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Dealbreaker Question Re USB Rechargeable Lights

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Dealbreaker Question Re USB Rechargeable Lights

Old 10-27-16, 05:52 PM
  #1  
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Dealbreaker Question Re USB Rechargeable Lights

After months of torturous research on which rear blinkie to purchase, I think I have finally made a decision. However, there is one little detail that can change my mind.

Living in New York, I only ride between late April and mid-October, which means any light I purchase is going to sit on the bike, in the basement, unused for about six months of the year. I am already overwhelmed by all the occasionally-used rechargeable devices (i.e. the little bluetooth beach speaker, the USB power bank, the hands-free car speaker) I need to charge intermittently so that the batteries don't shut down for good, so I really don't want to have to worry about letting my blinkie sit too long without a charge over the winter.

My question: What effect would leaving a rechargeable blinkie uncharged for six months have on battery life and performance? Do I run the risk of the batteries leaking or dying altogether if I forget about them over the winter? Should I just start looking at AAA-powered lights instead?
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Old 10-27-16, 06:30 PM
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If it's a Li-ion battery, then it should be OK for 6 months if stored at about 40% charge and below 25C (the cooler the better).

(Source: How to Prolong Lithium-based Batteries - Battery University)
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Old 10-27-16, 06:52 PM
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Originally Posted by Papa Tom View Post
After months of torturous research on which rear blinkie to purchase, I think I have finally made a decision. However, there is one little detail that can change my mind.

Living in New York, I only ride between late April and mid-October, which means any light I purchase is going to sit on the bike, in the basement, unused for about six months of the year. I am already overwhelmed by all the occasionally-used rechargeable devices (i.e. the little bluetooth beach speaker, the USB power bank, the hands-free car speaker) I need to charge intermittently so that the batteries don't shut down for good, so I really don't want to have to worry about letting my blinkie sit too long without a charge over the winter.

My question: What effect would leaving a rechargeable blinkie uncharged for six months have on battery life and performance? Do I run the risk of the batteries leaking or dying altogether if I forget about them over the winter? Should I just start looking at AAA-powered lights instead?
Buy it, turn it on once a week for a couple of hours, charge it once a week, and come April 2017 it won't knopwe that it was used inside for 6 months
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Old 10-27-16, 07:19 PM
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OK, so given that I would have no idea what a 40% charge is, and that I definitely do not want to have to "turn it on once a week for a couple of hours and charge it once a week," it sounds like I should probably be looking at an AA or AAA blinkie?
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Old 10-27-16, 07:44 PM
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Originally Posted by Papa Tom View Post
months of torturous research
You are working way too hard and completely overthinking this.

Buy a good quality light by a reputable manufacturer and it will be fine for many years. That's all.

This isn't engineering a mission to Mars. We are not saving lives. Buy a light and move on.


-Tim-
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Old 10-27-16, 07:53 PM
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Originally Posted by TimothyH View Post
You are working way too hard and completely overthinking this.

Buy a good quality light by a reputable manufacturer and it will be fine for many years. That's all.

This isn't engineering a mission to Mars. We are not saving lives. Buy a light and move on.


-Tim-
And you are so right. I am going to order the Cygolite 150 right now. Thanks for the spanking, my friend.
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Old 10-27-16, 09:30 PM
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Originally Posted by Papa Tom View Post
And you are so right. I am going to order the Cygolite 150 right now. Thanks for the spanking, my friend.
I'm sorry to have come across that way.

The fact is that I'm guilty as charged. Idealistic, analytical, perfectionist melancholic. It took me a long time and a lot of work to begin to correct that.

I was talking about perfectionism with my daughter just tonight. She suffers as well. I said, "It only has to be amazing. It doesn't have to be perfect."

The 150 is going to be an amazing light.
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Old 10-28-16, 05:56 AM
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Originally Posted by TimothyH View Post
I'm sorry to have come across that way.
No offense taken. I suffer from perfectionism, too, and it can be painfully debilitating.

I went through the same nightmare when I upgraded my panniers earlier this year. I ended up with the Topeak Explorer MTX, which is far from perfect, but good enough for my purposes. That's why, in a thread on the Electronics, Lighting, etc. forum, I finally drew a parallel to the tail lights on an automobile and how, once we buy a car, we never spend a second shopping for brighter lights or lights that have a more effective blinking pattern. There's a level of quality that the auto industry determined is "good enough" and there should be no need to question it.

