# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=6 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 7 --- ## [Series motor with 4Q controller](https://community.electricforum.com/t/series-motor-with-4q-controller/6400)
**Author:** [@nevbuggie](https://community.electricforum.com/u/nevbuggie)\ **Replies:** 1\ **Last updated:** [October 7, 2016, 6:03pm UTC](https://community.electricforum.com/t/series-motor-with-4q-controller/6400 "2016-10-07T18:03:09Z")
Hello all, I have a boat with a brushed series wound 36VDC motor, and I was interested in using a four-quadrant controller to provide seamless forward/reverse control with one stick and no switches. I realize that th… --- ## [When do you think free EV charging will end?](https://community.electricforum.com/t/when-do-you-think-free-ev-charging-will-end/6134)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 2\ **Last updated:** [September 29, 2016, 5:27am UTC](https://community.electricforum.com/t/when-do-you-think-free-ev-charging-will-end/6134 "2016-09-29T05:27:06Z")
At the moment many electric car charging stations are toll-free but surely this cannot last forever? Do you think free charging will end soon or could paying for charging potentially kill the market before it has really … --- ## [Battery test you can take to the bank](https://community.electricforum.com/t/battery-test-you-can-take-to-the-bank/6371)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [September 20, 2016, 9:12pm UTC](https://community.electricforum.com/t/battery-test-you-can-take-to-the-bank/6371 "2016-09-20T21:12:31Z")
Batteries can fool you. You can check voltage. and it will be right. You can check chemistry etc. However the most definitive check you can make is a test under load, in the cart. You will need a VOM with long leads a… --- ## [Rewiring 36V battery ti 12V?](https://community.electricforum.com/t/rewiring-36v-battery-ti-12v/6346)
**Author:** [@Pedrinho](https://community.electricforum.com/u/Pedrinho)\ **Replies:** 1\ **Last updated:** [September 11, 2016, 5:34pm UTC](https://community.electricforum.com/t/rewiring-36v-battery-ti-12v/6346 "2016-09-11T17:34:30Z")
Hi there people! I'm very fresh here and I realise that my post might not be entirely within subject of this forum but as i take same principals apply arpund EV vehicle words I'm looking for help here. My question … --- ## [72 Volt Charging](https://community.electricforum.com/t/72-volt-charging/6308)
**Author:** [@wentbig](https://community.electricforum.com/u/wentbig)\ **Replies:** 3\ **Last updated:** [August 23, 2016, 5:59pm UTC](https://community.electricforum.com/t/72-volt-charging/6308 "2016-08-23T17:59:15Z")
I want to know if anyone sells a 72V trickle charger. I want to put my Gem on charge for winter storage. My Zivan shuts off after a charge. Currently I plug into a lamp timer and charge 3 hours every 24 hours. Seems dumb… --- ## [Review: voltage reference](https://community.electricforum.com/t/review-voltage-reference/6278)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 0\ **Last updated:** [July 30, 2016, 2:57pm UTC](https://community.electricforum.com/t/review-voltage-reference/6278 "2016-07-30T14:57:13Z")
With lithium batteries, a few mv can be important. Ever wonder how well your tool box meter is holding up? $10 and a 9v battery connector gets you a 4.096 volt precision source. Connect voltmeter. It's that easy. The… --- ## [A questionnaire for EV users ,](https://community.electricforum.com/t/a-questionnaire-for-ev-users/6276)
**Author:** [@vincentwang](https://community.electricforum.com/u/vincentwang)\ **Replies:** 1\ **Last updated:** [July 29, 2016, 9:25am UTC](https://community.electricforum.com/t/a-questionnaire-for-ev-users/6276 "2016-07-29T09:25:16Z")
I'm an MSc student from Newcastle University study Intelligent Transport Systems. I'm conducting a survey on EV battery degradation as part of my dissertation project. I would be very grateful if you could complete the q… --- ## [US government to underwrite $4.5 billion charging infrastructure loans](https://community.electricforum.com/t/us-government-to-underwrite-4-5-billion-charging-infrastructure-loans/6258)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 1\ **Last updated:** [July 24, 2016, 8:15am UTC](https://community.electricforum.com/t/us-government-to-underwrite-4-5-billion-charging-infrastructure-loans/6258 "2016-07-24T08:15:21Z")
