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expiredNavy-Wife | Staff posted Jul 11, 2025 07:31 PM
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expiredNavy-Wife | Staff posted Jul 11, 2025 07:31 PM

[Prime] 5400mAh Yosky Rechargeable LED IPX5 Waterproof Bike Light Set $13.46 + Free Shipping

$13

$31

58% off
Amazon
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Yosky via Amazon [amazon.com] has for Prime Members: 5400mAh Yosky Rechargeable LED IPX5 Waterproof Bike Light Set on sale for $22.43 - $8.97 off when you visit the promo code page to activate [amazon.com] (or apply code 2IQN8OGO at checkout) = $13.46. Shipping is free.

Note: Amazon promo codes don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.
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Yosky via Amazon [amazon.com] has for Prime Members: 5400mAh Yosky Rechargeable LED IPX5 Waterproof Bike Light Set on sale for $22.43 - $8.97 off when you visit the promo code page to activate [amazon.com] (or apply code 2IQN8OGO at checkout) = $13.46. Shipping is free.

Note: Amazon promo codes don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.

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Model: Yosky USB Rechargeable Bike Light Set - EVO 5400mAh Smart Bike Headlight and Tail Light - Super Bright Bike Light Front and Back for Adults Kids Men Women Night Riding

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Sort: Lowest to Highest | Last Updated 8/8/2025, 01:01 PM
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Jul 11, 2025 08:36 PM
2,674 Posts
Joined Jan 2011
Jul 11, 2025 08:36 PM
BrokePandaJul 11, 2025 08:36 PM
2,674 Posts
Seriously are these really 1000 lumen output? I've purchased some of these cheap knock offs and the up returning them because they are not what they say they are.

also no mention if this is usb-c charging.
Last edited by BrokePanda July 11, 2025 at 01:42 PM.
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Jul 11, 2025 08:42 PM
9,845 Posts
Joined Nov 2010
Jul 11, 2025 08:42 PM
Navy-WifeJul 11, 2025 08:42 PM
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9,845 Posts
Quote from BrokePanda :
Seriously are these really 5400 lumen output? I've purchased some of these cheap knock offs and the up returning them because they are not what they say they are.
Just to clarify, it's not 5400 lumens — it has a 5400mAh rechargeable battery.
Jul 11, 2025 10:57 PM
35 Posts
Joined Apr 2022
Jul 11, 2025 10:57 PM
niftywoodcreationsJul 11, 2025 10:57 PM
35 Posts
Quote from BrokePanda :
Seriously are these really 1000 lumen output? I've purchased some of these cheap knock offs and the up returning them because they are not what they say they are.

also no mention if this is usb-c charging.

Check out the Wuben, often on sale for $25. It's a pretty solid light, has a user replaceable 21700 included, and a tube adapter so you can also use an 18650 if you want. I forget the projected lumens but it's a solid bike light, very well constructed (aircraft aluminum) & for $25? Hum bruh, just go buy it haha 😆. Seriously, it's a great light.
Jul 12, 2025 02:17 AM
35 Posts
Joined Dec 2019
Jul 12, 2025 02:17 AM
Guizan33Jul 12, 2025 02:17 AM
35 Posts
Quote from niftywoodcreations :
Check out the Wuben, often on sale for $25. It's a pretty solid light, has a user replaceable 21700 included, and a tube adapter so you can also use an 18650 if you want. I forget the projected lumens but it's a solid bike light, very well constructed (aircraft aluminum) & for $25? Hum bruh, just go buy it haha 😆. Seriously, it's a great light.

Can you link it?
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Jul 12, 2025 02:39 AM
986 Posts
Joined Apr 2004
Jul 12, 2025 02:39 AM
semjase
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Jul 12, 2025 02:39 AM
986 Posts
This looks to have two internal 18650 cells so 1000 lumens is easily possible. Let's say it's 10 watts at full power, that's 5.4AH at 3.7v, so nearly exactly 20 watt hours. That would make high power mode about 2 hours runtime. Not too far off the specs provided. It's probably 750-1000 lumen depending on efficiency of the driver and LEDs. Looks like a great price, but I won't buy it because I only buy lights with easily swapable cells (18650, etc.).
Jul 12, 2025 12:59 PM
2,915 Posts
Joined Aug 2006
Jul 12, 2025 12:59 PM
whatgooddealJul 12, 2025 12:59 PM
2,915 Posts
Quote from semjase :
This looks to have two internal 18650 cells so 1000 lumens is easily possible. Let's say it's 10 watts at full power, that's 5.4AH at 3.7v, so nearly exactly 20 watt hours. That would make high power mode about 2 hours runtime. Not too far off the specs provided. It's probably 750-1000 lumen depending on efficiency of the driver and LEDs. Looks like a great price, but I won't buy it because I only buy lights with easily swapable cells (18650, etc.).
$13, at this price point, swappable battery doesn't even matter to me.
Jul 15, 2025 05:21 AM
5,037 Posts
Joined Feb 2007
Jul 15, 2025 05:21 AM
mpkbJul 15, 2025 05:21 AM
5,037 Posts
fwiw, the best bike light I've used has a beam pattern is rectangular like a car [urlhasbeenblocked.com]. It is a German standard. Everybody wins- oncoming cars are not blinded, and that light is instead projected in useful places for the rider. That pattern is pretty cool, just like a car, squared off and rectangular. Not a useless round ball like most lights. Look for "German standard" and/or StVZO.

"StVZO bike lights are designed to conform to German Road Traffic Licensing Regulations, with a beam shaped to avoid dazzling other road users."



Disclaimer- I don't know what beam pattern the light in this deal is. Clicking through says nothing about the beam pattern
Last edited by mpkb July 14, 2025 at 10:24 PM.

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