--- product_id: 452686296 title: "1 Duo 12V Lithium and Lead Acid Motorcycle Automatic Battery Charger Maintainer" brand: "optimate" price: "€ 139.95" currency: EUR in_stock: true reviews_count: 6 url: https://www.desertcart.gr/products/452686296-1-duo-12v-lithium-and-lead-acid-motorcycle-automatic-battery store_origin: GR region: Greece --- # 0.6A constant current charge Supports 2-20Ah lead acid & LiFePO4 batteries Operates down to -20°C (-4°F) 1 Duo 12V Lithium and Lead Acid Motorcycle Automatic Battery Charger Maintainer **Brand:** optimate **Price:** € 139.95 **Availability:** ✅ In Stock ## Summary > 🔋 Keep your ride ready—charge smarter, ride farther! ## Quick Answers - **What is this?** 1 Duo 12V Lithium and Lead Acid Motorcycle Automatic Battery Charger Maintainer by optimate - **How much does it cost?** € 139.95 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/452686296-1-duo-12v-lithium-and-lead-acid-motorcycle-automatic-battery) ## 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 & Smart Maintenance:** Sparks suppressed, automatic shut-off on short or disconnect, perfect for long-term storage. - • **Low Volt Start Technology:** Revives deeply discharged batteries starting as low as 4V—never get stranded. - • **Universal Battery Compatibility:** Seamlessly maintains STD, AGM, GEL, and Lithium 12V batteries from 2 to 20Ah. - • **Precision Microprocessor Control:** Delivers exactly what your battery needs—no overcharge, no undercharge. - • **Weatherproof & Versatile Leads Included:** O1 eyelet and O4 clamp leads for flexible, indoor or bench charging setups. ## Overview The OptiMate 1 Duo is a compact, microprocessor-controlled 12V battery charger and maintainer designed for lead acid and LiFePO4 motorcycle batteries between 2-20Ah. It delivers a steady 0.6A charge, supports low voltage starts from 4V, and includes weatherproof leads for versatile indoor use down to -20°C. Engineered for safe, long-term battery care with automatic shut-off and spark suppression, it’s the go-to solution for seasonal riders and storage maintenance. ## Description OptiMate 1 Duo - Cost-effective 12V lead acid and Lithium battery maintenanceOptiMate 1 Duo features precise microprocessor controlled charging and long term maintenance. Maintain any type of 12 volt lead-acid battery, filler cap / wet cell, sealed AGM (MF) or GEL and 12.8/13.2V lithium (LiFePO4) batteries without overcharging.Ideal for vehicles that are seldom or seasonally used, or in storage.The OptiMate maintenance program delivers only what the battery needs, never overcharges, never undercharges.Charging Amps: 0.6A (constant current)Use: Indoor (lowest temperature: -4°F / -20°C).Save: Low Volt Start of 4VIdeal for: STD, AGM & GEL 12V batteries from 2 – 20Ah & Lithium (LiFePO4) 12.8/13.2V batteriesIncluded: O1 weatherproof battery lead & O4 battery clamp lead included.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 limited replacement warranty. Review: Practical, affordable and excellent choice 👌 - Works perfectly on both Lithium and Acid batteries, comes with two sets of cables, one with clamp and one with plug so you an use it on two bikes, highly recommend and good value for money Review: Ras - Bon produit ## Features - Cost-effective 12V battery maintenance - Ideal for: STD, AGM & GEL 12V batteries from 2 – 20Ah & Lithium (LiFePO4) 12.8/13.2V batteries - SAVE: Low Volt Start of 4V - CHARGING AMPS: 0.6A (constant current) - Included Accessories: O1 Weatherproof Eyelet Lead; O4 Clamp Lead for bench charging ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NGVMH9J | | Amperage | 0.6 Amps | | Best Sellers Rank | #40,324 in Automotive ( See Top 100 in Automotive ) #15 in Motorcycle Battery Chargers | | Brand | OptiMate | | Color | Blue | | Colour | Blue | | Compatible Devices | 12V batteries (lead-acid, AGM, GEL, lithium) | | Connector Type Used on Cable | Eyelet, Clamp | | Current Rating | 0.6 Amps | | Customer Reviews | 4.8 out of 5 stars 875 Reviews | | Input Voltage | 240 Volts | | Item Dimensions D x W x H | 15.2D x 21.6W x 5.1H centimeters | | Item Weight | 200 Grams | | Item weight | 200 Grams | | Manufacturer | TecMate | | Mfr Part Number | TM404D | | Model Number | TM404D | | Number of Ports | 1 | | Output Voltage | 12 Volts (DC) | | Output voltage | 12 Volts (DC) | | Product dimensions | 15.2D x 21.6W x 5.1H centimeters | | Specification Met | UL | | Specification met | UL | | Unit Count | 1.0 Count | ## Product Details - **Brand:** OptiMate - **Colour:** Blue - **Item weight:** 200 Grams - **Output voltage:** 12 Volts (DC) - **Product dimensions:** 15.2D x 21.6W x 5.1H centimeters ## Images ![1 Duo 12V Lithium and Lead Acid Motorcycle Automatic Battery Charger Maintainer - Image 1](https://m.media-amazon.com/images/I/61hOuioPA0L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Practical, affordable and excellent choice 👌 *by A***Y on 9 June 2025* Works perfectly on both Lithium and Acid batteries, comes with two sets of cables, one with clamp and one with plug so you an use it on two bikes, highly recommend and good value for money ### ⭐⭐⭐⭐⭐ Ras *by C***S on 15 May 2025* Bon produit ### ⭐⭐⭐⭐⭐ Buono *by E***E on 9 February 2026* Fa il suo lavoro ## Frequently Bought Together - OptiMate 1 Duo 12V Lithium and Lead Acid Motorcycle Automatic Battery Charger Maintainer - OptiMate O1 SAE Weatherproof Eyelet Lead, Black - Optimate O7 SAE To TM Converter Lead --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/452686296-1-duo-12v-lithium-and-lead-acid-motorcycle-automatic-battery](https://www.desertcart.gr/products/452686296-1-duo-12v-lithium-and-lead-acid-motorcycle-automatic-battery) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-30*