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Item #:
100396958
Bussmann (RB-BI-120A) 120 Amp Battery Isolator
Item #:
100396958
GBP 103
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
Order now and get it around Wednesday, July 08
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A battery isolator enables each battery to act as an independent power source so that the main battery can conserve power even if the auxiliary battery is fully discharged.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Amperage
The 120 Amp capacity efficiently manages power flow, making it ideal for high-performance vehicles and marine applications, ensuring reliability during demanding operations.
Compact Design
The compact and lightweight design enables easy installation in tight spaces, providing flexibility for users and maximizing vehicle or boat interior space.
Enhanced Durability
Constructed with high-quality materials, this battery isolator offers exceptional resistance to harsh conditions, ensuring long-lasting performance and reducing maintenance needs for users.
Product Details
| Item Weight | 1.3 lbs (590 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Heavy-Duty Vehicles
Ideal for trucks and buses needing reliable battery management for multiple battery systems under high load.
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Marine Applications
Perfect for boats requiring efficient battery isolators to protect against corrosion and manage dual battery systems.
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Off-Road Enthusiasts
Great for off-road vehicles needing a robust isolator to manage power demands in rugged conditions.
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Light-Duty Cars
Not suitable for standard cars that typically don’t require high-amp battery isolators for operation.
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Casual Users
Less ideal for individuals who may not need the robust features offered by a high-amp isolator.
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Budget-Conscious Buyers
Not the best choice for those looking for a cost-effective solution without high amperage requirements.
Product Description
Bussmann (RB-BI-120A) 120 Amp Battery Isolator
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Customer Questions & Answers
-
Question:
What is a battery isolator?
Answer: It is a device that prevents current from flowing between batteries to eliminate battery drain. -
Question:
How does a battery isolator benefit my vehicle?
Answer: It allows each battery to operate independently, conserving power in the main battery even if the auxiliary battery is discharged. -
Question:
Who manufactures battery isolators?
Answer: Battery isolators are designed by Sure Power, known for exceeding original equipment manufacturer specifications.
Bussmann Batteries Editorial Review
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Pros
- High current handling capacity
- Compact and lightweight design
- Durable construction materials
- Easy installation process
- Enhances battery lifespan
Cons
- Limited instruction clarity
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GBP 103
Order now and get it around Wednesday, July 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Fastest cross-border delivery
Features & Benefits
- Prevents battery drain by acting as a check valve.
- Allows batteries to function as independent power sources.
- Conserves the main battery's power effectively.
- Prioritizes charging to ensure the main battery is always full.
- Designed by Sure Power, a leader in battery isolators.
- Exceeds OEM specifications for superior performance.