---
product_id: 234668283
title: "O-100"
brand: "optimate"
price: "£32.24"
currency: GBP
in_stock: true
category: "Opti Mate"
url: https://www.desertcart.co.uk/products/234668283-o-100
store_origin: GB
region: United Kingdom
---

# 2400mA fast charging power 3-LED battery status monitor Weatherproof durability O-100

**Brand:** optimate
**Price:** £32.24
**Availability:** ✅ In Stock

## Summary

> 🔌 Stay powered, stay protected — never miss a charge or a beat!

## Quick Answers

- **What is this?** O-100 by optimate
- **How much does it cost?** £32.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/234668283-o-100)

## 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

- • **Rugged Weatherproof Design:** Reliable performance rain or shine, built to withstand tough outdoor conditions.
- • **Built-In Battery Protection:** Automatic shutoff prevents overcharging and protects your vehicle’s battery life.
- • **Smart 3-LED Battery Monitor:** Instantly know your battery’s health with clear, easy-to-read LED indicators.
- • **Power-Packed 2400mA USB Output:** Charge your devices and vehicle battery efficiently with high current delivery.
- • **Universal Vehicle Compatibility:** Seamlessly connects to any vehicle with standard SAE cable for hassle-free use.

## Overview

The Tecmate OptiMATE USB O-100 is a smart, weatherproof 2400mA USB charger combined with a 3-LED battery monitor designed for all vehicle types. It features built-in protection to prevent battery drain, quick 1-hour charge time, and easy SAE cable connectivity, making it an essential tool for proactive vehicle battery maintenance.

## Description

Buy Tecmate OptiMATE USB O-100, Combination 2400mA USB Charger and 3-LED Battery Monitor, With Vehicle Battery Protection: Battery Chargers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Easily connects with any vehicle and standard sae cable.
- Lithium and lead-acid friendly.
- Weatherproof.
- Built in protection to turn off when not using.
- Monitors battery status with easy to read led indicator.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0885XN37B |
| Amperage | 2400 |
| Battery Charge Time | 1 hours |
| Best Sellers Rank | #368,751 in Automotive ( See Top 100 in Automotive ) #1,040 in Battery Chargers |
| Brand | OptiMate |
| Built-In Media | USB Charger |
| Color | Blue |
| Current Rating | 2400 milliamps |
| Customer Reviews | 4.4 4.4 out of 5 stars (361) |
| Global Trade Identification Number | 05425006140454, 05425006144568 |
| Input Voltage | 5 volts |
| Item Type Name | OptiMate USB O-100v3, Smart 2400mA USB charger, with standby mode & vehicle battery monitor. |
| Item Weight | 6.4 ounces |
| Manufacturer | TecMate |
| Mfr Part Number | O-100v3 |
| Model Number | O-100v3 |
| Number of Ports | 1 |
| Output Voltage | 5 volts |
| Specification Met | sae |
| Warranty Description | 3 Years |

## Product Details

- **Brand:** OptiMate
- **Color:** Blue
- **Item Weight:** 6.4 ounces
- **Output Voltage:** 5 volts
- **Specification Met:** sae

## Images

![O-100 - Image 1](https://m.media-amazon.com/images/I/513rpEH9B0L.jpg)
![O-100 - Image 2](https://m.media-amazon.com/images/I/51wdN1qAy6L.jpg)
![O-100 - Image 3](https://m.media-amazon.com/images/I/51922ZPWn-L.jpg)
![O-100 - Image 4](https://m.media-amazon.com/images/I/411a6pzrk1L.jpg)
![O-100 - Image 5](https://m.media-amazon.com/images/I/41OCHJSRNDL.jpg)

## Frequently Bought Together

- Tecmate OptiMATE USB O-100, Combination 2400mA USB Charger and 3-LED Battery Monitor, With Vehicle Battery Protection
- Optimate cable O-01, ring terminal harness, powersport
- Tecmate TecMate OptiMATE 1 DUO, TM-409, 4-step 12V / 12.8V 0.6A battery charger & maintainer

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**Shop now:** [https://www.desertcart.co.uk/products/234668283-o-100](https://www.desertcart.co.uk/products/234668283-o-100)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-08-03*