Over the years the US government has loaned billions of dollars to the electric car industry, with a varying degree of success, however the announcement of plans to underwrite $4.5 billion of charging infrastructure loan… --- ## [Jaguar Land Rover, Ford and BMW in battery factory talks](https://community.electricforum.com/t/jaguar-land-rover-ford-and-bmw-in-battery-factory-talks/6257)
**Author:** [@Editor](https://community.electricforum.com/u/Editor)\ **Replies:** 1\ **Last updated:** [July 24, 2016, 8:14am UTC](https://community.electricforum.com/t/jaguar-land-rover-ford-and-bmw-in-battery-factory-talks/6257 "2016-07-24T08:14:50Z")
In a direct threat to Tesla’s seemingly dominant position in the electric car battery market it has been reported that Jaguar Land Rover, Ford and BMW are currently in talks about building a giant battery factory. There … --- ## [End to free EV charging in the UK?](https://community.electricforum.com/t/end-to-free-ev-charging-in-the-uk/6230)
**Author:** [@tmark938](https://community.electricforum.com/u/tmark938)\ **Replies:** 2\ **Last updated:** [July 18, 2016, 1:27pm UTC](https://community.electricforum.com/t/end-to-free-ev-charging-in-the-uk/6230 "2016-07-18T13:27:48Z")
It looks as though we may be nearing the end of free EV charging in the UK a lot quicker than many had expected. At the end of the day we all knew this would happen but this soon? Full article:- End to free charging … --- ## [Samsung in talks with BYD](https://community.electricforum.com/t/samsung-in-talks-with-byd/6217)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [July 16, 2016, 5:17am UTC](https://community.electricforum.com/t/samsung-in-talks-with-byd/6217 "2016-07-16T05:17:04Z")
Samsung is rumoured to be on the verge of investing $450 million in Chinese electric car and battery manufacturer BYD. While the two parties have yet to confirm the size of any potential investment it is believed that Sa… --- ## [Israeli start-up tests new on-board EV generator](https://community.electricforum.com/t/israeli-start-up-tests-new-on-board-ev-generator/6200)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 3\ **Last updated:** [July 14, 2016, 1:16pm UTC](https://community.electricforum.com/t/israeli-start-up-tests-new-on-board-ev-generator/6200 "2016-07-14T13:16:37Z")
Israeli start-up Aquarius Engines has announced a partnership with PSA Group (the manufacturer of Peugeot, Citron and DS cars) which could have major ramifications for the electric car industry. This new technology will … --- ## [Should I buy this motor?](https://community.electricforum.com/t/should-i-buy-this-motor/6174)
**Author:** [@andybarrett22](https://community.electricforum.com/u/andybarrett22)\ **Replies:** 1\ **Last updated:** [July 2, 2016, 4:14pm UTC](https://community.electricforum.com/t/should-i-buy-this-motor/6174 "2016-07-02T16:14:29Z")
I just recently got interested in doing an ev conversion as my next project. A friend of my family herd about it and was willing to sell me a 100 hp dc 230/460 volt electric motor from a grain elevator that is probably 2… --- ## [Anyone know of triple-phase hookups in Nova Scotia, New Brunswick, and the US?](https://community.electricforum.com/t/anyone-know-of-triple-phase-hookups-in-nova-scotia-new-brunswick-and-the-us/6145)
**Author:** [@sparkiso](https://community.electricforum.com/u/sparkiso)\ **Replies:** 1\ **Last updated:** [June 20, 2016, 7:16pm UTC](https://community.electricforum.com/t/anyone-know-of-triple-phase-hookups-in-nova-scotia-new-brunswick-and-the-us/6145 "2016-06-20T19:16:28Z")
We have a Denza, a Chinese electric car that we're looking to charge with triple-phase power at 32amps with a CEE connector. We're driving it around the world for an event called 80eDays. Does anyone know of sites that… --- ## [Ofgem preparing the UK National Grid](https://community.electricforum.com/t/ofgem-preparing-the-uk-national-grid/6120)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 0\ **Last updated:** [June 7, 2016, 9:21am UTC](https://community.electricforum.com/t/ofgem-preparing-the-uk-national-grid/6120 "2016-06-07T09:21:25Z")
