Product Details
- 01 Four-way connection layout
Multiple compatible conductors can terminate at one battery post through clearly defined connection points, supporting a cleaner cable arrangement than uncontrolled lug stacking. - 02 Quick-release clamp mechanism
The lever architecture supports battery disconnection for service while leaving the branch-cable positions assembled. It is not a load-rated battery disconnect switch and should not be operated under load unless specifically approved. - 03 Tinned copper terminal bodies
Tinned copper supports conductive performance and improved oxidation resistance. Final suitability still depends on the battery post, cable interface and installation environment.
Specifications
| Model | BT-31 |
| Product Type | Four-Way Quick-Release Battery Terminal Connector Set |
| Configuration | Positive and Negative Pair |
| Connection Count | 4 Way |
| Battery Compatibility | SAE/JIS Type A |
| Published Material | Tinned Copper |
| Release Method | Lever-Operated Quick-Release Clamp |
| Mounting | Direct to Compatible Tapered Battery Posts |
| Fuse Protection | Not Included |
Selection note: Treat the terminal, cable, lug, fastener, insulation and circuit-protection arrangement as one system. Verify the controlled drawing and approved technical data before sampling or production.
Compare Models
Compare connection architecture before comparing dimensions. These models serve different functions and are not automatically interchangeable.
| Model | Product Type | Mounting | Connection Architecture |
|---|---|---|---|
| BT-02 | Multi-cable battery terminal pair | Direct to tapered battery posts | Multiple cable entries |
| BT-06 | Battery terminal with visible status feature | Direct to battery post | Multi-cable terminal |
| BT-18 | Covered four-outlet battery terminal pair | Direct to tapered battery posts | Four cable outlets |
| BT-31 Current Product |
Quick-release four-way terminal pair | Direct to SAE/JIS Type A posts | Four connection points |
| BT-34-KIT | Low-profile M8 distribution-block pair | Direct at battery / compact mounting | Positive + negative M8 blocks |
| BT-21 | 12-way multi-connection terminal | Direct to tapered battery post | 6 cable entries + 6 studs |
Use a direct terminal or adapter when the connection starts at the battery. Use a remote post when the battery connection must be brought to an accessible panel or service point.
Applications

Fleet and service vehicles
Allow planned battery removal or service without dismantling every accessory cable connection.

RV and marine auxiliary wiring
Organize compatible battery-connected circuits where inspection and periodic maintenance are required.
Aftermarket replacement programs
Provide a corrosion-resistant terminal-pair option for worn or damaged compatible top-post terminals.
Application examples describe potential use cases, not verified fitment to a particular vehicle. Confirm polarity, cable size, protection, mounting space, environmental exposure and the approved service procedure before installation.
Technical information for BT-31
Contact DAIERTEK for the controlled dimension drawing, installation interface, material information, available compliance documentation and sample support. Include the model number, battery or panel interface, cable schedule and target application so the enquiry can be routed correctly.
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