500 A |
| Customer Reviews | 4.6 out of 5 stars 678 Reviews |
| Global Trade Identification Number | 00609098800365 |
| Included Components | product, manual |
| Item Highlight | Universal compatibility, 100k mechanical cycle life, water-resistant design for marine or powersports stereos & accessories |
| Item Type Name | relay |
| Item Weight | 1.7 pounds |
| Manufacturer | Stinger |
| Minimum Switching Voltage | 12 volts_of_direct_current |
| Model | SGP35 |
| Mounting Type | Socket Mount |
| Number of Items | 1 |
| Number of Terminals | 2 |
| Operation Mode | Automatic |
| Part Number | SGP35 |
| UPC | 609098797771 609098800365 |
| Unit Count | 1 count |
| Warranty Description | 1 year |
| Wattage | 6000 watts |
A**N
Nice
Nice to have
F**4
Rated for constant duty
Use this with my 12K winch on my Jeep JLU. Wired to a factory auxiliary switch it offers an extra level of protection and eliminates a high amperage hot wire running though the engine compartment to the front bumper. I bought this brand based on positive reviews and was going to go cheap on an item that could cause a fire if it failed.
J**.
Works as intended
Bought this to wire my jeeps winch up to my voswitch panel so I can turn my winch on and off with my switch panel. Works great, went with the higher amperage one because winches under high load can pull 400+ amps. Plus I donโt like having a constant positive wire running through my jeep incase of wire rubbing or a fender bender causing a short. Easy to install and wire up if you have a basic knowledge of wiring. Will buy again
R**R
Great Product
Great Product
A**S
Good
Very good
K**.
My bus hasn't burned down yet!
This replaced a relay in my transit bus that appears to have been replaced with a starter relay that was melting and in the process of having a rather unfavorable outcome. This relay hasn't gotten hot at all, and doesn't fail. My use case is all the aux power items (AC, lights, etc) on a 09 e450 transit bus
K**G
works
I hooked up a battery to the small terminals for 24 hrs and its drawing less than 1/2 amp. Wanted to make sure it could withstand constitution use before I installed. Using it to power electric over hydraulic pump for my truck so it shuts power to the large cable going back to the pump. So far good.
M**I
Looks good
Looks great and is heavier than the cheep Chinese relay that failed after a month. Slightly disappointed that this relay is still made in China. Amazon got this relay to me the next day which was very helpful! I will update how it holds up and see if the price tag promises quality.
B**Z
Excelente calidad
Excelente relay para conectar 2 pilas
C**N
Five Stars
good service and good product
B**H
Stringer battery isolator 500A
Fast shiipping , good quality
M**S
Great product, safely isolate electrical loads
I used this as a relay to power up my electric winch on my 4x4. Works great. Would recommend.
S**S
Sal
Installed work perfectly ๐
Trustpilot
2 months ago
2 weeks ago