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Old 02-26-2013, 01:11 PM   #226
F6BANGER
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Cool jacket. Somewhere I read it was 1.5amps. I cant find it now.
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Old 02-26-2013, 01:24 PM   #227
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jacket

The battery is a 1.4ah battery, but I am no electrical guru so not sure what that means
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Old 02-27-2013, 06:27 AM   #228
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Originally Posted by liceyscrub View Post
The battery is a 1.4ah battery, but I am no electrical guru so not sure what that means
What this means is that if you had a 60 watt jacket, (.i.e. drawing 5 amps), it will last about 17 minutes max, most likely half as long.
Ratings such as ampere can be deciphered only if you know the current draw at which the rating is specified. Ampere hour is an indication of duration of time for which you can draw a certain current. If the the rating is specified at a current draw of, say, 500 milli amp., you can draw 500 milli amp for 2.8 hours. The relationship between the timne and the current is not linear. One would think that you can draw 1 amp for 1.4 hours and 2 amps at .72 hours. But it ain't so. Increasing the current draw reduces the time drastically.
THis jacket is OK for walk around the block or some yard work, but is pretty useless for a motorcycle,
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Old 02-27-2013, 10:13 AM   #229
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I bought a 11.1v 5000mah lipo for my jacket, and made it "wireless" with a dimmer with remote control. It lasts 1,5-2 hours.

I've made so I can swith between battery and wire harness for the bike.

The battery is a bit bulky, but not that bad at all.
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Old 02-27-2013, 11:01 AM   #230
F6BANGER
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Quote:
Originally Posted by JensEskildsen View Post
I bought a 11.1v 5000mah lipo for my jacket, and made it "wireless" with a dimmer with remote control. It lasts 1,5-2 hours.

I've made so I can swith between battery and wire harness for the bike.

The battery is a bit bulky, but not that bad at all.
You could also use this

Its 3.5x4x2.75 if you dont mind the bulk. I use them on my bicycle. I've got 35w and 75w halogen headlights. When I get home I change it out with the battery in my home alarm system to charge. Get it from an alarm battery store. I paid around $9. I fabricated my water bottle holder to accommodate it. sorry I kinda got off track.
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Old 02-27-2013, 11:06 AM   #231
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Cool sulution for ya....

But yeah, too big for me, but have thought about it, because I could use it in paralel with the bikes battery/charging system.

Havent found THE perfect solution for me yet, so I made sure to make it versatile :)
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Old 02-27-2013, 02:10 PM   #232
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Quote:
Originally Posted by JensEskildsen View Post
I bought a 11.1v 5000mah lipo for my jacket, and made it "wireless" with a dimmer with remote control. It lasts 1,5-2 hours.

I've made so I can swith between battery and wire harness for the bike.

The battery is a bit bulky, but not that bad at all.
Swith???
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Old 03-01-2013, 10:28 PM   #233
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Originally Posted by JensEskildsen View Post
Cool sulution for ya....

But yeah, too big for me, but have thought about it, because I could use it in paralel with the bikes battery/charging system.

Havent found THE perfect solution for me yet, so I made sure to make it versatile :)
That's an excellent idea. If you are going to install heated gear, extra lighting and louder horn, you need a supplemental battery as the stock battery might not be able to support the load.
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Old 03-01-2013, 10:34 PM   #234
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Originally Posted by Yaatri View Post
That's an excellent idea. If you are going to install heated gear, extra lighting and louder horn, you need a supplemental battery as the stock battery might not be able to support the load.
Adding a supplemental battery will not help.
The charging source must be capable of covering the increased load.
ie: Larger capacity alternator.
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Old 03-01-2013, 11:53 PM   #235
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Im lucky, my alternator puts out 546 watts & 14.2 volts @3500 rpm.
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Old 03-02-2013, 11:37 AM   #236
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Adding a supplemental battery will not help.
The charging source must be capable of covering the increased load.
ie: Larger capacity alternator.
Yeah, but you buy yourself some time with 2 batteries, or 1 bigger.

I have under 200w in total, and need to turn the jacket and heated grips, up and down from time to time. Have thought about a stator upgrade, but im a bit concerned to DIY, and I down wanna spend money either
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JensEskildsen screwed with this post 03-02-2013 at 11:43 AM
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Old 03-02-2013, 07:14 PM   #237
Yaatri
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Adding a supplemental battery will not help.
The charging source must be capable of covering the increased load.
ie: Larger capacity alternator.
It may or may not help.
Often batteries are are underrated. Under normal circumstances, not all your load is active. Horn and turn signals, and stop light for example. In those situations an extra battery can help. During times when not everything is active, your charging system can handle normal loads.

Of course, your alternator must be able to put out enough current to charge both batteries and run all the normal electronics such as ignition, and lighting. You can definitely increase the time before your batteries need to be charged externally, when you start with fully charged batteries.
You could also wire your non critical stuff to the extra battery, which doesn't have to be charged by the alternator. There is moe than one way of handling the extra battery.
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Old 03-02-2013, 08:37 PM   #238
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Originally Posted by Yaatri View Post
It may or may not help.
Often batteries are are underrated. Under normal circumstances, not all your load is active. Horn and turn signals, and stop light for example. In those situations an extra battery can help. During times when not everything is active, your charging system can handle normal loads.

Of course, your alternator must be able to put out enough current to charge both batteries and run all the normal electronics such as ignition, and lighting. You can definitely increase the time before your batteries need to be charged externally, when you start with fully charged batteries.
You could also wire your non critical stuff to the extra battery, which doesn't have to be charged by the alternator. There is moe than one way of handling the extra battery.
Exactly - a compromise, not a true fix.
The defense rests.
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Old 03-03-2013, 05:09 AM   #239
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Exactly - a compromise, not a true fix.
The defense rests.
Under some situations, it's a very good fix, if you know what you are doing though. By adding a battery, you are simply increasing your battery capacity. (Having a bigger tank of gas will not fix any other problem any more or less than a an extra battery or a larger capacity battery will.) It gives a relief to already overloaded electrical system. It's not the spare battery that overloads the system though.
It's a cheaper "fix" than replacing the alternator stator.

I am not sure what your argument is or what it is that needs to be defended, especially when nothing was/is under attack. :)
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Old 04-14-2013, 09:37 AM   #240
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Heated vest

Just wanted to say thanks to everyone in this thread, as I built my own jacket from it. Especially to F6Banger who supplied my wire as he had some left over he wasn't using.
I got an $8 PWM controller of Ebay and wired it in and put the control on the faring of my KLR. Now it goes from 0-100% nice and smooth and I can get any amount of heat I need. Final config the vest draws 5A and heated grips draw 3.5A so not too bad at all. Runs fine with both on.

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