Energy regulator Ofgem is actively investing in projects which will prepare the UK National Grid for the expected increase in electric vehicle travel in the future. It is good to see more forward thinking in this area be… --- ## [UK government to offer financial incentives for installing workplace charging points](https://community.electricforum.com/t/uk-government-to-offer-financial-incentives-for-installing-workplace-charging-points/6102)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 1\ **Last updated:** [June 4, 2016, 5:09pm UTC](https://community.electricforum.com/t/uk-government-to-offer-financial-incentives-for-installing-workplace-charging-points/6102 "2016-06-04T17:09:44Z")
It has been announced that the UK government will offer financial incentives for companies installing workplace charging points for electric vehicles. As we await full details of the scheme, which starts in July, many ar… --- ## [Massive increase in number of electric car chargers in Scotland](https://community.electricforum.com/t/massive-increase-in-number-of-electric-car-chargers-in-scotland/6092)
**Author:** [@tmark938](https://community.electricforum.com/u/tmark938)\ **Replies:** 1\ **Last updated:** [June 1, 2016, 4:15am UTC](https://community.electricforum.com/t/massive-increase-in-number-of-electric-car-chargers-in-scotland/6092 "2016-06-01T04:15:37Z")
While Scotland has not necessarily hit the headlines in relation to the electric car industry a recent report by The Scotsman newspaper has cast a very interesting light on the sector. It reports that there are now 550 E… --- ## [Fsip/zivan](https://community.electricforum.com/t/fsip-zivan/6090)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [May 31, 2016, 5:44pm UTC](https://community.electricforum.com/t/fsip-zivan/6090 "2016-05-31T17:44:18Z")
Per Tony at FSIP They do not program ZIVAN for LITHIUM Rodney --- ## [Charging issue](https://community.electricforum.com/t/charging-issue/6083)
**Author:** [@gem2002](https://community.electricforum.com/u/gem2002)\ **Replies:** 0\ **Last updated:** [May 30, 2016, 4:39pm UTC](https://community.electricforum.com/t/charging-issue/6083 "2016-05-30T16:39:24Z")
I have a 2002 E825 Gem.The batteries in there are about 5 yyrs old.The issue I'm having is it will not hold a charge at all.When I charge it and let it sit a few hours it drains down to 50% or lower.If I drive it after a… --- ## [Battery Wizard software](https://community.electricforum.com/t/battery-wizard-software/4851)
**Author:** [@Graham\_Hudson](https://community.electricforum.com/u/Graham_Hudson)\ **Replies:** 5\ **Last updated:** [May 11, 2016, 3:15pm UTC](https://community.electricforum.com/t/battery-wizard-software/4851 "2016-05-11T15:15:09Z")
Is the wizard software still available to check battery performance and reset the charging light. I remember this as being an indispensible piece of software for locating tired batteries etc. but I have been unable to fi… --- ## [Electric car charging points in Clackmannanshire](https://community.electricforum.com/t/electric-car-charging-points-in-clackmannanshire/6036)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 1\ **Last updated:** [May 10, 2016, 11:25pm UTC](https://community.electricforum.com/t/electric-car-charging-points-in-clackmannanshire/6036 "2016-05-10T23:25:17Z")
This is a link to the Clackmannanshire Council website which shows the location of all electric car charging points across the county:- http://www.clacksweb.org.uk/environment/chargingpoints/ If you know of any other… --- ## [Japanese electric car charging infrastructure reaches new heights](https://community.electricforum.com/t/japanese-electric-car-charging-infrastructure-reaches-new-heights/6030)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 0\ **Last updated:** [May 9, 2016, 6:47am UTC](https://community.electricforum.com/t/japanese-electric-car-charging-infrastructure-reaches-new-heights/6030 "2016-05-09T06:47:22Z")
