# Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens

USB-C: Magicshine SEEMEE 50 V2.0 UK is a compact rechargeable rear bike light rated at up to 50 lumens, with five modes and an IPX6 claim. Its lower output and five-mode options suit riders seeking a rear visibility light, while its claimed longest runtime applies to Eco Flash rather than every setting.

- [Original product page](https://bargainpostbox.co.uk/product/magicshine-seemee-50-v2-uk-rear-bike-light)
- [View offer](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Magicshine
- Model: SEEMEE 50 V2.0 UK
- Category: Sports & Outdoors > Cycling > Bicycle Parts & Accessories
- Price: 23.98 GBP
- Previous price: 29.99 GBP
- Discount: 20%
- Price checked: 2026-11-12T19:21:08.993Z
- Rating: 4 / 5
- Reviews: 42

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

## At a glance

- Five lighting modes are listed, with mode-specific runtime claims from 3 to 30 hours.
- The stated maximum is 50 lumens, available in the Day Flash mode specification.
- USB-C charging, a battery indicator, mode memory and a lock feature are claimed.
- Silicone-strap installation is described for a seatpost or saddle rail without tools.
- IPX6 water resistance is claimed.

## Pros

- Five listed modes give riders different flashing and steady-light options.
- The manufacturer lists USB-C charging, a battery indicator and a lock feature to help manage charging and prevent accidental activation.
- The described silicone strap allows tool-free seatpost or saddle-rail installation.

## Cons

- The maximum output is 50 lumens, so buyers wanting a higher-output rear light should look for a different configuration.
- The longest stated runtime is for Eco Flash. Other listed modes have shorter runtimes, including 3 hours for High mode.

## Specifications

### Identity
- Brand: Magicshine
- Model: SEEMEE 50 V2.0 UK
### Power and battery
- Power configuration: Battery Powered
- Battery capacity: 430mAh
- Battery voltage: 3.7V
- Charging connection: USB-C
- Charging time: 2 hours \(5V, 1A\)
### Light and operation
- Maximum output: 50 Lumens
- Light source: COB LEDs
- Number of modes: 5
- Low mode output and runtime: Low\(6lm,6h\)
- High mode output and runtime: High\(15lm,3h\)
- Night Flash output and runtime: Night Flash\(6lm/15lm,7h\)
- Day Flash output and runtime: Day Flash\(0/50lm,10h\)
- Eco Flash output and runtime: Eco Flash\(0/3/0/10lm,30h\)
- Visibility angle: 260°
- Visibility distance: 1000 meters
- Battery indicator: Green 100%-21%, Red 20%-11%, Flashing red 10%-1%
### Dimensions and installation
- Mounting types listed: Seatpost Mount, Seat Mount
- Dimensions listed: 6.5L x 1.4W x 2.7H centimetres
- Weight: 0.99 oz
### Materials and protection
- Water resistance listed: Waterproof
- Material listed: Plastic
- Body material: PC+ABS
- Lens/reflector type: PC optical lens
- Drop test: 1 meter
### Other
- Colour: Black
- Warranty description: 24 months

## Before you buy

- The listing details are inconsistent: the title and detailed specification give 50 lumens and IPX6, while the general details say only Waterproof. Dimension and weight figures also use different formats in the description and details, so check the selected listing for the intended measurements. The 30.5-hour claim is not the same as the mode table's 30-hour Eco Flash runtime. FTR syncing requires compatible Magicshine front and tail lights and a separately sold MJ-6558 remote.

## In the box

- SEEMEE 50 V2.0 (Included)
- Silicone strap (Check selected pack): Listed in the description's box contents.
- USB-C charging cable (Check selected pack): Listed in the description's box contents.
- User manual (Check selected pack): Listed in the description's box contents.

## A good fit for

- Cyclists wanting a USB-C rechargeable rear light with five stated modes and a compact listed size.
- Riders who can use a seatpost or saddle-rail strap mount and want mode-specific runtime information.

## Less suited to

- Riders who need more than the stated 50-lumen maximum from their rear light.
- Buyers relying on the longest runtime in a brighter mode, since the 30-hour figure is specified for Eco Flash.

## Customer feedback

The supplied evidence contains aggregate ratings but no written customer feedback, so it does not establish specific praised features or complaints. The overall rating is positive-leaning but includes a notable lower-star share. Buyers should weigh that broad, limited signal alongside the listing's mode-specific runtime claims and modest 50-lumen maximum.

## Frequently asked questions

### How bright is the SEEMEE 50 V2.0 UK?
The listing gives a maximum output of 50 lumens and specifies that output in Day Flash mode. Other modes have separate output and runtime claims.
### How long does the battery last?
Runtime varies by mode in the description, from 3 hours in High to 30 hours in Eco Flash. A separate feature claim says 30.5 hours, so treat that figure as inconsistent with the mode table.
### Can it be mounted on a saddle rail?
The listing describes a silicone strap for either a seatpost or saddle rail. Confirm the mounting arrangement suits your bike.
### Does it sync with a front light or remote?
FTR LightSync is described for pairing with compatible Magicshine front and tail lights. The MJ-6558 remote and front light are stated to be sold separately, and the remote cannot pair with the tail light alone.

