300Ah LiFePO4 Copper Busbar Connector – 74mm Pitch, 400A
300Ah LiFePO4 Copper Busbar Connector – 74mm Pitch, 400A
300Ah LiFePO4 Copper Busbar Connector – 74mm Pitch | Model TUR-BZ-74620
Upgrade your lithium iron phosphate battery pack with this precision-engineered copper busbar connector, purpose-built for 280Ah–320Ah LiFePO4 battery cells. Featuring a 74mm center-to-center hole pitch and a generous 400A working current rating, this connector delivers low-resistance, high-conductivity cell-to-cell connections for DIY battery builders, solar energy storage systems, and EV conversions.
Made from high-purity copper, it ensures excellent electrical conductivity, minimal heat generation, and long-lasting durability — giving your battery bank the reliable interconnection it needs to perform at its best.
Key Specifications
- Model: TUR-BZ-74620
- Dimensions (L × W): 96mm × 20mm
- Hole Diameter: 6mm
- Hole-to-Hole (center) Pitch: 74mm
- Thickness: 2mm / 4mm
- Adapter Screw: M6
- Working Current: 400A
- Compatible Batteries: 3.2V 280Ah, 302Ah, 310Ah, 320Ah LiFePO4 (Lithium Iron Phosphate) cells
- Material: High-purity copper
- Country of Origin: Made in China
What's in the Box
- 1 × Battery Cell Copper Busbar Connector
Note: Battery, screws, and nuts are NOT included.
Why Choose This Copper Busbar?
- ✅ High-Purity Copper – Superior conductivity for efficient power transfer
- ✅ 400A Rated Working Current – Handles high-capacity battery configurations with ease
- ✅ Precision 74mm Pitch – Exact fit for 280Ah–320Ah LiFePO4 prismatic cells
- ✅ M6 Compatible – Standard screw size for easy assembly
- ✅ Available in 2mm & 4mm Thickness – Choose the gauge that suits your build requirements
- ✅ Versatile Application – Ideal for solar off-grid systems, home energy storage, RV/marine battery banks, and DIY EV packs
Compatible Applications
This copper busbar connector is designed for use with 3.2V prismatic LiFePO4 cells in series or parallel configurations. Whether you're building a 12V, 24V, or 48V battery bank, this connector provides the reliable, low-resistance link your cells need.
Looking to build out your full battery system? Check out related accessories in our store:
- 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel – Perfect for tightening M6 battery terminal bolts.
- 10-Pc Hex Nut & Bolt Extractor Kit 9–19mm | HIP Tools – Handy for battery assembly and maintenance tasks.
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Frequently Asked Questions
Q: What battery cells is this copper busbar connector compatible with?
A: This busbar connector is specifically designed for 3.2V LiFePO4 (lithium iron phosphate) prismatic cells with capacities of 280Ah, 302Ah, 310Ah, and 320Ah. The 74mm center-to-center hole pitch matches the terminal spacing of these popular cell formats.
Q: Does this connector come with screws or nuts?
A: No — the package includes only the copper busbar connector itself. Batteries, M6 screws, and nuts are sold separately. Please ensure you source the appropriate M6 hardware for your assembly.
Q: What thickness should I choose — 2mm or 4mm?
A: The 4mm thickness offers higher current-carrying capacity and greater rigidity, making it ideal for high-drain or high-capacity battery builds. The 2mm version is suitable for lighter-duty setups or where weight savings are important. Both are rated for a 400A working current in this application.
Q: Can I use this connector for a 48V battery bank?
A: Yes. This connector is used to link individual cells together, so it works for any voltage configuration — 12V, 24V, 48V, or higher — as long as you are using compatible 280Ah–320Ah LiFePO4 prismatic cells with a 74mm terminal pitch.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.