The LiftMaster K94-36274-1 is a genuine replacement battery wire harness kit for select LA400 and LA500 swing gate operators using 7Ah backup batteries. It connects the backup battery circuit to the gate operator’s control system using the connector style and battery layout specified for the compatible model. The harness supports battery connection, charging and backup power operation. Pre-terminated connectors simplify installation when replacing the original harness.
This replacement harness can address damaged terminals, corrosion, loose battery plugs or broken wire insulation in the existing battery wiring. A weak battery connection can contribute to low-battery messages, unreliable operation during outages or intermittent power issues. Before ordering, check the operator’s manual or replacement parts diagram and match the original part number, battery size and connector style. Install the replacement along the original routing and connection points, protecting the wiring from pinch points, moving components and sharp enclosure edges.
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Compatible with:
- LiftMaster LA400 Gate Openers
- LiftMaster LA500 Gate Openers
- Genuine LiftMaster OEM replacement battery wire harness
- Designed for compatible LA400 and LA500 swing gate operators
- Compatible with specified 7Ah sealed lead-acid batteries
- Connects the backup battery circuit to the gate operator’s control system
- Supports battery charging and discharge connections
- Pre-terminated connectors simplify installation
Gate Crafters has the resources you need.
How do you use your gate opener system once you get it? Gate Crafters is the only retailer to give a real answer to this question. We have develop videos for installing many of our gate openers and products and write DIY focused manuals for most gate openers and have individual instructions for each accessory to be installed with each gate opener.
| Manufacturer |
LiftMaster |
| Part Number |
K94-36274-1 |
| Product Type |
7Ah battery wire harness |
| Application |
Battery backup wiring and DC charging circuit for compatible LA400 and LA500 swing gate control boxes |
| Compatible Operator Type |
Linear actuator swing gate operators |
| Battery Compatibility |
7Ah sealed lead-acid batteries where specified by the operator parts diagram |
| Connection Requirements |
Polarity and connector layout must match the original harness |
| Installation |
Follow the original harness routing and connection points |
- LiftMaster K94-36274-1 Battery Wire Harness
For over a decade, Gate Crafters has been the premier online retailer of gate openers and accessories. With our extensive technical and installation expertise, we are authorized to serve the DIY market. We believe customers should have the opportunity to take pride in their projects, whether installing or troubleshooting a gate opener. Everyone deserves the option to enjoy high-quality products without the need to hire help.
At Gate Crafters, we empower you to install confidently by providing access to our trained technical staff seven days a week from 9 AM to 9 PM EST. By choosing to DIY your gate opener system, you can save thousands of dollars over its lifetime while gaining valuable knowledge about your installation and how the system operates. This understanding will make it easier to troubleshoot any issues and perform routine maintenance in the future.
Gate Crafters is the DIY factor.
Gate Crafters further adds to most of our gate openers for easier DIY installation. We have developed exclusive components (example: easy adjustable mounting brackets), customized instructions, and offer a full spectrum of accessories to truly cover all aspects of the installation of your gate opener. In addition we have the largest staff of factory trained technicians in the US.
- Order specific customized accessory wiring instructions
- 360 degree accessories - we can take you through exit, entry, safety, power, and all other minute details to create a fully rounded kit.
- Free 24/7/365 Installation Support
- Free 7 day/week Technical Support
- Largest Number of Certified Techs in America
- Free assistance to find the right gate opener for your gate
- Free systems design assistance to match the right accessories to fit your needs.
- Extremely competitive pricing
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- We stock replacement parts
- Many brands of many types of accessories, enough to handle just about any operational situation you can imagine
Gate Crafters has actual experience.
We have a testing area, we have factory and internal training courses, we build gates and have our own gates that are automated, we attended all industry trade shows in multiple countries and are a member of the AFA, and we pay visits to our chosen manufacturers' factories. All these factors are what have lead to us having so many exclusive additions. When you see and actually use as many products as we have you tend to have many ideas for minor changes that have major impacts. We acted on these ideas and have utilized them to help thousands of customers automate their gates.
