--- product_id: 593078521 title: "Tecmate Optimate Lithium 4s 10A, TM-275v2, 10-Step 12.8V 10A Sealed Battery Saving Charger & maintainer" brand: "tecmate" price: "£498.47" currency: GBP in_stock: false reviews_count: 5 category: "Tecmate" url: https://www.desertcart.co.uk/products/593078521-tecmate-optimate-lithium-4s-10a-tm-275v2-10-step-12 store_origin: GB region: United Kingdom --- # 10A Ampmatic smart charge Revives batteries down to 0.5V SafeT freeze-proof charging Tecmate Optimate Lithium 4s 10A, TM-275v2, 10-Step 12.8V 10A Sealed Battery Saving Charger & maintainer **Brand:** tecmate **Price:** £498.47 **Availability:** ❌ Out of Stock ## Summary > ⚡ Charge Fast, Ride Far, Stay Ahead! ## Quick Answers - **What is this?** Tecmate Optimate Lithium 4s 10A, TM-275v2, 10-Step 12.8V 10A Sealed Battery Saving Charger & maintainer by tecmate - **How much does it cost?** £498.47 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/593078521-tecmate-optimate-lithium-4s-10a-tm-275v2-10-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 BMS Wake-Up:** Pushbutton activated BMS wake mode safely reactivates sleeping batteries, keeping you race-ready. - • **Freeze-Proof Performance:** SafeT mode ensures optimal charging even below freezing—never let cold weather stall your ride. - • **Battery Resurrection Mode:** Advanced Lithium Save revives batteries as low as 0.5V, saving you from costly replacements. - • **Race-Ready Rapid Charging:** 10A Ampmatic current adapts perfectly to your battery size for lightning-fast, safe power-ups. - • **24/7 Intelligent Maintenance:** Interactive maintenance mode prevents discharge from connected devices, extending battery life and power. ## Overview The Tecmate Optimate Lithium 4s 10A charger is a professional-grade, fully automatic 12.8V LiFePO4 battery charger and maintainer. Designed for performance motorcycles, race cars, and craft, it delivers adaptive 10A charging with freeze-safe technology, battery revival from ultra-low voltage, and smart maintenance to maximize battery lifespan and reliability. ## Description DEAL FOR: Lithium (LiFePO4) 12.8/13.2V batteries from 3 - 120Ah CHARGING AMPS: 10A (Ampmatic current) CHARGING VOLTS: nominal: 12.8V range: 0.5V - 14.4V OPERATION: Fully automatic. 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! - Pushbutton activated BMS wake up mode safely wakes battery out of sleep mode or low discharge.; OptiMATE Lithium 24-7 smart inter-active maintenance prevents discharge from connected circuitry & guarantees more battery power, longer battery life! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NSKTNKX | | Amperage | 10 Amps | | Battery Charge Time | 120 Minutes | | Brand | Tecmate | | Brand Name | Tecmate | | Colour | Multicolor | | Connector Type Used on Cable | Alligator Clips, SAE Connector | | Country of Origin | USA | | Current Rating | 10 Amps | | Customer Reviews | 4.8 out of 5 stars 33 Reviews | | Input Voltage | 120 Volts | | Item Weight | 1.41 Kilograms | | Item Weight Unit of Measure | 1.41 Kilograms | | Manufacturer | Tecmate | | Manufacturer Part Number | TM-275 | | Model Number | TM-275 | | Number of Ports | 1 | | Output Voltage | 12.8 Volts (DC) | | Specification Met | CE | ## Product Details - **Brand:** Tecmate - **Colour:** Multicolor - **Charging Time:** 120 Minutes - **Manufacturer:** Tecmate ## Images ![Tecmate Optimate Lithium 4s 10A, TM-275v2, 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-275v2, 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-275v2, 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-275v2, 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.co.uk/products/593078521-tecmate-optimate-lithium-4s-10a-tm-275v2-10-step-12](https://www.desertcart.co.uk/products/593078521-tecmate-optimate-lithium-4s-10a-tm-275v2-10-step-12) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-20*