It's a freeken superjet. Not a carbon comp hull that every ounce matters. A few pounds aren't going to do much for you...
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Lithium batteries
- Thread starter bondra131
- Start date
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Quinc
Buy a Superjet
- Location
- California
How much do you weigh? And you are worried about 3 pounds. Drink a couple less beers before you ride.
- Location
- seattle area, Wa
https://www.facebook.com/groups/219...lability=available&query=battery fire bullett
c/n: lithium battery caught fire, burned the 20K ski to junk
c/n: lithium battery caught fire, burned the 20K ski to junk
bondra131
Thaat's braptaastic!
- Location
- Coeur d'Alene, Idaho
Sure they make a difference. Sj's all lean towards the right when afloat. Thank to the pos heavy battery...
bondra131
Thaat's braptaastic!
- Location
- Coeur d'Alene, Idaho
Haha but less beers is less fun! I'm only 170
How much do you weigh? And you are worried about 3 pounds. Drink a couple less beers before you ride.
- Location
- Reno,NV
our ski caught on fire...we decided to eat healthier....its cheaper than the lithium battery
Fro Diesel
creative control
- Location
- Kzoo
So if I install a lithium battery with the same old ground cable and cause a fire was the new lithium battery or the ground cable the cause.. seriously a battery will give you as much power as you can get so a loose connection or a frayed or bad wire can cause a fire. Your denial and error logic of thinking might say well I just put a new lithium battery and that must be the cause.
That being said there is always manufacturing defects but at least WPS have been thousand times better than any anti-gravity battery
That being said there is always manufacturing defects but at least WPS have been thousand times better than any anti-gravity battery
bondra131
Thaat's braptaastic!
- Location
- Coeur d'Alene, Idaho
So WHAT does cause one to magically light fire? How? No regular battery ever would. Oh because it's jet skis not race cars right? If it's under the hood of a car or can't happen... It senses that it's in a ski and torches em lmao. My friend swore up and down that it's complete bs and that he went to school for this. Makes sense to me... There's nothing flammable in the damn things! How does something not flammable turn itself into a blow torch? Ridiculous... Lithium batteries are everywhere. I don't see poop lighting on fire all over the place lol
- Location
- Tri-Cities, WA
Doesn't need to be produced out of flammable materials to catch fire when electricity is present. Youtube arc flash. The energy and heat from high amperage shorts can vaporize metal (also not flammable). Also youtube lithium fails....Lots of vids of rc cars and vape pens. Seems like charging issues and impacts are detrimental to lithium...run at your own risk. 3 pages of back and forth over saving less tha 10 lbs....just take a dump before riding.
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Fro Diesel
creative control
- Location
- Kzoo
Regular batteries do all the time, run low on electrolight, demand too much current from the battery, full ac on a hot night at a stop light with a loose connection or exposed wire on the neg terminal. telling me youve never seen a carfire....i have seen normal batteries with the terminal melted into the case.
bondra131
Thaat's braptaastic!
- Location
- Coeur d'Alene, Idaho
Well hell that sucks... If just puncturing it was the cause I wouldn't be worried but if it can happen randomly no matter how good of a proper user of the battery you are then f that but the weight drop is a big deal. It isn't that 10 pounds is a lot when it comes to being a rider but 10 pounds up front and off to one side of the ski is a big deal... You can see a ski when its floating by itself leaning to the right big time. You think that doesn't throw off the handling? That's not balanced... I would notice big time. I noticed a loss of top heaviness just from ditching my fire extinguisher from the hood.
Philip Clemmons
Owner, P&P Performance
- Location
- Richmond, Va
- Location
- Reno,NV
I am sorry but I think you and your friend are miss informed.
Its not a magical fire, its water intrusion thru the outer box, shortening of the battery, or defective cheap Chinese crap inside the battery..
Loosing $ 30K over 10 pounds ....nah, its not worth it .
You are comparing a stock SJ with aftermarket hulls.....
What if the ski lights up in your garage at home ? Or on the trailer locked up for the night with other skis and your gas jugs....
If you run total loss with lithium you would know that your skis runs weaker and weaker thru out the day.....
So take the battery out of your SJ....oh doh still leans wonder why ??? Exhaust tube ding ding
Its not a magical fire, its water intrusion thru the outer box, shortening of the battery, or defective cheap Chinese crap inside the battery..