As I've ranted many times on many different forums, I really believe that many of problems in the current economy come from consumers having way too many choices and way too much information. When I played drums professionally and I needed to replace a cymbal (perhaps one of the most personalized components of a drum set), I would go into the music store and there would be, maybe, three choices. Inevitably, I would walk out of there with one of them. Shopping for blinkies, I've been flooded with hundreds of recommendations for hundreds of models from hundreds of manufacturers and have been subjected to thousands of user reviews that are all over the spectrum, from "Best Light I've Ever Owned" to "Don't Buy. Terrible Light." In the end, as I've done with many purchases before, I almost dropped the whole idea and just stuck with the $10 Bell blinkie I've been using for ten years. And I've also stopped shopping for a new car for the same reason.

Anyway, I ordered a blinkie last night and I've already forgotten which one it was. Maybe I'm getting healthier.
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Old 10-28-16, 06:32 AM
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The modern lights are really remarkable, and most will make you happy. No need to agonize over the decision.

As far as storage, the 40% rule is good. In practical terms, just run the light for about half of the advertised run time and put it in storage.


Steve in Peoria
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Old 10-28-16, 09:40 AM
  #10  
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Don't worry about it. I have many rechargeable lights that are over a year or two old and they all still work fine. I don't make any special effort to get them to a magical storage charge point. I just toss them in the box when I'm not using them. Sometimes they're there for a day, sometimes a year. I have a Knog Blinder that was in the box for 2 years because it's basically impossible to use except on a road bike with no rack, so I just never use it anymore. But I pulled it out a few months ago and it was still running fine.

I do ride year round so perhaps many of my lights get used most of the time, but I do have some that sit for months without harm.
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Old 10-28-16, 10:55 AM
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For months of storage, I'd charge it full, then run it for about 3 hours on blink, then put it away. It's better to not store it fully charged. (I think most usb rechargeable blinkies are about 10-15 hours on blink?)

Don't let it run all the way down before you recharge, that's not good, either.

Even as the lithium battery gets older, it'll still work, just not run as long between charges.

Recommended voltage
I have an expensive 4-cell Dinotte battery pack that plugs into the light. I asked Dinotte about recommended voltages. At a full charge, it's 8.4 volts. They recommended 7.8 to 8.0 volts for long term storage. (I have a voltmeter, which is handy for other uses, too. I can check it because it's a plug-in battery.)

It's a replacement pack, that I got after about 3 years, when the original pack's full power lighting started to last about 30 to 45 minutes instead of over 2 hours. I still use the old pack on summer rides when I only need it for an hour. It'll revert to medium or low power as it's voltage drops, so I still get maybe 1.5 hours total. I put the new pack in storage, partially discharged, for the summer.

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Old 10-28-16, 12:20 PM
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Thanks. I ordered the Cygolite Hot Shot 150 and I plan to throw it in the basement and forget about it all winter. Enough stressing out over BS. When it dies, I'll donate red blood cells again, get another $50 Amazon card and buy a new one.

Thanks for beating some sense into me, everybody.
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Old 10-28-16, 02:33 PM
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You'll love it. I have a lower model Cygolite tail light. In fact, I own two or three. One of them stopped taking a charge after only two years. I expected them to tell me to get lost or maybe let me buy one at a discount. They sent me a brand new replacement. I've heard other good things about this company, too. And believe it or not, they make their stuff in the USA.

I donate regularly and don't get Amazon cards. Which blood service do you use?

Lithium Ion batteries hold their charge while they are unused better than other kinds of rechargeable batteries. That's one of their many desirable attributes.
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Old 10-28-16, 03:28 PM
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Originally Posted by noglider View Post
You'll love it. I have a lower model Cygolite tail light. In fact, I own two or three. One of them stopped taking a charge after only two years. I expected them to tell me to get lost or maybe let me buy one at a discount. They sent me a brand new replacement. I've heard other good things about this company, too. And believe it or not, they make their stuff in the USA.

I donate regularly and don't get Amazon cards. Which blood service do you use?

Lithium Ion batteries hold their charge while they are unused better than other kinds of rechargeable batteries. That's one of their many desirable attributes.
noglider: Yours was the recommendation that convinced me to pull the trigger on the Cygolite. But, of course, I went with the brightest one they make, because nobody really knows how bright is bright enough. I'm going to stop reading threads about blinkies now and just use what I get.

