---
product_id: 255189960
title: "TecmateOptiMate TM-291 Lithium 4s 5A 10-step 12.8V Sealed Battery Saving Charger & Maintainer"
brand: "tecmate"
price: "135.74 OMR"
currency: OMR
in_stock: false
reviews_count: 1
url: https://www.desertcart.com.om/products/255189960-tecmateoptimate-tm-291-lithium-4s-5a-10-step-12-8v
store_origin: OM
region: Oman
---

# 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:** 135.74 OMR
**Availability:** ❌ Out of Stock

## Summary

> 🔌 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?** 135.74 OMR with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/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

- • **24/7 Battery Guard:** Prevents discharge from connected devices, ensuring longer battery life.
- • **Smart Ampmatic Charging:** Automatically adjusts current to match battery size for optimal power delivery.
- • **Trusted by Industry Leaders:** Recommended by Honda, Yamaha, Kawasaki, KTM, and top lithium battery brands.
- • **Connect & Forget Convenience:** Continuous monitoring with auto-stop and fault alerts for hassle-free maintenance.
- • **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

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-03-19*