# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=11 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 12 --- ## [Do you feel journey capacity anxiety when battery power is down to 25%?](https://community.electricforum.com/t/do-you-feel-journey-capacity-anxiety-when-battery-power-is-down-to-25/4094)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 2\ **Last updated:** [February 28, 2014, 4:51pm UTC](https://community.electricforum.com/t/do-you-feel-journey-capacity-anxiety-when-battery-power-is-down-to-25/4094 "2014-02-28T16:51:38Z")
A recent study in Germany found that a significant number of drivers using electric vehicles showed the same anxiety and concern when battery power fell to 25% to that experienced when a gasoline/petrol vehicle is flashi… --- ## [German study highlights increased journey anxiety in electric vehicles](https://community.electricforum.com/t/german-study-highlights-increased-journey-anxiety-in-electric-vehicles/4102)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [February 26, 2014, 6:02pm UTC](https://community.electricforum.com/t/german-study-highlights-increased-journey-anxiety-in-electric-vehicles/4102 "2014-02-26T18:02:33Z")
An interesting side effect of the growing electric vehicle market is the growing number of surveys and investigations into the industry and drivers. The issue of journey capacity and the relatively new issue of journey a… --- ## [BASF invests in electric battery power](https://community.electricforum.com/t/basf-invests-in-electric-battery-power/4097)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [February 25, 2014, 4:36pm UTC](https://community.electricforum.com/t/basf-invests-in-electric-battery-power/4097 "2014-02-25T16:36:02Z")
Chemical giant BASF has confirmed that it is setting aside a portion of its annual budget of €1.7 billion to target the battery market. Despite the fact that many companies have crashed and burned in this particular area… --- ## [Creating a standard battery](https://community.electricforum.com/t/creating-a-standard-battery/4093)
**Author:** [@GMG31](https://community.electricforum.com/u/GMG31)\ **Replies:** 0\ **Last updated:** [February 25, 2014, 4:46am UTC](https://community.electricforum.com/t/creating-a-standard-battery/4093 "2014-02-25T04:46:50Z")
I wish all of the major manufacturers would get together and agree on a simple achitecture for batteries so that every electric car has the same type of battery. Then commission a couple of companies to make and devlop… --- ## [Question about size of Cells?](https://community.electricforum.com/t/question-about-size-of-cells/3952)
**Author:** [@unleasher](https://community.electricforum.com/u/unleasher)\ **Replies:** 2\ **Last updated:** [February 23, 2014, 4:42am UTC](https://community.electricforum.com/t/question-about-size-of-cells/3952 "2014-02-23T04:42:44Z")
Hello, I looked this up but couldn't really find anything - I was wondering, why is it that most Li-ion batteries in EVs available today are all essentially smaller cells connected together? Is there a reason why bigge… --- ## [Electric cars and regenerative braking](https://community.electricforum.com/t/electric-cars-and-regenerative-braking/3433)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 1\ **Last updated:** [February 23, 2014, 4:36am UTC](https://community.electricforum.com/t/electric-cars-and-regenerative-braking/3433 "2014-02-23T04:36:19Z")
There is no doubt that electric cars and regenerative braking will have a much closer relationship in the future as electric car manufacturers look to squeeze every ounce of efficiency out of their vehicles. At this mome… --- ## [Researchers announce ground breaking battery technology](https://community.electricforum.com/t/researchers-announce-ground-breaking-battery-technology/4066)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [February 9, 2014, 1:01pm UTC](https://community.electricforum.com/t/researchers-announce-ground-breaking-battery-technology/4066 "2014-02-09T13:01:50Z")
Over the last few years much of the talk with regards to the electric vehicle sector has focused upon battery restrictions with many people calling for greater investment in the sector. There was a general consensus emer… --- ## [Battery Use](https://community.electricforum.com/t/battery-use/4051)
