---
product_id: 275912500
title: "TECMATE 3-2, 12V OptiMATE 3 Dual bank, TM-451, 7-step 2x12V 0.8A sealed battery saving charger & maintainer"
brand: "optimate"
price: "€ 168.29"
currency: EUR
in_stock: true
reviews_count: 5
category: "Opti Mate"
url: https://www.desertcart.ie/products/275912500-tecmate-3-2-12v-optimate-3-dual-bank-tm-451
store_origin: IE
region: Ireland
---

# 7-step smart charging program Dual 12V battery charging Fully sealed, weatherproof case TECMATE 3-2, 12V OptiMATE 3 Dual bank, TM-451, 7-step 2x12V 0.8A sealed battery saving charger & maintainer

**Brand:** optimate
**Price:** € 168.29
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up smarter: The ultimate dual-battery charger for pros who never settle.

## Quick Answers

- **What is this?** TECMATE 3-2, 12V OptiMATE 3 Dual bank, TM-451, 7-step 2x12V 0.8A sealed battery saving charger & maintainer by optimate
- **How much does it cost?** € 168.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/275912500-tecmate-3-2-12v-optimate-3-dual-bank-tm-451)

## 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

- • **Safe & Fully Automatic:** Connect and forget—auto stops on faults, prevents overcharging, and protects electronics.
- • **Extend Battery Lifespan:** 24/7 maintenance mode prevents discharge and keeps your batteries ready to perform.
- • **Trusted by Industry Leaders:** Endorsed by Honda, Yamaha, KTM & top battery brands for unmatched reliability.
- • **7-Step Intelligent Charging Cycle:** From low voltage recovery to maintenance—optimized for every battery stage.
- • **Charge Two Batteries Independently:** Simultaneously test, charge & maintain dual 12V batteries with zero hassle.

## Overview

The TECMATE OptiMATE 3-2 TM-451 is a premium dual-bank 12V battery charger and maintainer designed for motorcycles, ATVs, and personal watercraft. Featuring a 7-step smart charging program, it independently diagnoses, recovers, charges, tests, and maintains two batteries simultaneously. Its fully sealed, weatherproof design ensures durability, while automatic safety features protect your vehicle’s electronics. Trusted worldwide and recommended by leading motorcycle and battery manufacturers, it guarantees longer battery life and hassle-free maintenance.

## Description

The most TRUSTED battery charger in power sports in a 2-bank version. OptiMate 3x2 the all-in-one tool for 2x12V batteries care at home, diagnoses, recovers, charges, tests & maintains, automatically! Program steps for each independent charging bank - STEP1: Low Volt Start (2V). STEP2: Turbo SAVE. STEP3: Pulse SAVE. STEP4: Controlled CHARGE. STEP5: OPTIMIZE. Step 6: TEST after CHARGE. Step 7: OptiMate maintenance. OptiMate 3 x 2 retains all easy-to-use characteristics of the over 2 million OptiMates produced since 1995, but is now lighter and more efficient than ever and it cares for 2 batteries simultaneously and independently. The OptiMate 3 x 2 recovers sulphated batteries and then tests after charging. The maintenance program delivers only what the battery needs, never overcharges, never undercharges. SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected. 3-year replacement .

Review: Ottimo prodotto ne avevo già un' altro cosi l ho acquistato fiducioso che vada bene e così è stato
Review: Nobody makes better battery chargers than OptiMate.

## Features

- 𝗧𝗛𝗘 𝗠𝗢𝗦𝗧 𝗣𝗢𝗣𝗨𝗟𝗔𝗥 𝗠𝗢𝗧𝗢𝗥𝗖𝗬𝗖𝗟𝗘 𝗖𝗛𝗔𝗥𝗚𝗘𝗥 𝗪𝗢𝗥𝗟𝗗-𝗪𝗜𝗗𝗘 - Works for your motorcycle, ATV, Side by Side or personal watercraft.
- 𝗜𝗡𝗗𝗘𝗣𝗘𝗡𝗗𝗘𝗡𝗧𝗟𝗬 𝗖𝗛𝗔𝗥𝗚𝗘 𝗧𝗪𝗢 𝗕𝗔𝗧𝗧𝗘𝗥𝗜𝗘𝗦 - Test, charge and maintain two batteries at different levels and stages.
- 𝗚𝗘𝗧 𝗬𝗢𝗨𝗥 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗧𝗢 𝗪𝗢𝗥𝗞 - Saves your 12V battery (AGM, GEL, STD, Starter, Deep Cycle) when no other charger will work. If Optimate can't save it, nothing will.
- 𝗙𝗨𝗟𝗟𝗬 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗖 - Connect and forget, no more battery problems. Continuous charging if healthy, stops and warns if faulty.
- 𝗟𝗢𝗡𝗚𝗘𝗥 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗟𝗜𝗙𝗘 - Provides 24/7 protection by preventing discharge from connected circuitry and guarantees more battery power.
- 𝗦𝗔𝗩𝗘𝗦 𝗔𝗡𝗗 𝗧𝗘𝗦𝗧𝗦 𝗬𝗢𝗨𝗥 𝗙𝗟𝗔𝗧 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 - Tests automatically and indicates if there is a battery problem.
- 𝗛𝗜𝗚𝗛𝗟𝗬 𝗥𝗘𝗣𝗨𝗧𝗔𝗕𝗟𝗘 𝗖𝗛𝗔𝗥𝗚𝗘𝗥 - OptiMate is recommended by Honda, Yamaha, Kawasaki, KTM and Husqvarna and global battery manufacturers Antigravity, Super-B and Earth-X.
- 𝗛𝗜𝗚𝗛𝗟𝗬 𝗗𝗨𝗥𝗔𝗕𝗟𝗘 - Fully sealed case to protect against spillage and light rain.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00KBTQFVS |
| Best Sellers Rank | #23,082 in Automotive ( See Top 100 in Automotive ) #76 in Battery Chargers |
| Item model number | TM-451 |
| Manufacturer | OptiMate |
| Product Dimensions | 25.4 x 3.43 x 17.78 cm; 612.35 g |

## Product Details

- **Brand:** OptiMate
- **Colour:** Blue
- **Item weight:** 612 g
- **Output voltage:** 12 Volts (DC)
- **Specification met:** {certifications=[CE, NRTL (UL & CSA), SAA (AU & NZ), PSE (Japan), IP54]}

## Images

![TECMATE 3-2, 12V OptiMATE 3 Dual bank, TM-451, 7-step 2x12V 0.8A sealed battery saving charger & maintainer - Image 1](https://m.media-amazon.com/images/I/81LxyiX6RwL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***A on 31 March 2025*

Ottimo prodotto ne avevo già un' altro cosi l ho acquistato fiducioso che vada bene e così è stato

### ⭐⭐⭐⭐⭐ Review
*by K***E on 1 December 2025*

Nobody makes better battery chargers than OptiMate.

### ⭐ Review
*by H***L on 16 November 2025*

Leider mit UK drei pin Stecker. Nicht ohne Adapter zu gebrauchen!

## Frequently Bought Together

- Optimate 3 Dual Bank, TM-451, 7-Step 2x12V 0.8A Sealed Battery Saving Charger & maintainer
- OptiMATE CABLE O-03, Extender, power sport, 6ft/180cm, OptiMATE EXTENDER: 6ft,
- Optimate cable O-01, ring terminal harness, powersport

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-28*