---
product_id: 79978609
title: "Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer"
brand: "tecmate"
price: "€ 103.71"
currency: EUR
in_stock: true
reviews_count: 13
category: "Tecmate"
url: https://www.desertcart.de/products/79978609-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v
store_origin: DE
region: Germany
---

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

**Brand:** tecmate
**Price:** € 103.71
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up your ride, effortlessly and reliably!

## Quick Answers

- **What is this?** Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer by tecmate
- **How much does it cost?** € 103.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/79978609-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v)

## 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 Tech:** Resurrects batteries others give up on—if Optimate can’t save it, nothing will.
- • **Built to Last Indoors:** Durable dustproof casing designed for long-term indoor use and continuous maintenance.
- • **Connect & Forget Charging:** Fully automatic 4-step charging cycle means zero hassle and zero battery worries.
- • **Trusted by Industry Leaders:** Endorsed by Honda, Yamaha, Kawasaki, KTM, and top battery brands for unmatched reliability.
- • **Universal Battery Compatibility:** Seamlessly charges 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 of precision current. It supports both lithium and lead-acid batteries, offering continuous 24/7 protection to extend battery life. Trusted by major motorcycle brands and built with a dustproof case, it’s the ultimate no-fuss solution to keep your battery healthy and ready.

## 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 |
| Amperage | 0.6 Amps |
| Best Sellers Rank | #37,650 in Automotive ( See Top 100 in Automotive ) #250 in Battery Chargers |
| Brand | Tecmate |
| Customer Reviews | 4.8 4.8 out of 5 stars (563) |
| Date First Available | June 24, 2015 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.22 pounds |
| Item model number | TM-409 |
| Manufacturer | TecMate |
| Manufacturer Part Number | TM-409 |
| Product Dimensions | 3.74 x 2.36 x 1.5 inches |

## Product Details

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

## Images

![Tecmate 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)

## 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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**Shop now:** [https://www.desertcart.de/products/79978609-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v](https://www.desertcart.de/products/79978609-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-01-26*