Search found 401 matches

by cricketo
Aug 09 2019 4:57pm
Forum: EV Business World
Topic: Tesla Model 3
Replies: 985
Views: 62181

Re: Tesla Model 3

There is no reason you can't make an electric car conversion look and behave like a normal car. It just depends on how much work you want to do and what your priorities are. The reason is you can't accommodate the size and weight of a reasonably sized power pack in a conventional chassis. That is t...
by cricketo
Aug 09 2019 1:34pm
Forum: EV Business World
Topic: Tesla Model 3
Replies: 985
Views: 62181

Re: Tesla Model 3

DIYers have built some with over 200 mile ranges using recycled batteries. Not rocket science. I agree that a 50 miler would be very easy and cheap. Well under 10k. :wink: Turns out it's quite a rocket science to do it in a fashion where it still looks and behaves like a normal car. I don't doubt s...
by cricketo
Aug 09 2019 9:30am
Forum: EV Business World
Topic: Tesla Model 3
Replies: 985
Views: 62181

Re: Tesla Model 3

neptronix wrote:
Aug 09 2019 8:59am
I've thought about building up an electric car, rather than buying one. These sorts of events make me think it's worth the time to roll your own conversion. Although you couldn't ask for a better chassis than the model 3's.
Yes, you can easily make your own that goes 50 miles on a charge :lol:
by cricketo
Aug 01 2019 12:23pm
Forum: EV Business World
Topic: Tesla Model 3
Replies: 985
Views: 62181

Re: Tesla Model 3

Despite major damage to the vehicle and two of the battery modules being breached from the violent impact, none of the Model 3’s 2170 cells burst into flame.

https://www.teslarati.com/tesla-model-3 ... -pictures/
by cricketo
Jul 30 2019 10:02am
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 4884
Views: 186392

Re: Wind and Solar vs Coal, Gasoline, Nuclear

The Megapack will be utilized for an upcoming energy storage project hosted by Pacific Gas and Electric Company (PG&E) in Moss Landing, California once final approval from the state’s Public Utilities Commission is received. Under the project, Tesla’s battery-powered utility installation will store...
by cricketo
Jul 20 2019 9:28pm
Forum: E-Vehicles General Discussion
Topic: Sevcon Gen 4 Programing
Replies: 2
Views: 466

Re: Sevcon Gen 4 Programing

I'm a bit confused... I have two ME1004 motors, they're permanent magnet brush DC motors... how are you setting up Sevcon Gen 4 intended for 3 phase AC motors with such motor ?
by cricketo
Jul 20 2019 9:25pm
Forum: E-Vehicles General Discussion
Topic: Tax Credit?-->Putting two solar panels on house....charges e-bike.
Replies: 5
Views: 565

Re: Tax Credit?-->Putting two solar panels on house....charges e-bike.

The answer is : it depends. Assuming you're in the US, you qualify for the federal tax credit if : 1) the component(s) in question are new (as opposed to used) 2) used exclusively in conjunction with the solar system If any of the components are used, you need to exclude them from your filing. Also ...
by cricketo
Jul 17 2019 11:37pm
Forum: Battery Technology
Topic: Soldering to aluminium
Replies: 6
Views: 294

Re: Soldering to aluminium

Another trick is to spot-weld a sandwich: two spot-weldable pieces around a non-spot-weldable one such aluminum.
by cricketo
Jul 17 2019 9:56pm
Forum: Battery Technology
Topic: Fantastic BMS And Where To Find Them (?)
Replies: 24
Views: 1133

Re: Fantastic BMS And Where To Find Them (?)

Lets us know how your support with Energus continues, best of luck. I got a few replies to my e-mails from EnergusPS which aren't useful. First of all, they completely ignored the one about TinyBMS destroying one of my modules. The only replies (4-5 days between each) I received were to the questio...
by cricketo
Jul 16 2019 9:16am
Forum: Battery Technology
Topic: BMS that starts balancing at a set point/different voltage?
Replies: 17
Views: 492

Re: BMS that starts balancing at a set point/different voltage?

eikido wrote:
Jul 16 2019 2:34am
Yes.
According to these studies:
https://batteryuniversity.com/learn/art ... _batteries

Actually around 75%.
Thank you!
by cricketo
Jul 16 2019 2:18am
Forum: Battery Technology
Topic: BMS that starts balancing at a set point/different voltage?
Replies: 17
Views: 492

Re: BMS that starts balancing at a set point/different voltage?

So would you recommend me to do as i've done previously? Charge to 80% to optimize capacity and lifetime of the battery pack and from time to time fully charge it to balance the pack? I only like high quality batteries from the big names. I assume your 80% number is based on some scientific study ?
by cricketo
Jul 13 2019 10:57pm
Forum: Battery Technology
Topic: I'm having problems with my Tiny BMS
Replies: 10
Views: 1160

Re: I'm having problems with my Tiny BMS

circuit wrote:
Jan 23 2018 1:32pm
Yup, sounds like its damaged. This is a fairly easy repair, so drop an email at: support at energusps dot com and you will get a quotation.
LOL! Their support is terrible, if you buy a TinyBMS you're pretty much on your own.
by cricketo
Jul 06 2019 11:27am
Forum: Battery Technology
Topic: Chargery support
Replies: 7
Views: 307

