Found the same price or less? Contact us and we'll beat it.
Authorized BigBattery Dealer
Easy 30-Day Returns
Friendly Expert Support
When building a dependable energy storage setup, communication between batteries is just as important as the batteries themselves. The BigBattery ETHOS Parallel Comm Cable is designed to ensure seamless communication across parallel-connected battery systems, helping your power storage operate as a single, coordinated unit. Whether you are powering a home backup system, an RV energy setup, or an off-grid cabin, this cable plays a critical role in maintaining system stability, efficiency, and intelligent load balancing.
Instead of dealing with inconsistent battery behavior or inefficient charge distribution, this communication cable allows your ETHOS batteries to “talk” to each other in real time. The result is smoother performance, improved battery lifespan, and a more reliable energy experience that you can count on when it matters most.
This cable allows ETHOS batteries to share real time data so they work together as one system. It improves stability, prevents imbalance, and helps your batteries charge and discharge evenly. This is important for home backup, RV setups, and off-grid energy systems that need steady reliable performance every day.
The 4.9ft 1500mm length gives the right balance between reach and neat installation. It helps you connect batteries without excess slack or messy wiring. This makes your system easier to manage inside power cabinets, RV compartments, or off-grid setups while keeping everything safe organized and simple to maintain over time.
This cable uses a comm to comm connection designed specifically for ETHOS systems. It ensures strong and stable signal transfer between batteries. This reduces communication errors and keeps your system running smoothly. You get better accuracy in how batteries share information which supports stable and dependable energy performance overall daily use.
By enabling communication between batteries, this cable helps distribute charging and discharging evenly across the system. This reduces stress on individual batteries and prevents uneven wear. As a result, your energy storage system lasts longer and performs better whether used in homes, RV travel, or off-grid power applications consistently.
The cable is designed for simple installation with no complicated steps required. You just connect it between compatible ETHOS batteries and the system begins communicating automatically. This makes setup fast and easy for homeowners, RV users, and mobile workers who want reliable power without wasting time on complex wiring jobs.
With proper communication in place, batteries can share load information and manage energy more efficiently. This leads to smoother power delivery and less wasted energy. Your system runs more effectively when powering appliances in homes, RVs, or remote locations where stable energy flow is important for daily operation needs.
This cable is built specifically for ETHOS battery systems, ensuring full compatibility and dependable performance. It prevents connection issues that can happen with generic cables. With proper matching design, your system stays stable and efficient over time, giving you confidence in your home, RV, or off-grid energy setup long term.
Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.
Shipping times vary depending on your location and the product or products ordered.
Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.
After order processing is complete, you will receive tracking information to monitor your order while it is in transit.
Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.
Please refer to the product page for your item and reference the estimated delivery time frame for more details.
Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.
Everything on our store ships for free. Really!
Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.
Everything sold on our website is brand-new.
No — we price BEAT! Please refer to our Price Beat Promise for full details.
placeholder
