--- product_id: 390331377 title: "Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer" brand: "tecmate" price: "€ 11.40" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.at/products/390331377-tecmate-optimate-lithium-4s-10a-tm-275-10-step-12 store_origin: AT region: Austria --- # 10A rapid charge output Supports 12.8V/13.2V LiFePO4 batteries Safe charging below freezing Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer **Brand:** tecmate **Price:** € 11.40 **Availability:** ✅ In Stock ## Summary > ⚡ Charge Fast, Race Hard, Stay Ahead! ## Quick Answers - **What is this?** Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer by tecmate - **How much does it cost?** € 11.40 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/390331377-tecmate-optimate-lithium-4s-10a-tm-275-10-step-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 - • **Smart Ampmatic Control:** Automatically adjusts current to perfectly match your battery’s size and condition. - • **Freeze-Proof Performance:** SafeT technology ensures reliable charging even in sub-zero temperatures. - • **Plug-and-Play Diagnostics:** TUNE mode lets you diagnose and update your battery charger’s programming effortlessly. - • **Race-Ready Rapid Charging:** Delivers a powerful 10A charge for lightning-fast battery revival. - • **Advanced Battery Rescue Mode:** Revives batteries down to 0.5V and warns if battery health is compromised. ## Overview The Tecmate OptiMATE Lithium 4s 10A TM-275 is a professional-grade 10-step charger and maintainer designed specifically for 12.8V/13.2V LiFePO4/LFP batteries. It features smart ampmatic current control, freeze-safe charging, and an advanced battery rescue mode, making it ideal for high-performance motorcycles, race cars, and craft. With TUNE mode diagnostics and a 3-year warranty, it ensures safe, efficient, and hassle-free battery care. ## Description OptiMATE Lithium 4s 9.5A, TM-275 10-step 12.8/13.2V 10A Battery Charger High efficiency diagnostic charger and r for LiFePO4 / LFP batteries. Perfect for charging of a high performance 12.8V-13.2V LiFePO4 / LFP battery sized from 2.5 to 120 Amp-hour. Special features: * Optimate Lithium 4s 10A, the fastest professional battery charger for the 12.8V/13.2V LiFeP04 / LFP in your performance / race motorcycles, cars or craft, with TUNE mode for diagnostics or up-dating programming - The ultimate Lithium charger for race car owners! * Automatically and safely charge, test and maintain your 12.8V / 13.2V LiFePO4 / LFP starter or deep cycle batteries as specified - SafeT adjusted charging below freezing. 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: High quality Review: Shipping was fast!! ## Features - OptiMATE Lithium 4s 10A, the fastest professional battery charger for the 12.8V/13.2V LiFeP04 / LFP in your performance / race motorcycles, cars or craft, with TUNE mode for diagnostics or up-dating programming - The ultimate Lithium charger for race car owners! - Automatically and safely charge, test and maintain your 12.8V / 13.2V LiFePO4 / LFP starter or deep cycle batteries as specified - SafeT adjusted charging below freezing. - Ampmatic charge control for Lithium adjusts current to match battery size and condition - Small battery gets less, large battery gets more. - Most advanced Lithium save mode will save battery from as low as 0.5V - Continues charging if healthy, stops and warns if faulty! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NSKTNKX | | Amperage | 10 Amps | | Battery Charge Time | 120 minutes | | Best Sellers Rank | #63,384 in Automotive ( See Top 100 in Automotive ) #196 in Battery Chargers | | Brand | Tecmate | | Color | Multicolor | | Colour | Multicolor | | Current Rating | 10 Amps | | Customer Reviews | 4.8 out of 5 stars 33 Reviews | | Input Voltage | 240 Volts | | Input voltage | 240 Volts | | Item Weight | 1.41 Kilograms | | Item weight | 1.41 Kilograms | | Manufacturer | Tecmate | | Mfr Part Number | TM-275 | | Model Number | TM-275 | | Number of Ports | 1 | | Output Voltage | 12.8 Volts | | Output voltage | 12.8 Volts | | Specification Met | CE | | Specification met | CE | ## Product Details - **Brand:** Tecmate - **Colour:** Multicolor - **Item weight:** 1.41 Kilograms - **Output voltage:** 12.8 Volts - **Specification met:** CE ## Images ![Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer - Image 1](https://m.media-amazon.com/images/I/81wxtwbB0mL.jpg) ![Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer - Image 2](https://m.media-amazon.com/images/I/719A6B9MtEL.jpg) ![Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer - Image 3](https://m.media-amazon.com/images/I/71vYwcBv-DL.jpg) ![Tecmate OptiMATE Lithium 4s 10A, TM-275, 10-step 12.8V 10A sealed battery saving charger & maintainer - Image 4](https://m.media-amazon.com/images/I/81HpIXn1vIL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ High quality *by B***. on 5 May 2025* ### ⭐⭐⭐⭐⭐ Shipping was fast!! *by K***N on 19 April 2022* ### ⭐⭐⭐⭐⭐ Buy this and toss the rest *by B***A on 21 March 2023* ## Frequently Bought Together - Optimate Lithium 4s 10A, TM-275, 10-Step 12.8V 10A Sealed Battery Saving Charger & maintainer - Optimate 7 Select - 12V 10A, TM-251v3, 9-Step Gold Series Battery Saving Charger & maintainer --- ## 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.at/products/390331377-tecmate-optimate-lithium-4s-10a-tm-275-10-step-12](https://www.desertcart.at/products/390331377-tecmate-optimate-lithium-4s-10a-tm-275-10-step-12) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-04-22*