Re: Chargery support

I reached out to seller on Ebay (azlithium) I bought the charger from, he sent Jason another e-mail... and I finally got a response! Jason only stated he will be shipping my charger promptly, nothing else. Will see, I guess.
by cricketo
Jul 04 2019 10:05am
Forum: Items for Sale - New
Topic: New Chargery 1500 24s charger
Replies: 64
Views: 6643

Re: New Chargery 1500 24s charger

He will take care of it. I have a couple that need repair myself. It's a great charger, but too many failures. Jason says that latest design uses a higher rated tvs diode. To prevent the dreaded pop on open circuit. Sometimes it's only the anti-spark board. Easy repair. If power fuse is blown, it c...
by cricketo
Jul 04 2019 9:50am
Forum: Battery Technology
Topic: Chargery support
Replies: 7
Views: 307

Re: Chargery support

Try make a deal. Nobody to make the deal with. I bought the charger through US reseller on Ebay. Then when it broke, I reached out to the manufacturer (Jason) to see what can be done. In fact I also posted here on the forum in another thread, and somebody suggested "not a problem, Jason will take c...
by cricketo
Jul 02 2019 11:03pm
Forum: Battery Technology
Topic: Chargery support
Replies: 7
Views: 307

Re: Chargery support

It was delivered 2 months ago according to the tracking number. I sent Jason another e-mail, but still no reply. He used to reply pretty quickly in the past, so something is off this time.
by cricketo
Jun 29 2019 11:41pm
Forum: Battery Technology
Topic: How to recycle old Lipos?
Replies: 4
Views: 247

Re: How to recycle old Lipos?

I take mine to Batteries Plus. Couple of times they were hesitant to take bigger cells such as those that came out of Hybrids and EVs, but so far no rejections.
by cricketo
Jun 29 2019 9:40pm
Forum: Items for Sale - New
Topic: 5-16S Smart Tiny BMS preorder - 30/150/750A rated
Replies: 185
Views: 30261

Re: 5-16S Smart Tiny BMS preorder - 30/150/750A rated

Has anyone else found a small real time display to work with the Tiny BMS? I emailed the seller/distributor from their web page and never got a response. What is support like on these currently? Hehe, it's called "maybe support." Those guys don't seem to be too interested in feedback and improvemen...
by cricketo
Jun 29 2019 11:41am
Forum: Battery Technology
Topic: Fantastic BMS And Where To Find Them (?)
Replies: 24
Views: 1133

Re: Fantastic BMS And Where To Find Them (?)

Lets us know how your support with Energus continues, best of luck. So far (week later) no response from them, I will shoot them another e-mail next week just in case. Meanwhile I was trying to get that pack balanced with TinyBMS and still no visible luck. Here are screenshots showing the problem.....
by cricketo
Jun 28 2019 9:50am
Forum: Battery Technology
Topic: Chargery support
Replies: 7
Views: 307

Re: Chargery support

It's not about buying... I already bought it, broke it, sent it for repairs after communicating with Jason, and never heard back in two months.
by cricketo
Jun 27 2019 10:22pm
Forum: Battery Technology
Topic: Chargery support
Replies: 7
Views: 307

Chargery support

Folks, Has anyone dealt with Jason from Chargery recently ? My charger burned because apparently it can't be used in Power Supply mode with a BMS, and I sent it to Jason for repair some 2 months ago. I haven't heard from him since, and sent an e-mail about a week ago to check on the status... and no...
by cricketo
Jun 27 2019 10:04am
Forum: E-Vehicles General Discussion
Topic: Wind and Solar vs Coal, Gasoline, Nuclear
Replies: 4884
Views: 186392

Re: Wind and Solar vs Coal, Gasoline, Nuclear

furcifer wrote:
Jun 27 2019 5:55am

It would be easy to assume as the temperature goes up, the water vapour goes up, the cloud cover increases, and more sunlight gets reflected back into space. Problem solved.
Water vapor is a green house gas. So I'd imagine the problem isn't solved, it gets worse.
by cricketo
Jun 26 2019 7:48pm
Forum: Battery Technology
Topic: Fantastic BMS And Where To Find Them (?)
Replies: 24
Views: 1133

Re: Fantastic BMS And Where To Find Them (?)

Thank you for the information and transparency cricketo. It alleviates my concerns of the software automatically shutting down the BMS randomly. I completely agree with your concern on the failure mode, I'm not sure why it was designed this way (Plug in order - Main leads then the balance wires and...
by cricketo
Jun 26 2019 3:25pm
Forum: Battery Technology
Topic: Fantastic BMS And Where To Find Them (?)
Replies: 24
Views: 1133

Re: Fantastic BMS And Where To Find Them (?)

I have an Energus bms waiting to be wired up,,, Do you know why the board lost power? Out of curiosity were there any switches or fuses between the main battery cables and the BMS? Yes, it was my fault. However, it is the failure mode that is the concern. In the real world all kinds of things can h...
by cricketo
Jun 25 2019 11:34pm
Forum: Battery Technology
Topic: Fantastic BMS And Where To Find Them (?)
Replies: 24
Views: 1133

Re: Fantastic BMS And Where To Find Them (?)

About 4x the price of a chinese version but given you previous experience & requirements that might be a non issue for you; https://www.energusps.com/shop/product/tiny-bms-s516-150a-750a-36 I haven't used one, but they appear to be well made with top spec parts. Very compact, smallest I've seen wit...