**Author:** [@easysavingtipsforhom](https://community.electricforum.com/u/easysavingtipsforhom)\ **Replies:** 0\ **Last updated:** [February 2, 2014, 11:52pm UTC](https://community.electricforum.com/t/battery-use/4051 "2014-02-02T23:52:07Z")
Just Quick Question: ..is there any Specific type of battery for storing the electricity from solar panel? Comments are welcome.. thank you --- ## [Switching plugin cables](https://community.electricforum.com/t/switching-plugin-cables/4012)
**Author:** [@aignarro](https://community.electricforum.com/u/aignarro)\ **Replies:** 0\ **Last updated:** [January 14, 2014, 1:02pm UTC](https://community.electricforum.com/t/switching-plugin-cables/4012 "2014-01-14T13:02:30Z")
I'm using a Bosch Power Max charger with a 25' cable. Cable is too short. I have a longer cable from a SPX 240v charge station. Can I switch cables? Are the 5 color coded wires the same on both units? --- ## [Are extended range electric vehicles the way forward?](https://community.electricforum.com/t/are-extended-range-electric-vehicles-the-way-forward/4002)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [January 12, 2014, 12:00pm UTC](https://community.electricforum.com/t/are-extended-range-electric-vehicles-the-way-forward/4002 "2014-01-12T12:00:16Z")
In a perfect world they would be no need to add range extenders to the modern day electric vehicle but the reality is that journey capacity is not quite there as yet. As a consequence, more and more electric car manufact… --- ## [What was the most surprising location you saw an EV charging station?](https://community.electricforum.com/t/what-was-the-most-surprising-location-you-saw-an-ev-charging-station/3989)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [January 8, 2014, 4:29pm UTC](https://community.electricforum.com/t/what-was-the-most-surprising-location-you-saw-an-ev-charging-station/3989 "2014-01-08T16:29:25Z")
While electric vehicle charging stations are appearing in all areas of the world, predominantly public places, we have seen reports of some relatively bizarre locations for electric vehicle charging stations. What was th… --- ## [Are soft tyres affecting your electric vehicle journey capacity?](https://community.electricforum.com/t/are-soft-tyres-affecting-your-electric-vehicle-journey-capacity/3988)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [January 8, 2014, 4:28pm UTC](https://community.electricforum.com/t/are-soft-tyres-affecting-your-electric-vehicle-journey-capacity/3988 "2014-01-08T16:28:49Z")
The journey capacity of the modern day electric vehicle can be impacted by so many relatively small factors such as soft tyres. While much of the concentration is upon driving style, recharging stations and reducing the … --- ## [Could we be on the verge of the first self-healing battery?](https://community.electricforum.com/t/could-we-be-on-the-verge-of-the-first-self-healing-battery/3887)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 1\ **Last updated:** [January 6, 2014, 3:11am UTC](https://community.electricforum.com/t/could-we-be-on-the-verge-of-the-first-self-healing-battery/3887 "2014-01-06T03:11:55Z")
In what could turn out to be one of the major battery technology events of the last 100 years, Stanford University has announced the creation of the first self-healing battery. This sounds very grand and very eye-catchin… --- ## [Is Samsung about to join the EV party?](https://community.electricforum.com/t/is-samsung-about-to-join-the-ev-party/3944)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [December 20, 2013, 1:17am UTC](https://community.electricforum.com/t/is-samsung-about-to-join-the-ev-party/3944 "2013-12-20T01:17:49Z")
While Samsung is very heavily associated with electronics, the company is today surrounded by mystery after a number of patent applications appeared in the US and Korea. This is not the first time the company has been li… --- ## [Do have charging facilities at your place of work?](https://community.electricforum.com/t/do-have-charging-facilities-at-your-place-of-work/3929)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [December 13, 2013, 4:03pm UTC](https://community.electricforum.com/t/do-have-charging-facilities-at-your-place-of-work/3929 "2013-12-13T16:03:02Z")
