--- product_id: 255189960 title: "TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer" brand: "tecmate" price: "Β£264.07" currency: GBP in_stock: false reviews_count: 1 url: https://www.desertcart.co.uk/products/255189960-tecmateoptimate-tm-291-lithium-4s-5a-10-step-12-8v store_origin: GB region: United Kingdom --- # 5A Ampmatic smart charge 12.8V LiFePO4 battery support 24/7 battery protection TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer **Brand:** tecmate **Price:** Β£264.07 **Availability:** ❌ Out of Stock ## Summary > πŸ”Œ Power your ride with precision and peace of mind! ## Quick Answers - **What is this?** TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer by tecmate - **How much does it cost?** Β£264.07 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/255189960-tecmateoptimate-tm-291-lithium-4s-5a-10-step-12-8v) ## 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 - β€’ **24/7 Battery Guard:** Prevents discharge from connected devices, ensuring longer battery life. - β€’ **Smart Ampmatic Charging:** Automatically adjusts current to match battery size for optimal power delivery. - β€’ **Trusted by Industry Leaders:** Recommended by Honda, Yamaha, Kawasaki, KTM, and top lithium battery brands. - β€’ **Connect & Forget Convenience:** Continuous monitoring with auto-stop and fault alerts for hassle-free maintenance. - β€’ **Universal LiFePO4 Compatibility:** Designed for 4-cell 12.8V lithium batteries from 2Ah to 60Ah capacity. ## Overview The Tecmate OptiMate TM-291 is a professional-grade 5A charger and maintainer tailored for 12.8V 4-cell LiFePO4 batteries ranging from 2Ah to 60Ah. Featuring Ampmatic charge control, it smartly adapts charging current to battery size, offers continuous 24/7 protection against discharge, and alerts users to faults. Endorsed by major motorcycle and lithium battery manufacturers, it’s the ultimate connect-and-forget solution for motorcycles, ATVs, cars, and more. ## Description TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer ## Features - _xD835__xDDE0__xD835__xDDE2__xD835__xDDE5__xD835__xDDD8_ _xD835__xDDD6__xD835__xDDDB__xD835__xDDD4__xD835__xDDE5__xD835__xDDDA__xD835__xDDDC__xD835__xDDE1__xD835__xDDDA_ _xD835__xDDE3__xD835__xDDE2__xD835__xDDEA__xD835__xDDD8__xD835__xDDE5_ - 5A powerful charging with Ampmatic charge control adjusts charge rate – Small battery gets less, large battery gets more! - _xD835__xDDDF__xD835__xDDE2__xD835__xDDE1__xD835__xDDDA__xD835__xDDD8__xD835__xDDE5_ _xD835__xDDD5__xD835__xDDD4__xD835__xDDE7__xD835__xDDE7__xD835__xDDD8__xD835__xDDE5__xD835__xDDEC_ _xD835__xDDDF__xD835__xDDDC__xD835__xDDD9__xD835__xDDD8_ - Provides 24/7 protection by preventing discharge from connected circuitry and s more battery power. - _xD835__xDDD9__xD835__xDDE8__xD835__xDDDF__xD835__xDDDF__xD835__xDDEC_ _xD835__xDDD4__xD835__xDDE8__xD835__xDDE7__xD835__xDDE2__xD835__xDDE0__xD835__xDDD4__xD835__xDDE7__xD835__xDDDC__xD835__xDDD6_ - Connect and forget, no more battery problems. Continuous charging if healthy, stops and warns if faulty. - _xD835__xDDE6__xD835__xDDD4__xD835__xDDE9__xD835__xDDD8__xD835__xDDE6_, _xD835__xDDD6__xD835__xDDDB__xD835__xDDD4__xD835__xDDE5__xD835__xDDDA__xD835__xDDD8__xD835__xDDE6_, _xD835__xDDD4__xD835__xDDE1__xD835__xDDD7_ _xD835__xDDE0__xD835__xDDD4__xD835__xDDDC__xD835__xDDE1__xD835__xDDE7__xD835__xDDD4__xD835__xDDDC__xD835__xDDE1__xD835__xDDE6_ _xD835__xDDEC__xD835__xDDE2__xD835__xDDE8__xD835__xDDE5_ _xD835__xDDD8__xD835__xDDEB__xD835__xDDE3__xD835__xDDD8__xD835__xDDE1__xD835__xDDE6__xD835__xDDDC__xD - _xD835__xDDDB__xD835__xDDDC__xD835__xDDDA__xD835__xDDDB__xD835__xDDDF__xD835__xDDEC_ _xD835__xDDE5__xD835__xDDD8__xD835__xDDE3__xD835__xDDE8__xD835__xDDE7__xD835__xDDD4__xD835__xDDD5__xD835__xDDDF__xD835__xDDD8_ _xD835__xDDD6__xD835__xDDDB__xD835__xDDD4__xD835__xDDE5__xD835__xDDDA__xD835__xDDD8__xD835__xDDE5_ - OptiMATE Lithium is recommended by Honda, Yamaha, Kawasaki, KTM and Husqvarna and global Lithium battery manufacturers Antigravity, Super-B and Earth-X.. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | TecMate | | Brand | Tecmate | | Model | TM-291 | | Item Weight | 2 pounds | | Product Dimensions | 11 x 7 x 3 inches | | Item model number | TM-291 | | Is Discontinued By Manufacturer | No | | Manufacturer Part Number | TM-291 | | Amperage | 5 Amps | ## Product Details - **Brand:** Tecmate - **Colour:** Blue - **Product dimensions:** 17.8D x 27.9W x 7.6H centimeters - **Item weight:** 2 Pounds - **Output voltage:** 12.8 Volts ## Images ![TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer - Image 1](https://m.media-amazon.com/images/I/71X2T2gYurL.jpg) ![TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer - Image 2](https://m.media-amazon.com/images/I/71cIsUjdq7L.jpg) ![TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer - Image 3](https://m.media-amazon.com/images/I/71Jem7PbcsL.jpg) ![TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer - Image 4](https://m.media-amazon.com/images/I/71Ht-Q9p-8L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Capacity of my lithium battary is 100ah, if it discharge 70 %,would this charger to charge battery to full capacity?** A: Yes, provided that your battery cells are in good condition and are able to take/hold a charge, this charger will charge it to 100% **Q: Will this charge lithium iron batteries like Shorai?** A: I've been using it on my Shorai battery for about 1 year and it works Great! **Q: Can I get it with eu plug?** A: We don't offer the EU plug, but it can be used with an EU plug (100-240V). **Q: How long will it take to charge 80 as (group 27) lithium lifepo4 battery? 20 hours, or few days? thanks** A: Instructions say it will take 125% of the battery AH capacity for the battery to charge, so I assume you multiply your amp hours by 125% to get a rough estimate ## Customer Reviews ### ⭐ No *by E***R on 21 July 2022* Only for lithium batteriesWhich is make me very up set ## Frequently Bought Together - OptiMate TM-291 Lithium 4s 5A 10-step 12.8V 5A Sealed Battery Saving Charger & Maintainer - Optimate cable O-127 ring terminal harness with integrated battery status / charge system monitor, 12.8V / 13.2V lithium powersport, smart --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/255189960-tecmateoptimate-tm-291-lithium-4s-5a-10-step-12-8v](https://www.desertcart.co.uk/products/255189960-tecmateoptimate-tm-291-lithium-4s-5a-10-step-12-8v) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-19*