Regarding the donation, I got a letter in the mail from the New York Blood Center in Melville, Long Island asking if I'd come back for an Automated Red Blood Cell Donation. Accompanying the letter was a flyer advertising cool premiums from either Amazon, Walmart, Target, Home Depot, or Dunkin' Donuts for donating whole blood or red cells before January 15, 2017. When I went in to donate, nobody knew anything about the offer and I didn't want to make an issue of it, so I bled into a bag and left. Later that day, somebody convinced me that I wouldn't go to hell just for asking for a gift card, so I called NY Blood Center's 800 number, gave them a few codes off my donation receipt, and about a week later, $50 in Amazon gift cards arrived in the mail. Then I spent the next couple of weeks poisoning my blood with stress over which damned blinkie to buy with the money.
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Old 10-28-16, 03:46 PM
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What you ought to get is some winter gear (polar fleece bib tights, jacket, and cap, plus wool socks and warm gloves), so you can ride into December and start back up in March.

But if you're frozen with indecision over a blinkie... THAT decision will likely trigger a full on anxiety attack lol
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Old 10-28-16, 04:24 PM
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Originally Posted by nycphotography View Post
What you ought to get is some winter gear (polar fleece bib tights, jacket, and cap, plus wool socks and warm gloves), so you can ride into December and start back up in March.

But if you're frozen with indecision over a blinkie... THAT decision will likely trigger a full on anxiety attack lol
Y'know, I used to ride later into the year, using just a NiteRider 10W headlight and a $10 blinkie when it got darker, like it is now in the morning. But it seems to be open season on cyclists these days - or else, the distracted driving is just way out of hand here on Long Island. I've dodged too many bullets in broad daylight lately. I think my "riding in the dark" train has left the station.

But your "anxiety attack" quote was pretty funny.
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Old 10-28-16, 05:54 PM
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i'm commuting to work (jamaica to midtown) most days.... i will say this: bright headlight makes a huge difference. before my niterider 1200 died, I had it on a 1:4 high:low flash mode and i never got doored when running that light and had fewer pedestrians shoot out in front of me. with the $30 chinese headlight I can tell it's less visible, but still like 90% as effective.

on 9w after dark (earlier in the season) TWO blinkies, one on seat post another on left seat stay makes a big difference.

being seen (obnoxiously even) goes a long way.
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Old 10-28-16, 08:16 PM
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Originally Posted by nycphotography View Post
being seen (obnoxiously even) goes a long way.
This was the subject of a thread I started on the "Commuters" forum around the same time I started posting here about blinkies. Apparently, there are many different opinions about whether blinking rear lights and pulsating headlights are effective or just, as you say, "obnoxious." I tend to agree with your statement above, and that's why I've ordered a Cygolite Hotshot 150 and why I will probably replace my VERY bright $5 Harbor Freight 32-LED headlight with an even brighter multi-mode light designed for daytime riding.
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Old 10-28-16, 08:59 PM
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Where on LI are you from?

I used to live in Miller Place and commuted to Hauppauge year round as long as there wasn't ice.

In the winter it was a straight shot down 347/Nesconset Highway with the wide shoulder, 19.9 miles each way. As summer approached I would stretch it further and by fall I was doing 60 miles each way some days, heading to the north shore and enjoying the hills along the Sound or going south and taking some of the east/west roads along the LIRR. Miss it terribly.

So yeah, what's your route?


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Old 10-29-16, 01:06 AM
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As Captain Obvious might say: no need to purchase a light right now that won't be used until april '17.
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Old 10-29-16, 06:09 AM
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Originally Posted by TimothyH View Post
Where on LI are you from?....So yeah, what's your route?
I'm from Syosset and I work less than three miles away. My route uses Convent Road (almost right out my back door), the bike lane on Southwoods Road, and some neighborhood roads that lead to a secret entrance to my work property. Nothing like your commute, but way too short to warrant driving a car every day.

The Southwoods Road bike lane is the most dangerous section, as it includes a crossover where I need to go straight ahead while cars merge into the right turn lane. I've driven this many times, and if you are not 1000% alert as a driver, it'd be easy to miss a cyclist coming up on your right as you are crossing over, especially if you are texting or watching a YouTube video behind the wheel.

This specific spot is the main reason I have chosen to upgrade my lights and run them during the daytime.
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Old 10-29-16, 07:16 AM
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Originally Posted by American Euchre View Post
As Captain Obvious might say: no need to purchase a light right now that won't be used until april '17.
Unless you're pretty sure the $50 Amazon gift card you've put aside for it will otherwise be scooped up by your wife over the winter and used to buy two pairs of Spanx.
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Old 10-31-16, 06:26 AM
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If you buy it and put it on the shelf, the company has probably already put it at a good resting charge level for shipping and storage.
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Old 10-31-16, 06:46 AM
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As an alternative, you may let others use that light during your off season.
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Old 10-31-16, 10:16 AM
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If you Commute between a computer at home to a Job in front of one for your pay, then you have a USB recharge at both ends .
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