While more and more companies are now offering recharging services for the employees - have you seen evidence of this at your place of work? --- ## [Error code #04](https://community.electricforum.com/t/error-code-04/3736)
**Author:** [@simon](https://community.electricforum.com/u/simon)\ **Replies:** 3\ **Last updated:** [December 3, 2013, 6:56pm UTC](https://community.electricforum.com/t/error-code-04/3736 "2013-12-03T18:56:25Z")
i have GEM car 72 volts, when i switch it on it shows the error code 04, what does it mean ? anyone can help me on this? thanks in advance.... --- ## [Controller Queries](https://community.electricforum.com/t/controller-queries/3897)
**Author:** [@tojo](https://community.electricforum.com/u/tojo)\ **Replies:** 0\ **Last updated:** [November 25, 2013, 3:28am UTC](https://community.electricforum.com/t/controller-queries/3897 "2013-11-25T03:28:48Z")
Hi All, Can someone help me. I am having controller failure and wondering if I have a mis match on battery amps or something. I have 5kw/72v Motor with a 600amps controller and I am using a 6/12v Gel type battery with 1… --- ## [BMW looking for return on $2.7 billion electric vehicle investment](https://community.electricforum.com/t/bmw-looking-for-return-on-2-7-billion-electric-vehicle-investment/3884)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [November 19, 2013, 3:54pm UTC](https://community.electricforum.com/t/bmw-looking-for-return-on-2-7-billion-electric-vehicle-investment/3884 "2013-11-19T15:54:58Z")
While it may have taken BMW a little longer than other manufacturers to grasp the electric vehicle nettle, the boutique vehicle manufacture is certainly making up for lost time. The company is adamant that its “i” range … --- ## [New York authorities test electric car charging manhole covers](https://community.electricforum.com/t/new-york-authorities-test-electric-car-charging-manhole-covers/3885)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 0\ **Last updated:** [November 19, 2013, 3:54pm UTC](https://community.electricforum.com/t/new-york-authorities-test-electric-car-charging-manhole-covers/3885 "2013-11-19T15:54:58Z")
The name HEVO is one you could hear a lot more over the next few years after the company released an intelligent manhole cover which is capable of recharging an electric vehicle, wirelessly, while parked above it. This i… --- ## [External charger hookup](https://community.electricforum.com/t/external-charger-hookup/3883)
**Author:** [@TROPHYman](https://community.electricforum.com/u/TROPHYman)\ **Replies:** 0\ **Last updated:** [November 19, 2013, 3:28pm UTC](https://community.electricforum.com/t/external-charger-hookup/3883 "2013-11-19T15:28:38Z")
I've got a 2002 GEM with a bad onboard Q charger, I purchased a 72V Schumacher Charger but can seem to get it to work on the GEM. I believe I've got the leads to the correct points but not sure, doe anyone have any exper… --- ## [Building large battery packs](https://community.electricforum.com/t/building-large-battery-packs/3816)
**Author:** [@shaman](https://community.electricforum.com/u/shaman)\ **Replies:** 0\ **Last updated:** [October 24, 2013, 9:22pm UTC](https://community.electricforum.com/t/building-large-battery-packs/3816 "2013-10-24T21:22:33Z")
Hi, I'm doing a major EV project and building the battery pack for it. The project uses A123 cylindrical cells in a 15S32P config. Any ideas on how the most efficient way to connect the batteries together? For the 32P sh… --- ## [Charging 101](https://community.electricforum.com/t/charging-101/3794)
**Author:** [@evinstitute](https://community.electricforum.com/u/evinstitute)\ **Replies:** 6\ **Last updated:** [October 21, 2013, 1:34pm UTC](https://community.electricforum.com/t/charging-101/3794 "2013-10-21T13:34:23Z")
A blog post I did for my company that gives a basic overview of EV charging. Let me know what you think! Electric Vehicle Charging 101 | Electric Vehicle Institute Blog --- ## [Brush diagram](https://community.electricforum.com/t/brush-diagram/3806)
