Limitless Lithium 500A Isolation Relay for Dual Battery Systems
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
- Contact Rating — 500A
- Cycle Life — 100,000 mechanical cycles
- Housing — Water-resistant black phenolic
- Function — Isolates lithium from other chemistries
- Trigger — Ignition-activated
This Listing Includes: (1) Limitless Lithium 500A Isolation Relay for Dual Battery Systems
The Limitless Lithium 500A Isolation Relay is an efficient, reliable way to add a secondary battery: it keeps battery banks separated while the ignition is off to prevent drain, and connects them when the key is on. Rated 500A with a 100,000-cycle mechanical life in a water-resistant phenolic housing. In stock and shipping free from JS Ultimate Sounds — your authorized Limitless Lithium dealer.
Features
- 500A contact rating
- 100,000-cycle mechanical life
- Water-resistant phenolic housing
- Prevents key-off system drain
- Compatible with all alternators & charging systems
Specifications
| Contact Rating | 500A |
| Mechanical Cycle Life | 100,000 |
| Housing | Water-resistant black phenolic |
