Search found 268 matches

by BMI
Aug 26 2011 7:10am
Forum: Battery Technology
Topic: 100a PSI fuse
Replies: 7
Views: 666

Re: 100a PSI fuse

I have 100A and 150A fuseable cell links if these are what you are looking for. PM me if you need some.
150A fuses and copper cell links.JPG
150A fuses and copper cell links.JPG (190.54 KiB) Viewed 50 times
by BMI
Jan 22 2011 9:00pm
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

Jeremey, I speak about things I have experience with or I know are fact (due to actual factory testing results etc.). You on the other hand are willing to make statements and criticize products which you have no experience with or never tried yourself. Did you know that approx 25% of Headway cells a...
by BMI
Jan 21 2011 8:09pm
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

Very true, but why let the true topic of this thread (which is using Headway cells to start a diesel Landover) get in the way of more of Armin's advertising bullshit? Jeremy Spacey explained that the Headway's didn't have quite enough "oomph" in his test. I simply explained why and offered a possib...
by BMI
Jan 19 2011 8:17pm
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

One issue to consider is LiFePO output sag when cold. The SERIOUSLY drop off when cold. See the plot about half way down the first post in my thread http://endless-sphere.com/forums/viewtopic.php?f=14&t=20698&hilit=and+other+effects#p301558 They also sag quite a bit in voltage under heavy loads. Do...
by BMI
Jan 19 2011 8:05pm
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

Calm down guys. BTT:Is there any experience about charging LiFePo4 round cells (4s) with a car alternator / motorcycle reg/rec? What do you call "experience"? I have had my BMI 12V 20Ah LiFePO4 battery in my work car (6 cylinder Toyota Camry wagon) for two and a half years already starting the car ...
by BMI
Jan 19 2011 7:31am
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

Mods, can we stop Amin persistently infiltrating threads about other batteries just to market his battery crap, please? I'm well and truly fed up with him spouting BS on threads that are totally unrelated to the products he's pushing. Jeremy This thread was all about Spacey not being able to start ...
by BMI
Jan 18 2011 9:04pm
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

Nice try at another bit of not-so-subtle advertising, Amin, but I don't believe that even the Lifetech power cells would start the Landrover engine (that is the topic of this post) that Spacey tried to start. Jeremy Well I can tell you you are absolutely wrong. I can tell you that if our X1P cells ...
by BMI
Jan 18 2011 5:36am
Forum: Battery Technology
Topic: Tried to start a car with Headway pack today
Replies: 72
Views: 5581

Re: Tried to start a car with Headway pack today

Well there was me bragging about how much better these new Lifepo4 batteries are (which they are), so I decided to prove my point by taking 8 x 12ah Headway cells and paralleling them up to make a 24ah 12v battery. Now the test vehicle was a farmers 2.2 litre Diesel landrover, it did crank over a c...
by BMI
Dec 07 2010 8:35am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

Are you now telling us that the cells you are supplying do not contain enough lithium to be a potential fire hazard, even when sent as typical EV size shipments? Jeremy I am telling you that our LiFePO4 batteries have passed the most stringent testing and will not catch on fire even if the batterie...
by BMI
Dec 07 2010 8:11am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

Again, as I said before, any energy stored in an LiFePO4 battery is stored as elemental lithium. I don't care whether or not the lithium atoms are adjacent, making a piece of "metal" or not, they are still metallic and will react as such. There's no getting around basic chemistry. Whether you belie...
by BMI
Dec 06 2010 8:57pm
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

The regs currently require shippers to give an 'equivalent metallic lithium' content, I believe, and they base the risk assessment on that, using an assumption that the lithium content will become metallic in the event of a fire. Jeremy Please explain how a LiFeTech LiFePO4 battery which has "ZERO ...
by BMI
Dec 06 2010 8:50am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

There's nothing magical about the lithium in your cells that makes it non-flammable. The issue here is one of fire hazard, not charging or mechanical safety. If there is a source of ignition in a cargo hold, from any cause (electrical fault, some other cargo over-heating, chemical reaction, whateve...
by BMI
Dec 06 2010 8:22am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

Prove it. Show me evidence that the lithium in a LiFePO4 cell isn't every bit as as flammable as the lithium in any other cell. Jeremy I am only speaking about LiFeTech LiFePO4 batteries. LiFeTech batteries will absolutely not catch on fire unless you actually put them into an existing fire. I cann...
by BMI
Dec 06 2010 8:16am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

First off, the investigation into the CAUSE of the Sept 3rd Dubai accident to N571UP isn't yet known, so we cannot say how or why the fire started and speculation simply hampers getting at the true cause. It may well be that the fire had nothing at all to do with the batteries being carried, the fi...
by BMI
Dec 06 2010 8:05am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

Jeremy Harris wrote:
It's also worth noting that ALL lithium chemistry batteries present a substantial fire hazard, including LiFePO4.