Loosing $ 30K over 10 pounds ....nah, its not worth it .
You are comparing a stock SJ with aftermarket hulls.....
What if the ski lights up in your garage at home ? Or on the trailer locked up for the night with other skis and your gas jugs....
If you run total loss with lithium you would know that your skis runs weaker and weaker thru out the day.....
So take the battery out of your SJ....oh doh still leans wonder why ??? Exhaust tube ding ding
Last edited:
Philip Clemmons
Owner, P&P Performance
- Location
- Richmond, Va
Agree with everything but this ^^
LiFe cells have a virtually flat discharge curve, meaning the voltage is roughly the same from the time they come off the charger until they are dead. This is a huge advantage for TL users, as the usable battery voltage is always above 13 V.
I'm new to total loss, will be running it for the first time. Are you saying that it's a noticeable benefit, and with a standard agm battery you notice a power decrease as the voltage decreases?
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Philip Clemmons
Owner, P&P Performance
- Location
- Richmond, Va
First of all I am not a fan of running the ETX 9. It is one third of the CCA of the stock battery. You will typically run into problems with extended cranking or big cc, big compression motors with it.
Now, as far as the total loss goes, keep in mind that lead acid batteries, including AGM, are not designed to be rundown and recharged repeatedly. This greatly reduces their life and their performance. In addition as they run down over the course of the day, they lose voltage and thus your ignition, starter, and all other electrical equipment will gradually run on lower voltage and thus be required to consume higher current to do the same amount of work. (W=VA). If you lose volts, you need amps to make it up.
Lithium batteries, on the other hand, are designed to be rundown and recharged multiple times. If you look for the data sheets on the particular cells in your LiFe battery, you will find the cycle life is rated in the thousands. This means that they are well-suited for the constant running down in recharging that we subject into with total loss.
However, the only catch is that they are very sensitive to being over discharged (meaning run down too low), and are subject to irreversible damage if this occurs. This is the reason that most companies do not want to warranty them for total loss, as they fear that they will be run down below the minimum operating voltage, thus causing cell damage to the battery, which is not covered under warranty.
To answer your question about the voltage specifically, the life cells that we use maintain a constant voltage around 13.2 to 13.3 V, from fully charged to almost fully discharged. This means that our electronics see the same 13.2 V for the course of a riding day. The fact that it remains at 13.2 rather than 12.4 to 12.6 like an AGM, means that we will have slightly improved ignition and starter performance due to the higher voltage. This higher voltage also means reduced current to the starter and start relay, meaning easier starting and hopefully longer starter and starter relay life.
Once again the biggest issues/benefits are seen on the bigger CC motors with high compression.
I've been selling battery kits and ignition kits to customers for years with few to no issues. This is because I sell proper chargers, spec the right battery for the application, and do some additional waterproofing on the cells to be sure that they do not get water damage. I run the same stuff in my personal boats, and in all the competition boats that I sponsor and build. I only sell what I use myself and what I truly believe is the best product. However, as previously mentioned, most issues are customer use/care. Battery failures are rare. Impact damage, water intrusion, and improper charging/operation is far more common, and not the batteries fault.
Wow. That is a lot of great info that needs to be stickied! Very good to know.. Thanks!
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- Location
- Central Illinois
I've been lurking on this thread and others like it for the last few years. When I set out to build my ski last year, the entire goal was to keep everything as light as possible. I tried a life battery in my last ski and it lasted half a summer before the internals got wet and started dropping cells. I did some research and ended up going a different route than what has been discussed on the X. I am actually running a bank of 12 300 farad ultracapacitors in small enclosure that weights less than 3 lbs and has about 600cca. The advantage is that you can completely discharge and recharge them over 1 million times with no performance loss, as well as quick charge the pack with any charger from dead to full in about 2 minutes. The disadvantage is that there isn't a lot of stored current so you get about 10-12, 3 second cranks before the voltage is too low to start your ski. This will not be a good choice for a TL set-up, but has been working fine for my lightened charging system and no bilge pumps. These capacitors are sealed themselves so they can be submerged with no issues. Keeping water from corroding the connections is the only concern. I completely packed my enclosure with dielectric grease during assembly and haven't had any problems. I've been reluctant to post, as I didn't want to stir up a bunch of controversy, but figured I'd share my way around a 10lb battery.