---
product_id: 17483232
title: "Lithium 4s 0.8A Quad Bank, TM485, 8-Step 4x12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer"
brand: "tecmate"
price: "270402CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/17483232-lithium-4s-0-8a-quad-bank-tm485-8-step-4x12
store_origin: SN
region: Senegal
---

# 0.8A precision charging current Supports 4 x 12.8V LiFePO4 batteries 8-step smart charging & maintenance Lithium 4s 0.8A Quad Bank, TM485, 8-Step 4x12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer

**Brand:** tecmate
**Price:** 270402CFA
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up your fleet with smart, simultaneous lithium charging!

## Quick Answers

- **What is this?** Lithium 4s 0.8A Quad Bank, TM485, 8-Step 4x12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer by tecmate
- **How much does it cost?** 270402CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/17483232-lithium-4s-0-8a-quad-bank-tm485-8-step-4x12)

## 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 Wake-Up Pulse:** Automatically activates batteries with integrated BMS for seamless, hassle-free charging.
- • **Quad-Bank Powerhouse:** Charge and maintain up to 4 lithium batteries simultaneously—perfect for multitasking pros.
- • **Compact Machined Design:** Sleek, durable build fits effortlessly into any workspace or garage setup.
- • **Ultra-Low Voltage Rescue:** Revives batteries down to 0.5V with patented OptiMATE Lithium technology—never lose power again.
- • **24/7 Interactive Maintenance:** Prevents battery drain from connected devices, extending battery life and reliability.

## Overview

The Optimate Lithium 4s 0.8A Quad Bank TM485 is a professional-grade charger and maintainer designed for up to four 12.8V LiFePO4 lithium batteries. Featuring an 8-step smart charging process, ultra-low voltage recovery, and 24/7 interactive maintenance, it ensures longer battery life and reliable performance for both starter and deep cycle batteries.

## Description

Optimate Lithium 4s 0.8A Quad Bank, TM485, 8-Step 4x12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer

## Features

- OptiMATE Lithium 4s 0. 8A Quad bank for up to 4 x 12. 8V/13. 2V LifePO4 / LFP Lithium batteries.
- Automatically charge, test and maintain up to 4 x 12. 8V / 13. 2V LiFePO4 / LFP starter or deep cycle batteries.
- Saves LFP batteries from as low as 0. 5V with the unique and safe OptiMATE Lithium method.
- Automatic wake up pulse for batteries with integrated BMS protection - After connection battery wakes up and charges. ; OptiMATE Lithium 24-7 smart inter-active maintenance prevents discharge from connected circuitry & more battery power, longer battery life!
- OptiMate Lithium 24-7 smart inter-active maintenance prevents discharge from connected circuitry & longer battery life!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | OptiMate |
| Brand | Tecmate |
| Item Weight | 2.42 pounds |
| Product Dimensions | 13 x 2.41 x 10 inches |
| Item model number | TM-485 |
| Exterior | Machined |
| Manufacturer Part Number | TM-485 |

## Product Details

- **Brand:** Tecmate
- **Color:** Black, Blue, Red, Silver
- **Item Weight:** 1.1 Kilograms
- **Output Voltage:** 13.2 Volts
- **Specification Met:** CE

## Images

![Lithium 4s 0.8A Quad Bank, TM485, 8-Step 4x12.8V 0.8A Lithium Expert Battery Saving Charger & Maintainer - Image 1](https://m.media-amazon.com/images/I/818dZt3BdBL.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

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**Shop now:** [https://www.desertcart.sn/products/17483232-lithium-4s-0-8a-quad-bank-tm485-8-step-4x12](https://www.desertcart.sn/products/17483232-lithium-4s-0-8a-quad-bank-tm485-8-step-4x12)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-21*