Description
Key Benefits
- Handles up to 500 Amps for robust battery combining.
- Includes positive and negative bus bars with 3/8 inch studs for secure connections.
- Copper bus bars can be drilled for additional mounting points.
- Durable powder-coated steel enclosure rated Type 1 for indoor use.
- ETL listed to UL 1741 standards for US and Canada safety compliance.
- Multiple knockouts simplify cable entry and conduit connections.
- Backed by a 5-year limited warranty for reliable performance.
Best Uses
Tech Specs
| Spec | Value |
|---|---|
| Product Name | MNBCB 500/50 |
| Type | Battery Combiner Box with Shunt |
| Shunt | 500A / 50mV |
| Battery Inputs | 3 |
| Max DC Voltage | 150VDC |
| Material | Powder-coated steel |
| Monitoring Compatibility | MidNite Whiz Bang Jr., battery monitors |
| Certifications | ETL listed, UL 1741 (US & Canada) |
| Use Case | Battery combiner, shunt-based monitoring |
| Dimensions (H × W × D) | 14 × 8 × 4 inches |
| Weight | ~8 lbs |
Warranty
Important: Warranty support is valid in the U.S. and Canada.
More Info
The MNBCB 500/50 Battery Combiner from MidNite Solar is engineered to optimize lithium battery system performance and safety in indoor environments.
It features high-capacity 500A positive and negative bus bars with 3/8 inch studs, allowing secure and flexible cable connections.
The copper bus bars can be drilled to add mounting points for ring terminals, enhancing wiring versatility.
The enclosure is made of powder-coated steel with stainless steel hardware, providing a durable and clean installation with a Type 1 environmental rating.
A comprehensive set of knockouts, including combination 3/4″ & 1″ and 1-1/2″ & 2″ sizes, simplifies conduit and cable entry.
This combiner box is ETL listed to UL 1741 standards, ensuring compliance with safety regulations in both the US and Canada.
It supports monitoring with MidNite Whiz Bang Jr. and other battery monitors for effective system management.
With three battery inputs and a maximum DC voltage rating of 150VDC, it suits a variety of residential, commercial, and off-grid solar applications.
MidNite Solar is a trusted American manufacturer known for durable, installer-friendly renewable energy components that meet or exceed UL and NEC standards.





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