Jeremy
Absolutely disagree with you here. Totally incorrect.
by BMI
Dec 05 2010 6:33am
Forum: Battery Technology
Topic: lithium shipping hazmat fees
Replies: 73
Views: 5224

Re: lithium shipping hazmat fees

This extra charge is only applicable to any lithium ion batteries shipped/sold in the USA. The charge does not apply to any customers outside of the USA (at the present time). The charge may rise further once the IATA lithium battery shipping regulations are reviewed. This has come about due to seve...
by BMI
Dec 05 2010 4:34am
Forum: Battery Technology
Topic: 72v battery ?
Replies: 7
Views: 986

Re: 72v battery ?

I recently supplied a 72V 15Ah XPS LiFeTech LiFePO4 battery to a guy for his custom e-bike conversion. He sent me a couple of pics of his e-bike "creation" using the standard factory LiFeTech pack. He tells me the top speed of his bike is around 100kph (60mph). You wouldn't get me on that bike at th...
by BMI
Dec 04 2010 1:54am
Forum: Battery Technology
Topic: After 10 Yrs, 3000 Cycles, LiFePO4 Batteries at 80% capacity
Replies: 10
Views: 2071

Re: After 10 Yrs, 3000 Cycles, LiFePO4 Batteries at 80% capa

what cells do they use, Lock? MC Valence uses their small 18650 size Saphion cells to make up their large format packs. Below is a photo showing what the cells look like. This is a box load of cells I had left over from a few years ago when I was offered to become a Valence representative/distribut...
by BMI
Oct 28 2010 7:20pm
Forum: Battery Technology
Topic: where to find PSI cells?
Replies: 40
Views: 3193

Re: where to find PSI cells?

NEWS FLASH: The cells would have EXACTLY the same Ri if one removed the green shrink and applied RED to one, GREY to another, and BLACK to a third. :lol: Just like Headway can produce two different cells with the same physical size, the exact same can and hardware, same type of serial number label,...
by BMI
Oct 28 2010 6:23am
Forum: Battery Technology
Topic: where to find PSI cells?
Replies: 40
Views: 3193

Re: where to find PSI cells?

dequinox, I disagree respectfully with your points. You discurage members from posting? There is so little discussion about quality cells , no doubt PSI ARE QUALITY CELL that is very interesting to read all this discussions including business dealings. When you want to buy cell, would you be not in...
by BMI
Oct 23 2010 6:33am
Forum: Battery Technology
Topic: where to find PSI cells?
Replies: 40
Views: 3193

Re: where to find PSI cells?

The cells are current production fresh cells from PSI - there's no "old" anything. Andy There is actually...they are"old technology". PSI cells use "old technology" when compared to the manufacturing methods used for the latest cells that are available. That is not to say they are not good cells si...
by BMI
Oct 05 2010 12:58am
Forum: Battery Technology
Topic: LifeBatt introduces new packs
Replies: 32
Views: 2553

Re: LifeBatt introduces new packs

Are those metal cans on the finned units isolated or negative or something? I will need to check with the factory but I think it would be a safe bet to say the metal heatsink can is insulated from the live anode and cathode stud terminal ends. The electrical terminal conductor ends are silver plate...
by BMI
Oct 04 2010 8:30pm
Forum: Battery Technology
Topic: LifeBatt introduces new packs
Replies: 32
Views: 2553

Re: LifeBatt introduces new packs

BMI, What's the expected price range of the high power 20ah cells per wh please? Yes the e-bike I am building does need 300A capability because the dual motors will each draw over 100A peaks on hard accelerations. Plus all things considered I'd always opt for higher power, since the lower IR means ...
by BMI
Oct 02 2010 10:38pm
Forum: Battery Technology
Topic: LifeBatt introduces new packs
Replies: 32
Views: 2553

Re: LifeBatt introduces new packs

The cylindricals should be - but the prismatics are absolutely not made by PSI. In fact I think I can clear this up for all concerned. I asked our factory about this and the cells (both cylindrical and prismatic) Lifebatt USA cells are not being made by PSI as such. They are being made for Don Harm...
by BMI
Oct 02 2010 10:26pm
Forum: Battery Technology
Topic: LifeBatt introduces new packs
Replies: 32
Views: 2553

Re: LifeBatt introduces new packs

there is no way to make such complicated alloy can with fins cheap way. This is going to be one VERY expensive cell. Obviously for any tech person it is obvious such fins you would only need in car applications. A123 pouch do not have fins. MC micro13car my concern was also the cost of the cooling ...