**Author:** [@Dwain\_the\_2nd](https://community.electricforum.com/u/Dwain_the_2nd)\ **Replies:** 0\ **Last updated:** [October 21, 2013, 6:40am UTC](https://community.electricforum.com/t/brush-diagram/3806 "2013-10-21T06:40:44Z")
I have just aquired an older bravo 168 with 8 brushes and when I went to replace them I found them to be new. However, I noticed the numbers someone had written on one part of the statter didn't jive with other numbers s… --- ## [Driving at slow speeds](https://community.electricforum.com/t/driving-at-slow-speeds/508)
**Author:** [@voltsrus](https://community.electricforum.com/u/voltsrus)\ **Replies:** 17\ **Last updated:** [October 3, 2013, 3:21am UTC](https://community.electricforum.com/t/driving-at-slow-speeds/508 "2013-10-03T03:21:36Z")
I just purchased a new neighborhood electric vehicle which has been "tuned" to go at a maximum speed of 42 MPH. This vehicle has not yet been delivered to me, but I have been practicing driving at 25, 35 and 42 MPH in my… --- ## [Gem overheats up hill](https://community.electricforum.com/t/gem-overheats-up-hill/3781)
**Author:** [@filoncmike](https://community.electricforum.com/u/filoncmike)\ **Replies:** 0\ **Last updated:** [October 2, 2013, 10:06am UTC](https://community.electricforum.com/t/gem-overheats-up-hill/3781 "2013-10-02T10:06:12Z")
My Gem has new batteries and the charger is programmed correctly. All cables are tight. We live by the beach and have to go up a 3% grade for two blocks to get to PCH. The Gem looses 2 bars and then shuts down to 3 mph. … --- ## [E4 Heater](https://community.electricforum.com/t/e4-heater/3765)
**Author:** [@JohnnyBGood](https://community.electricforum.com/u/JohnnyBGood)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 6:10pm UTC](https://community.electricforum.com/t/e4-heater/3765 "2013-09-27T18:10:16Z")
My 2009 e4 heater only blow cold air. anyone know what may be wrong? I thought maybe they had a heat strip that had went out. Thoughts anyone? --- ## [eMPG](https://community.electricforum.com/t/empg/3766)
**Author:** [@Dr\_Kangel](https://community.electricforum.com/u/Dr_Kangel)\ **Replies:** 2\ **Last updated:** [September 24, 2013, 7:10pm UTC](https://community.electricforum.com/t/empg/3766 "2013-09-24T19:10:58Z")
eMPG = electric (equivalent) Miles Per Gallon Based on electricity at $.11/kWh and gasoline at $4/gallon, my modified eZip gets between 1500 and 2500 eMPG! Dependent on speed and terrain, of course. 20mph commuting vs … --- ## [How much could you save on gas for a year?](https://community.electricforum.com/t/how-much-could-you-save-on-gas-for-a-year/518)
**Author:** [@SerpaDesigns](https://community.electricforum.com/u/SerpaDesigns)\ **Replies:** 10\ **Last updated:** [September 24, 2013, 1:23am UTC](https://community.electricforum.com/t/how-much-could-you-save-on-gas-for-a-year/518 "2013-09-24T01:23:55Z")
How much could you save on gas for a year? (If you chose an EV) Visit: www.AfterOilEV.com to find out. --- ## [Li ion battery manufacturer](https://community.electricforum.com/t/li-ion-battery-manufacturer/3727)
**Author:** [@tzy800413](https://community.electricforum.com/u/tzy800413)\ **Replies:** 0\ **Last updated:** [August 29, 2013, 7:28pm UTC](https://community.electricforum.com/t/li-ion-battery-manufacturer/3727 "2013-08-29T19:28:48Z")
Hi friends, Does here anybody want to know a professional lithium ion battery manufacturer ? skype:bettermantan --- ## [12 volt vs 8 volt](https://community.electricforum.com/t/12-volt-vs-8-volt/3722)
**Author:** [@alonzo](https://community.electricforum.com/u/alonzo)\ **Replies:** 0\ **Last updated:** [August 24, 2013, 12:23pm UTC](https://community.electricforum.com/t/12-volt-vs-8-volt/3722 "2013-08-24T12:23:41Z")
Just thinkin'. I have a car with 15 8 volt batteries. Does anyone out there know if I could switch 3 8 volts for 2 12 volts . Would the car run with 12 8 volts and 2 12 volts?:confused: [Previous page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=10) [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=12)