--- product_id: 292286864 title: "Tecmate OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer" brand: "optimate" price: "€ 156.17" currency: EUR in_stock: true category: "Opti Mate" url: https://www.desertcart.pt/products/292286864-tecmate-optimate-lithium-4s-0-8a-tm-471-8-step store_origin: PT region: Portugal --- # 0.8A steady charge 8-step battery care 6-hour fast recharge Tecmate OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer **Brand:** optimate **Price:** € 156.17 **Availability:** βœ… In Stock ## Summary > πŸ”‹ Charge smarter, ride longer β€” never get left powerless! ## Quick Answers - **What is this?** Tecmate OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer by optimate - **How much does it cost?** € 156.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/292286864-tecmate-optimate-lithium-4s-0-8a-tm-471-8-step) ## 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 - β€’ **BMS Wake-Up Mode:** Revives β€˜dead’ batteries safely with integrated Battery Management System tech. - β€’ **Trusted Performance:** Highly rated with 4.7 stars from 739 users, ranked top 105 in battery chargers. - β€’ **Precision 8-Step Charging:** Expertly tailored to extend your LiFePO4 battery’s lifespan and power. - β€’ **Compact & Lightweight Design:** Weighs just 454g with alligator clips for easy, on-the-go maintenance. - β€’ **Universal Lithium Compatibility:** Optimized for 4-cell LiFePO4 batteries from 2Ah to 10Ah, perfect for motorcycles, ATVs, and PWCs. ## Overview The Tecmate OptiMATE Lithium 4s TM-471 is a professional-grade 8-step 12.8V, 0.8A charger and maintainer designed specifically for 4-cell LiFePO4 batteries (2-10Ah). It features a unique BMS wake-up mode to safely revive deeply discharged batteries, ensuring longer battery life and reliable power for motorcycles, ATVs, UTVs, and PWCs. Compact, lightweight, and highly rated, it’s the go-to charger for millennial riders who demand peak performance and battery longevity. ## Description The ideal motocross battery charger or motorcycle battery charger for your 4-cell LiFePO4 / LFP / LiFe / LiFe nano-technology battery with voltage of 12V / 12.8V / 13.2V, sized from 2Ah to 10Ah (true Amp-hour rating) or up to PbEq equivalent of 20Ah. Can be used as an ATV battery charger, UTV battery charger, side-by-side battery charger or PWC battery charger for LiFePO4 batteries. For a fast / speed battery charger (charging within 6 hours or less) the OptiMate Lithium 4s 5A (TM-291) is recommended. ## Features - Longer battery life and more battery power guaranteed. - Ultimate protection for your high-performance Lithium (LiFePO4 / LiFe / LFP) battery. - Saves dead batteries other chargers can't! - BMS (Battery Management System) wake up mode safely wakes battery with integrated BMS protection out of sleep mode. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00Y38X7WI | | Amperage | 0.8 Amps | | Battery Charge Time | 6 Hours | | Best Sellers Rank | #60,029 in Automotive ( See Top 100 in Automotive ) #220 in Battery Chargers | | Brand | OptiMate | | Built-In Media | Battery Charger, Battery Lead, Battery Clips | | Color | Blue | | Compatible Devices | lithium battery 4s | | Connector Type Used on Cable | Alligator Clip | | Current Rating | 0.8 Amps | | Customer Reviews | 4.7 4.7 out of 5 stars (746) | | Global Trade Identification Number | 05425006145718 | | Input Voltage | 8 Volts | | Item Dimensions D x W x H | 15.2D x 20.3W x 7.6H centimeters | | Item Type Name | OptiMate Lithium 4s 0.8A, TM471, 8-step 12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer | | Manufacturer | Tecmate | | Mfr Part Number | TM-471 | | Model Number | TM-471 | | Number of Items | 1 | | Number of Ports | 1 | | Output Voltage | 12 Volts (DC) | | Specification Met | CEC | | Unit Count | 1 Count | ## Product Details - **Brand:** OptiMate - **Colour:** Blue - **Output voltage:** 12 Volts (DC) - **Product dimensions:** 15.2D x 20.3W x 7.6H centimeters - **Specification met:** CEC ## Images ![Tecmate OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer - Image 1](https://m.media-amazon.com/images/I/81iACDxBz7L.jpg) ## 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 ## Frequently Bought Together - OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8V 0.8A sealed battery saving charger & maintainer - Antigravity ATZ-10 Performance Lithium Motorcycle Powersport Battery with Built-In Jump Starting. 6.1Ah, Replaces YTZ10, YTZ12, YTZ14, YTX9, YTX7A Yamaha, Honda, Kawasaki, Suzuki --- ## 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.pt/products/292286864-tecmate-optimate-lithium-4s-0-8a-tm-471-8-step](https://www.desertcart.pt/products/292286864-tecmate-optimate-lithium-4s-0-8a-tm-471-8-step) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-10*