---
product_id: 79978609
title: "TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer"
brand: "tecmate"
price: "€ 103.68"
currency: EUR
in_stock: true
reviews_count: 8
category: "Tecmate"
url: https://www.desertcart.nl/products/79978609-tecmate-optimate-1-duo-tm-409-4-step-12v-12
store_origin: NL
region: Netherlands
---

# 4-step smart charging Dual lithium & lead-acid support 24/7 battery protection TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer

**Brand:** tecmate
**Price:** € 103.68
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up your ride, effortlessly and reliably!

## Quick Answers

- **What is this?** TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer by tecmate
- **How much does it cost?** € 103.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/79978609-tecmate-optimate-1-duo-tm-409-4-step-12v-12)

## Best For

- tecmate enthusiasts

## Why This Product

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

## Key Features

- • **Battery Savior Mode:** Revives batteries others give up on—if Optimate can’t save it, nothing will.
- • **Durable & Compact Design:** Dustproof casing fits perfectly indoors, blending durability with sleek portability.
- • **Connect & Forget Charging:** Fully automatic 4-step process keeps your battery healthy without hassle.
- • **Trusted by Industry Leaders:** Endorsed by Honda, Yamaha, Kawasaki, KTM, and top battery brands for unmatched reliability.
- • **Universal Battery Compatibility:** Works seamlessly with lithium and all types of 12V lead-acid batteries including AGM, GEL, and deep cycle.

## Overview

The Tecmate Optimate 1 Duo TM-409 is a compact, fully automatic 4-step 12V/12.8V battery charger and maintainer delivering 0.6A output. It supports both lithium and lead-acid batteries, offering continuous 24/7 protection and advanced recovery for stubborn batteries. Trusted by major motorcycle brands and built with a dustproof case, it ensures longer battery life and hassle-free maintenance with a 3-year warranty.

## Description

Buy Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer: Battery Jumper Cables - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Optimate battery charger - Everything went smoothly and the product works like it should! Thanks, highly recommended!
Review: It works - Nice trickle charger, working great

## Features

- 𝗙𝗨𝗟𝗟𝗬 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗖 - Connect and forget, no more battery problems. Continuous charging if healthy, stops and warns if faulty.; DUO - Works with both lithium and lead-acid batteries.
- 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.
- 𝗟𝗢𝗡𝗚𝗘𝗥 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗟𝗜𝗙𝗘 - Provides 24/7 protection by preventing discharge from connected circuitry and guarantees more battery power
- 𝗛𝗜𝗚𝗛𝗟𝗬 𝗥𝗘𝗣𝗨𝗧𝗔𝗕𝗟𝗘 𝗖𝗛𝗔𝗥𝗚𝗘𝗥 - OptiMate is recommended by Honda, Yamaha, Kawasaki, KTM and Husqvarna and global battery manufacturers Antigravity, Super-B and Earth-X.
- 𝗗𝗨𝗥𝗔𝗕𝗟𝗘 – Dustproof case for indoor use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076JSXGBQ |
| Best Sellers Rank | #51,642 in Automotive ( See Top 100 in Automotive ) #277 in Battery Chargers |
| Brand | Tecmate |
| Built-In Media | Battery Charger |
| Current Rating | 0.6 Amps |
| Customer Reviews | 4.8 out of 5 stars 562 Reviews |
| Global Trade Identification Number | 05425006145657 |
| Input Voltage | 240 Volts |
| Item Dimensions D x W x H | 3.74"D x 2.36"W x 1.5"H |
| Item Height | 3.8 centimeters |
| Item Type Name | OptiMATE 1 DUO, TM-409, 4-step 12V / 12.8V 0.6A battery charger & maintainer |
| Item Weight | 1.22 Pounds |
| Manufacturer | TecMate |
| Mfr Part Number | TM-409 |
| Output Voltage | 12 Volts |
| Product Dimensions | 3.74"D x 2.36"W x 1.5"H |
| Specification Met | CEC |
| UPC | 644978440354 |
| Unit Count | 1.0 Count |
| Warranty Description | 3 Years |

## Product Details

- **Brand:** Tecmate
- **Product Dimensions:** 3.74"D x 2.36"W x 1.5"H
- **Item Weight:** 1.2 Pounds
- **Output Voltage:** 12 Volts
- **Specification Met:** CEC

## Images

![TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer - Image 1](https://m.media-amazon.com/images/I/713mRGdCanL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the difference between the 12.8V Duo versus the regular one?**
A: The 12.8 V Dou is suitable for lithium-ion batteries as well as lead acid batteries.

**Q: What is the difference between all the chargers optimate offers? i want to charge an agm battery, prius 2001 car. thanks.**
A: The one I have is a maintenance charger it charges and maintains battery health and longlife

**Q: Where is this made?**
A: The company which is Tecmate was founded in Belgium in 1994. They manufacture chargers for many brand names, however I'm not sure where they are actually made!

**Q: Will this charge a dead 12v auto battery?  Or is it used just to maintain a battery?**
A: *Perfect for charge and maintenance of all 12V lead-acid (STD, AGM, GEL) and 12V LiFePO4 'Lithium'.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Optimate battery charger
*by C***2 on December 14, 2025*

Everything went smoothly and the product works like it should! Thanks, highly recommended!

### ⭐⭐⭐⭐⭐ It works
*by M***A on October 11, 2025*

Nice trickle charger, working great

### ⭐⭐⭐⭐⭐ Great value and does the job.
*by K***E on June 9, 2025*

I bought this less expensive charger as a second unit for my motorcycles and found it to work as well as the more expensive Optimate 4 Dual program charger.

## Frequently Bought Together

- Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer
- Optimate cable O-01, ring terminal harness, powersport
- Tecmate OptiMATE USB O-100, Combination 2400mA USB Charger and 3-LED Battery Monitor, With Vehicle Battery Protection

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---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*