---
product_id: 596410564
title: "Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer"
brand: "tecmate"
price: "₩378576"
currency: KRW
in_stock: false
reviews_count: 5
category: "Tecmate"
url: https://www.desertcart.kr/products/596410564-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v
store_origin: KR
region: South Korea
---

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

**Brand:** tecmate
**Price:** ₩378576
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Power up smarter, not harder — never let your battery hold you back!

## 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?** ₩378576 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/596410564-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 Resurrection Power:** Revives stubborn batteries others give up on—if OptiMate can’t save it, nothing can.
- • **Durable & Dustproof Design:** Compact, rugged casing built for indoor use keeps your charger safe and ready year-round.
- • **Connect & Forget Automation:** Fully automatic 4-step charging means zero hassle and zero battery worries.
- • **Trusted by Industry Leaders:** Endorsed by Honda, Yamaha, KTM & top battery brands for unmatched reliability.
- • **Universal Battery Compatibility:** Seamlessly charges 12V lead-acid and 12.8V lithium batteries—one charger for all your power needs.

## Overview

The Tecmate Optimate 1 Duo TM-409 is a compact, fully automatic 4-step battery charger and maintainer designed for 12V lead-acid and 12.8V lithium batteries. It features microprocessor-controlled charging that optimizes battery health, extends battery life with continuous 24/7 maintenance, and can revive batteries that other chargers fail to save. Trusted by major motorcycle brands and built with a durable dustproof case, it’s the ultimate smart charger for professionals who demand reliability and convenience.

## Description

24-7-365 smart maintenance! OptiMate 1 DUO delivers precise micro processor controlled charging & long term maintenance! Maintain any 12 volt lead-acid battery, sealed AGM (MF) or GEL, or 12. 8V Lithium battery (LiFePO4). 4-STEP program - STEP1: Low Volt Save (4V). STEP2: Controlled CHARGE. STEP3: OPTIMIZE. STEP4: OptiMate Maintenance.

Review: Caricare batteria scooter
Review: Everything went smoothly and the product works like it should! Thanks, highly recommended!

## 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 |
| Are batteries included? | No |
| Best Sellers Rank | #200,153 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #849 in Battery Tools |
| Brand | Tecmate |
| Country of Origin | USA |
| Customer Reviews | 4.8 4.8 out of 5 stars (311) |
| Date First Available | 6 September 2023 |
| Generic Name | OptiMATE 1 DUO, TM-409, 4-step 12V / 12.8V 0.6A battery charger & maintainer |
| Included Components | Battery Charger |
| Item Dimensions LxWxH | 9.5 x 6 x 3.8 Centimeters |
| Item Height | 3.8 Centimeters |
| Item Weight | 553 g |
| Item Width | 6 Centimeters |
| Item model number | TM-409 |
| Manufacturer | TecMate |
| Model number | TM-409 |
| Net Quantity | 1.0 Count |
| Number of Memory Sticks | 1 |
| Number of Ports/Connectors | 1 |
| Product Dimensions | 9.5 x 6 x 3.8 cm; 553.38 g |

## Product Details

- **Brand:** Tecmate
- **Item Weight:** 553 g
- **Output Voltage:** 12 Volts
- **Product Dimensions:** 9.5D x 6W x 3.8H Centimeters
- **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/41D4d2P+6tL.jpg)
![Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer - Image 2](https://m.media-amazon.com/images/I/41Ji6ybGYmL.jpg)
![Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer - Image 3](https://m.media-amazon.com/images/I/41lH7x+aWcL.jpg)
![Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer - Image 4](https://m.media-amazon.com/images/I/519ObuK6-cL.jpg)
![Tecmate TecMate Optimate 1 Duo, TM-409, 4-Step 12V / 12.8V 0.6A Battery Charger & maintainer - Image 5](https://m.media-amazon.com/images/I/51jlWrtunXL.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

### ⭐⭐⭐⭐⭐ Review
*by L***O on 11 September 2019*

Caricare batteria scooter

### ⭐⭐⭐⭐⭐ Review
*by C***2 on 14 December 2025*

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

### ⭐⭐⭐⭐⭐ Review
*by A***R on 16 September 2022*

Don't need to take out battery. Very convenience.

## 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.kr/products/596410564-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v](https://www.desertcart.kr/products/596410564-tecmate-tecmate-optimate-1-duo-tm-409-4-step-12v)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-23*