# Alonefire SV77 395nm UV Torch – 10W USB-C Rechargeable Black Light

Alonefire SV77 395nm UV Torch: a 10W USB-C rechargeable tool with safety glasses, ideal for spotting pet urine stains and UV-reactive materials..

- [Original product page](https://www.ofertitastop.com/uk/product/alonefire-sv77-395nm-uv-torch-10w)
- [View offer](https://www.ofertitastop.com/uk/visit/alonefire-sv77-395nm-uv-torch-10w)
- Market: UK
- Language: en-GB
- Currency: GBP
- Product updated: 2026-10-18T05:35:23.867Z
- SKU: ofertitastop-uk-118201
- Category: Electronics > Electronics Accessories > Power > Power Adaptor & Charger Accessories
- Source store: amazon UK
- Active deal: Yes
- Price: 16.19 GBP
- Previous price: 17.99 GBP
- Discount: 10%
- Rating: 4 / 5
- Reviews: 25

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## What is it
The Alonefire SV77 is a 395nm UV torch designed to reveal pet urine stains, minerals, UV-reactive materials and more that are invisible to the naked eye. It’s a practical tool for home inspection, pet owners, hobbyists and professionals who need reliable fluorescence detection in a compact, portable form.

## How it helps in real life
On the surface it looks like a simple UV torch, but its 395nm wavelength targets visible fluorescence for stain detection and material verification. If you’re dealing with pet messes, it can help you spot dried residues you might otherwise miss. For hobby use, it’s handy for mineral or amber checks, resin work, and even some security tasks like money verification in the right context.

## What stands out
The SV77 ships with a safety package that includes UV protective glasses, which is a sensible inclusion given ultraviolet light exposure. It’s USB-C rechargeable, reducing the ongoing cost and waste of disposable batteries, and the integrated battery supports longer detection sessions without constant swapping.

## What could be better
On the downside, while the 10W output provides practical brightness for most domestic use, it may not match high-end professional models in extreme or large-area lighting tasks. The kit’s usefulness hinges on reliable battery life and charge performance, so if you expect long, field-heavy sessions, you’ll want to check real-world runtime and charging speed.

## Who it’s for
It makes sense for pet owners wanting a straightforward way to identify urine stains, for hobbyists exploring minerals or UV-reactive materials, and for casual users who value a compact, ready-to-use tool with protective eyewear included.

## Who might want to skip it
If you require ultra-high-intensity UV for specialised industrial tasks or extended fieldwork, this 10W unit may feel underpowered. Also, if you already rely on disposable batteries or seldom use UV detection, the investment may not be as compelling.

## When it’s worth buying
Consider the SV77 when you value a practical, all-in-one UV detection setup with safety gear, a modern USB-C recharge, and a compact build suitable for storage and travel. Its versatility across pet care, minerals, resin work and light security checks adds to its everyday value.

## Before you buy, check these details
Ensure you’re comfortable with 395nm as the detection wavelength for your typical tasks. Confirm the availability of the USB-C charger and battery, and consider how the included protective glasses fit you. If you need longer runtime per charge or greater brightness for large spaces, compare with other options in the same UV category.

## Practical comparison – how it fits against other approaches
For quick spot checks around the home, a compact UV torch like this often beats larger professional kits on convenience and storage. If you need to cover bigger areas or require non-stop operation, you might prefer a higher-output or multi-wavelength setup. In short, this model sits in the middle ground: capable for everyday detection with sensible portability and safety features.

## What’s included
UV torch body, rechargeable battery, USB-C charging cable, and UV protective glasses.

## Tech specs
- Name: Alonefire SV77 395nm UV Torch
- Type: UV light/torch
- Format: USB-C rechargeable handheld flashlight
- Power: 10W
- Material: Aluminium body
- Colour: Black
- Wavelength: 395nm
- Included items: Rechargeable battery, USB-C charging cable, UV protective glasses
- Suitability: Indoor and outdoor use, compact for storage

## Is it worth it?
Worth considering if you want a practical, all-in-one UV detection tool with safety eyewear and modern charging, suitable for everyday tasks. It may not be the best match if you need maximum brightness for large spaces or for highly demanding professional scenarios.

## Images

![Alonefire SV77 395nm UV Torch – 10W USB-C Rechargeable Black Light — 1](https://www.ofertitastop.com/i/N3kq_Y5oW2hWrrnWdgkdvaQm0F_wihY42U58XYz-XUX8y1LlMswjThLyHO1_2bhE6FZXx9a9aLJRgQ0PmmNuf6iTxmEoc_85RjtkcrcvG6IT9gomHmRPQ6AzXA.jpg)

![Alonefire SV77 395nm UV Torch – 10W USB-C Rechargeable Black Light — 2](https://www.ofertitastop.com/i/nRZh_3oqWObbOYRoTsAqW41NLs_K31x4YP63Lww1u9QAELbTY8s51IbJirM6smedWg5W5Dxv02N4-jB4jt5lq0Jyg4qqwsPX-M9maM59YhVGU0C7xt8DvA4qIw.jpg)

![Alonefire SV77 395nm UV Torch – 10W USB-C Rechargeable Black Light — 3](https://www.ofertitastop.com/i/S_rMZofnpoCuU3fpbXClgNhqMSRuB_EvR4yQ_wBmngZoN0RCsSXRDefuni5qiVUh5Gtd1qFGczH3y3yLPOdKC4cudJ-AtWDn240jUPqL-P0InpOMFOBf3UHvdA.jpg)

![Alonefire SV77 395nm UV Torch – 10W USB-C Rechargeable Black Light — 4](https://www.ofertitastop.com/i/6916aScluX2GGtsqPBEIBGc56vOCKiAKGNbZspkzmmldKtoWEUlb0UrXVNyQXNc7sESoPkxQhStCt-WmQukguJNZstu8IaR8Mn482PIENMeSW4IbvJXcS31X5A.jpg)

![Alonefire SV77 395nm UV Torch – 10W USB-C Rechargeable Black Light — 5](https://www.ofertitastop.com/i/CTX5TRAYGDzIgbDjrx9Mg0eip3KUGKmWs_5IQS91zSC-KC8qh41wMv9W_42skf9grCzu-DTrWnT8A-kp0JjMiB25MBN-J5DwSjwrCtFLqtOOKePvvU9uID31NQ.jpg)