---
product_id: 263530830
title: "Tecmate OptiMATE Cable O-11, Weatherproof Battery Lead, Heavy Duty/Auto/Marine"
brand: "optimate"
price: "$77.36"
currency: USD
in_stock: true
reviews_count: 5
category: "Opti Mate"
url: https://www.desertcart.ec/products/263530830-tecmate-optimate-cable-o-11-weatherproof-battery-lead-heavy-duty
store_origin: EC
region: Ecuador
---

# Heavy-duty dual ring terminals M8/M10 Flexible cable from -40°C to 60°C Weatherproof SAE connector with seal & cap Tecmate OptiMATE Cable O-11, Weatherproof Battery Lead, Heavy Duty/Auto/Marine

**Brand:** optimate
**Price:** $77.36
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up with confidence—weatherproof, heavy-duty, and ready for any adventure!

## Quick Answers

- **What is this?** Tecmate OptiMATE Cable O-11, Weatherproof Battery Lead, Heavy Duty/Auto/Marine by optimate
- **How much does it cost?** $77.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/263530830-tecmate-optimate-cable-o-11-weatherproof-battery-lead-heavy-duty)

## Best For

- optimate enthusiasts

## Why This Product

- Trusted optimate brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Inline 15A fuse guards against short circuits, protecting your vehicle and gear effortlessly.
- • **Unmatched Durability:** Dual ring tech fits perfectly on automotive battery terminals for a rock-solid connection.
- • **Seamless Installation:** Secure Ziptie slits ensure a tidy, unobtrusive fit on any vehicle or marine battery setup.
- • **Weatherproof Confidence:** Custom SAE connector with snug seal and cap keeps dirt and water out—rain or shine, your power stays secure.
- • **Extreme Temperature Flexibility:** Cable stays flexible and reliable from freezing -40°C to scorching 60°C—no more brittle cables in winter.

## Overview

The Tecmate OptiMATE Cable O-11 is a universal-fit, weather-resistant battery lead designed for automotive and marine use. Featuring dual ring terminals (M8/M10), a sealed SAE connector, and a flexible cable rated from -40°C to 60°C, it ensures a durable, secure connection in all conditions. An inline 15A fuse adds essential short circuit protection, while Ziptie slits provide easy, neat installation. Trusted by over 1,000 users with a 4.7-star rating, this cable is a top choice for reliable battery maintenance and charging.

## Description

Robust, durable, weather-resistant connection with your car and boat battery

Review: Utile
Review: Excellent

## Features

- Easy access to fixed SAE power port.; DUAL RING TECHNOLOGY M8 (5/16″) / M10 (3/8″) ringlets that perfectly fit to automotive battery terminals.
- Custom designed, SAE connector with snug weatherproof seal and cap – Keeps out dirt and water!; SECURE Ziptie slits allow easy & secure fastening to vehicle. Provides a nice unobtrusive plugin.
- Cable rated for use from 60°C / 140°F down to -40°C/-40°F – Remains Flexible below freezing!
- Inline 15A fuse protects against potential short circuits.
- Fit type: Universal Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008S9LEU0 |
| Best Sellers Rank | #26,020 in Electronics ( See Top 100 in Electronics ) #6 in Car Amplifier Battery Wiring & Terminals |
| Brand | OptiMate |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,021) |
| Date First Available | 8 December 2012 |
| Item Weight | 63.5 g |
| Item model number | O-11 |
| Manufacturer | TecMate |
| Manufacturer Part Number | O-11 |
| Model | Tecmate Replacement Charger Eyelet Connector |
| Product Dimensions | 30.48 x 12.7 x 9.14 cm; 63.5 g |
| Special Features | Heat Resistant, Waterproof |
| Voltage | 12 Volts |

## Product Details

- **Brand:** OptiMate
- **Cable type:** AUX
- **Compatible devices:** Automotive battery, Marine battery, Other device 12V
- **Connector type:** SAE
- **Special features:** Heat Resistant, Waterproof

## Images

![Tecmate OptiMATE Cable O-11, Weatherproof Battery Lead, Heavy Duty/Auto/Marine - Image 1](https://m.media-amazon.com/images/I/614XrdJm-NL.jpg)

## Questions & Answers

**Q: How long is the cable?**
A: The picture of the box shows that the cable is 20" between the SAE plug and the fuse.  You have to magnify the picture to see it.

**Q: Just how long is the lead? From pic it's short, described as only 15".**
A: 15" is the "wire length" from the fuse holder to the plug - total length end-to-end (including plug and terminals) is 23-1/2".

**Q: can I put a lower amp fuse into this?**
A: Yes

**Q: Ok to use on Vespa gt200?**
A: No problem. It will work fine.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***I on 31 December 2025*

Utile

### ⭐⭐⭐⭐⭐ Review
*by M***E on 11 November 2025*

Excellent

### ⭐⭐⭐⭐⭐ Review
*by や***ち on 25 December 2025*

バッテリー充電頻度が高い方は購入お勧めです。 常時バッテリーに配線を接続しておいて充電時にコネクタに繋ぐだけ！

## Frequently Bought Together

- OptiMate O11 SAE Weatherproof M8 Eyelet Lead
- OptiMate 1 Duo 12V Lithium and Lead Acid Motorcycle Automatic Battery Charger Maintainer

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**Shop now:** [https://www.desertcart.ec/products/263530830-tecmate-optimate-cable-o-11-weatherproof-battery-lead-heavy-duty](https://www.desertcart.ec/products/263530830-tecmate-optimate-cable-o-11-weatherproof-battery-lead-heavy-duty)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-06*