## Alternative options

- [MagicShine SEEMEE 300/400 Bike Taillight,300/400 Lumen Bike Tail Light,360° Visible Smart Brake Sensor IPX6 Waterproof Rear Bike Light for Night Riding](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [Magicshine SEEMEE Rear Bike Lights USB Rechargeable, 150 Lumens IPX6 Waterproof Bike Light Back Night & Daytime Modes for Cycling Safety](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [Magicshine URBO TL Brake Bike Tail Light for Urban Commuting & Road Cycling \| Auto On/Off,1.02oz Ultralight Rear Bicycle Light,82H Runtime,IPX6 Waterproof,Quick Release Mount,Safe Night Riding](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [RAVEMEN Rear Bike Light for Day and Night,6 Modes Ideal for Road Trips and Urban Cycling, 3 Mounting Options USB-C Rechargeable Bike Taillight, IPX6 Waterproof 280°Field of View](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [Magicshine SEEMEE 200 V3.0 USB C Rechargeable Bike Tail Lights,200 Lumens Max Output,360° Visibility, Smart Brake Sensor IPX6 Waterproof Rear Bike Lights for Road Urban Cyclists](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [Magicshine Front Light,RN Series Powerful LED TYPE-C Rechargeable Bicycle Lights,IPX 7 Waterproof MTB Mountain Bicycle Headlight,Fits All Bicycles](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [APACE USB Rechargeable Bike Tail Light Super Bright 100 Lumens Bicycle Mountain Bike Tail Light LED Light Clip On Easily to Serve as Red Rear Light for Optimal Cycling Safety](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [Magicshine HORI 900 Bike Light with Cut-Off DRL for Night Riding SEEMEE 50 \| 900 LM Front Light,2000mAh, 50 LM Max Rear Light, FTR LightSync, Garmin/Wahoo Mount Fit, USB-C, IPX6, Road & Commuting](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [ISEYOU LED Rear Bike Tail Light \[2 Packs\], IP65 Waterproof & Drop Resistant, USB-C Rechargeable, Safety Warning Strobe, 6 Light Modes](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [G Keni Smart Rear Bike Tail Light, Auto on/off Brake Sensing Bicycle Lights, USB Rechargeable Bikes Tailights, IPX65 Waterproof Rears Lights for Bikes, High Intensity Rear Cycling Safety Accessories](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [OLIGHT RN 120 C Rear 120 Lumens Type-C Rechargeable Ultra Bike light \| Smart Brake Function Bicycle Taillights, IPX6 Waterproof, Day and Night Riding Safety, Cycling](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)
- [RAVEMEN CL01 Bike Tail Light, 300° Wide-Angle Rear Bicycle Light for Night Riding, Saddle Mount Bike Taillight Safety Accessories with Auto On/Off, Brake Sensing, 5 Modes, IPX6 Waterproof](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)

## Add-ons

- [Magicshine Bike Tail Light SEEMEE 50 V2.0, Rear Bike Light with USB C Rechargeable, 50 Lumen IPX6 Waterproof Bicycle Lights f](https://bargainpostbox.co.uk/visit/magicshine-seemee-50-v2-uk-rear-bike-light)

## Images

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 1](https://bargainpostbox.co.uk/i/FWTJ2GCNolKJARJ0rhHAEwXL8jMbRx7h9QujiphW2cXuBkjduA_BApbcOzeQLL5KIc7biT4hAhU_1LTuX1wupRQbb_1cbiBIcEucfwTS8X27K61LO5yldE2S.jpg)

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 2](https://bargainpostbox.co.uk/i/uoKhCcrUDbxaijDxXASy74QfrR7hj-unmo93wuVAokQiNAeFAFdsDi2g0vCzS7bDPr7yTMKlLewtDFkYYeqhyrP-kwXbKE1L8GtY8_PYnnFfb6-K4QL5KegC.jpg)

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 3](https://bargainpostbox.co.uk/i/jI-loYZa_5THwb6OG-30EfH5IDlt1CsN-8F191VKt7xET6xp-8v49axe5kYreO_3luRP8jae1y7YNLjNs4K34crCWoa94a9-PeZMx7fDeXd5f9S6P32kJNy3.jpg)

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 4](https://bargainpostbox.co.uk/i/HjQ-wc00KJ-mlUwcfG7_V4nACQ7NDt4niU1Xu7J5bUCov41rksUy3OyPYg4wliecPDzAUIQbk_MG30KVHeAC4JtTHZKaefiEYUMKV5NUY--qHpZg0Oe7J27V.jpg)

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 5](https://bargainpostbox.co.uk/i/Y6rhyOH7vbQyHxcDbnCF_Xaz71AePYX-2dk2RgWLwz37XtpmxzSiALPfNp7qHPVnLpYuLl0_3db4LyqLifesOO5FAxdR7vSDPoQIMBUur6c-PEYXToahD_3p.jpg)

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 6](https://bargainpostbox.co.uk/i/chETbh2t2_GJbi7OO6DWzr_pm0o986pA__63NJQii9aTg3lSgu39k01gIKSoYVVLuDo1jkrtMzIBfE-iXNO5eihctiGfoXVmJUVlPqcVipk0WBDB7YRyK4kb.jpg)

![Magicshine SEEMEE 50 V2.0 UK USB-C Rear Bike Light, 50 Lumens — 7](https://bargainpostbox.co.uk/i/LFJdeeHllsgeBA2WQc4UVK6ve9TjsHCsCN-FzEXxOg8byDBUkr9TyUuUx6urWE1KQp_HNKTpcx3h5hBKmHMZWRWEr-cp357AoXRuKd7Z-VK78AcJksOMfOy7.jpg)