---
product_id: 39112998
title: "REELIGHT Light RR SL621 Power Backup Rack Mount"
brand: "reelight"
price: "84 kr"
currency: DKK
in_stock: false
reviews_count: 4
url: https://www.desertcart.dk/products/39112998-reelight-light-rr-sl621-power-backup-rack-mount
store_origin: DK
region: Denmark
---

# Electromagnetic tech power Waterproof durability No batteries needed REELIGHT Light RR SL621 Power Backup Rack Mount

**Brand:** reelight
**Price:** 84 kr
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Illuminate your ride, no batteries required!

## Quick Answers

- **What is this?** REELIGHT Light RR SL621 Power Backup Rack Mount by reelight
- **How much does it cost?** 84 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/39112998-reelight-light-rr-sl621-power-backup-rack-mount)

## Best For

- reelight enthusiasts

## Why This Product

- Trusted reelight brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek, Compact, and Ready:** Streamlined dimensions fit seamlessly on your bike rack without bulk.
- • **Eco-Friendly & Cost-Saving:** No disposable batteries means less waste and more savings over time.
- • **Built to Brave the Elements:** Waterproof design ensures reliable rear lighting come rain or shine.
- • **Effortless Power, Zero Hassle:** Say goodbye to battery swaps with innovative electromagnetic technology.
- • **Trusted Quality from Reelight:** Precision engineering from a leading brand ensures lasting performance.

## Overview

The REELIGHT Light RR SL621 is a compact, waterproof rear bicycle light powered by electromagnetic technology, eliminating the need for batteries. Designed for durability and ease, it offers eco-friendly, maintenance-free illumination to keep you visible and safe on every ride.

## Description

NO BATTERIES REQUIRED. Electromagnetic technology. The product is manufactured in China. An effective product to use.

## Features

- NO BATTERIES REQUIRED
- Electromagnetic technology
- Made in China
- Package Dimensions: 8" L X 4" W X 4" H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Reelight |
| Color | Black |
| Specific Uses For Product | Rear Lights |
| Vehicle Service Type | Bicycle |
| Year | 2015 |
| Special Feature | Waterproof |
| Lens Color | Red |
| Lens Material | Polycarbonate |
| Item dimensions L x W x H | 5.91 x 4.33 x 2.36 inches |
| UPC | 782174915754 |
| Manufacturer | J&B Importers, Inc. |
| Global Trade Identification Number | 05708441306235 |
| Item Package Dimensions L x W x H | 5.98 x 4.45 x 2.4 inches |
| Package Weight | 0.32 Kilograms |
| Item Dimensions  LxWxH | 5.91 x 4.33 x 2.36 inches |
| Brand Name | Reelight |
| Number of Items | 1 |
| Part Number | 98051 |

## Product Details

- **Brand:** Reelight
- **Color:** Black
- **Specific Uses For Product:** Rear Lights
- **Light Source Type:** LED
- **Vehicle Service Type:** Bicycle
- **Year:** 2015
- **Special Feature:** Waterproof
- **Auto Part Position:** Rear
- **Lens Color:** Red
- **Lens Material:** Polycarbonate

## Images

![REELIGHT Light RR SL621 Power Backup Rack Mount - Image 1](https://m.media-amazon.com/images/I/61dwa0Vci8L.jpg)

## Customer Reviews

### ⭐⭐ 







  
  
    Two Stars
  

*by S***R on Reviewed in the United States on April 8, 2018*

It doesn't work as advertised.  It doesn't continue to flash when stopped.

### ⭐⭐⭐⭐⭐ 







  
  
    no battery, still blinks
  

*by F***Y on Reviewed in the United States on August 25, 2016*

got it fast. never worry about rear light again.

### ⭐ 







  
  
    cool product but the clamp is to large to fit ...
  

*by N***O on Reviewed in the United States on November 14, 2017*

cool product but the clamp is to large to fit on my seat stay, the diameter is way wrong, not sure what to do.please send me the correct size clamp.not enough threads to clamp on the seat stay, the diameter looks like it is meant for a down tube, make no sense at all

---

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**Shop now:** [https://www.desertcart.dk/products/39112998-reelight-light-rr-sl621-power-backup-rack-mount](https://www.desertcart.dk/products/39112998-reelight-light-rr-sl621-power-backup-rack-mount)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-23*