Jacks In Stock | Shop New & Refurbished 
Shop by Aircraft

Menu

BatteryMINDer Ring Connectors - A2RT

Available for Order
Lead Time: Chat now or request quote
$39.71 /ea.
Qty
CofC and 8130 available at no cost
Worldwide shipping available
Ask Our Aviation Specialists
Live Chat | +1.252.585.4553 | Email

Need a Quote?

Use this form to get a quote by email today.
First Name:*
Last Name:*
Email:*
Company Name: (optional)
Questions/Comments: (optional)

BatteryMINDer A2RT - Ring Connectors

The BatteryMINDer A2RT Ring Connectors are designed to provide a secure and reliable connection between your battery and charger. These connectors are ideal for users seeking a permanent and robust connection solution for their battery maintenance setup.

Features & Benefits:

What's in the Box

Works with BatteryMINDer Model 28252-AA only.

General Information
Part #A2RT
ManufacturerBatteryMINDer

Customers also viewed

Laversab ARTS-7000
Avionics Radio Test System – Communications, Navigation, DME, ELT, ATC, ADS-B, TCAS, & More
ACF-50 ACF-50-13oz
Anti-Corrosion Lubricant - 13 OZ Aerosol Can
MK Test Systems XLR-9703-01
ExLRT Loop/Joint Tester for Select Boeing Aircraft
BatteryMINDer 128CEC2-AA-S3
for Odyssey Batteries and GILL® LT 7000 SERIES
BatteryMINDer A2GPU-1
Anderson SB-50 To Cessna-style

AIRCRAFT COMPATIBILITY

Compatible Aircraft*
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

PRODUCT REVIEWS

This item does not have any reviews yet.

QUESTIONS & ANSWERS

Question:
What are BatteryMINDer® A2RT Ring Connectors used for?
Answer:

A2RT Ring Connectors provide a permanent attachment point for battery charger or maintainer leads directly to aircraft or vehicle battery terminals. They eliminate the need to repeatedly clamp alligator clips to exposed posts, reducing wear on battery hardware and lowering the risk of accidental contact. These connectors simplify charging hookups and improve safety for routine maintenance.

Asked February 19, 2026
Question:
Why choose ring connectors over traditional clip-on leads?
Answer:

Ring connectors are installed on the battery once and left in place, which stops repeated mechanical stress on the terminal posts. This is especially valuable for aircraft or ground support equipment that frequently connects to chargers. The secure bolted connection offers a solid electrical path and reduces the risk of mis-clamping or dropped clips during service.

Asked February 19, 2026
Question:
Can A2RT Ring Connectors help protect aircraft electronics?
Answer:

Yes. By eliminating exposed clip jaws near sensitive wiring or avionics, ring connectors help reduce the risk of accidental shorts that can cause electrical spikes. Pairing them with proper fused harnesses and temperature-compensated chargers enhances overall electrical system safety. This is especially important in tightly packed engine bays or electrical compartments.

Asked February 19, 2026
Question:
Are these ring connectors compatible with all aviation batteries?
Answer:

The A2RT connectors are designed to fit most standard aircraft battery stud sizes used in 12V and 24V systems. However, verifying stud diameter and thread pitch against your battery’s specifications before installation ensures a proper fit. Compatibility with sealed, flooded, AGM, or gel batteries depends on the terminal design rather than battery chemistry.

Asked February 19, 2026
Question:
What tools are needed to install the ring connectors?
Answer:

Installation typically requires basic hand tools such as a wrench or socket of the correct size to remove the existing terminal nut and secure the ring lug. Care should be taken not to overtighten, as this can damage the battery post. A battery service manual or an A&P technician can recommend the proper torque values when available.

Asked February 19, 2026
Question:
How do ring connectors improve maintenance workflow?
Answer:

Once installed, ring connectors provide instant connection points that fasten directly to a maintainer harness or charger lead with a thumbscrew or bolt. This allows maintenance staff to quickly connect a charger without fumbling with clips or risking slips. In fleet or hangar settings where batteries are serviced often, this convenience saves time and improves consistency.

Asked February 19, 2026
Question:
Do A2RT Ring Connectors require special maintenance?
Answer:

Regular inspection for corrosion or loose connections helps ensure optimal performance. Cleaning the ring and terminal surfaces with an appropriate battery contact cleaner and ensuring the fasteners remain snug helps avoid voltage drop or poor electrical contact. Periodic checkups align with broader aviation battery servicing routines.

Asked February 19, 2026
Question:
Can ring connectors be used with quick-disconnect systems?
Answer:

Yes, A2RT connectors can interface with quick-connect harnesses or adapters that use bolt-on terminations. This allows integration into airframe interface kits or semi-permanent charging harnesses, creating a professional aircraft battery servicing solution. Choosing properly rated interface components ensures electrical compatibility and safety.

Asked February 19, 2026
Question:
Do the ring connectors affect battery warranty?
Answer:

Installing ring connectors on battery terminals typically does not affect the battery’s internal warranty, as they replace existing hardware rather than modifying internal components. However, following the battery manufacturer’s installation and torque recommendations helps ensure compliance with warranty expectations. Always retain documentation of installation practices for record-keeping.

Asked February 19, 2026
Question:
Are these connectors suitable for road-vehicle or marine battery systems?
Answer:

Yes, A2RT Ring Connectors are suitable for any 12V or 24V lead-acid battery system with compatible stud terminals, including aviation, automotive, marine, and power equipment applications. Their ability to create a stable electrical interface makes them useful wherever repeated charging or maintenance connections are needed. Just be sure to pair them with appropriately rated wiring and fusing for the intended environment.

Asked February 19, 2026