While there is some controversy regarding the figures, claims that the number of car electric car charging facilities outnumbers the number of gas stations, there is no doubt great progress is being made across Japan. Cl… --- ## [Cost of electric car batteries plummeting in price](https://community.electricforum.com/t/cost-of-electric-car-batteries-plummeting-in-price/6029)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 0\ **Last updated:** [May 9, 2016, 6:46am UTC](https://community.electricforum.com/t/cost-of-electric-car-batteries-plummeting-in-price/6029 "2016-05-09T06:46:20Z")
The cost of electric car batteries, seen as a major hurdle for the EV market, has plummeted in recent times. This is one of the main reasons why Tesla was able to release its “affordable” electric vehicle and why many ot… --- ## [Do utility companies have a role in the EV market?](https://community.electricforum.com/t/do-utility-companies-have-a-role-in-the-ev-market/6002)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 0\ **Last updated:** [April 29, 2016, 10:49pm UTC](https://community.electricforum.com/t/do-utility-companies-have-a-role-in-the-ev-market/6002 "2016-04-29T22:49:46Z")
While much of the focus has been upon the technology and the range of the latest electric cars many believe that the utility companies have a major role to play in the future. We have seen some utility companies partneri… --- ## [How long before an electric car battery pack needs replaced?](https://community.electricforum.com/t/how-long-before-an-electric-car-battery-pack-needs-replaced/5305)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 3\ **Last updated:** [April 19, 2016, 11:32pm UTC](https://community.electricforum.com/t/how-long-before-an-electric-car-battery-pack-needs-replaced/5305 "2016-04-19T23:32:41Z")
I believe that electric car battery packs only have a certain lifespan and was wondering when I would need to replace these? I am looking to buy an electric vehicle in the short to medium term. --- ## [Important agm users](https://community.electricforum.com/t/important-agm-users/5647)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 3\ **Last updated:** [April 1, 2016, 5:03pm UTC](https://community.electricforum.com/t/important-agm-users/5647 "2016-04-01T17:03:44Z")
Many of you have AGM batteries and have your charger set on the Gel setting because you do not have an AGM (SLA) setting. To put this issue to bed I asked The Vmax people, manufacturer of AGM batteries for clarificatio… --- ## [How much does it cost to refuel your electric car?](https://community.electricforum.com/t/how-much-does-it-cost-to-refuel-your-electric-car/5878)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 1\ **Last updated:** [March 26, 2016, 8:53am UTC](https://community.electricforum.com/t/how-much-does-it-cost-to-refuel-your-electric-car/5878 "2016-03-26T08:53:24Z")
While there is no doubt that the cost of refuelling an electric car is but a fraction of the cost of refuelling a gasoline vehicle, how much does it actually cost you to recharge your electric vehicle? The cost of elec… --- ## [Which Battery to choose?](https://community.electricforum.com/t/which-battery-to-choose/5833)
**Author:** [@Crazysajan](https://community.electricforum.com/u/Crazysajan)\ **Replies:** 4\ **Last updated:** [March 13, 2016, 3:39pm UTC](https://community.electricforum.com/t/which-battery-to-choose/5833 "2016-03-13T15:39:58Z")
Subaru WRX 2016 I am about to install after market sound system and I was wondering which battery would be the best for me. ODYSSEY 35-PC1400T X2 POWER PREMIUM SLI35AGMDP XS POWER XS Power D4800 The last one is t… --- ## [City vs freeway range](https://community.electricforum.com/t/city-vs-freeway-range/5832)
**Author:** [@Lief](https://community.electricforum.com/u/Lief)\ **Replies:** 4\ **Last updated:** [March 11, 2016, 5:50pm UTC](https://community.electricforum.com/t/city-vs-freeway-range/5832 "2016-03-11T17:50:01Z")
Hi, what is better for ev range? City(20-60km/h) or Freeway(60-80km/h). Also i went to a Nissan dealer and looked at a Leaf. They didnt recommend it for stop and go city driving. Said it was more of just a commuter. A… --- ## [Adding Tesla Modules](https://community.electricforum.com/t/adding-tesla-modules/5831)
**Author:** [@hmanning](https://community.electricforum.com/u/hmanning)\ **Replies:** 3\ **Last updated:** [March 10, 2016, 3:10pm UTC](https://community.electricforum.com/t/adding-tesla-modules/5831 "2016-03-10T15:10:33Z")
I'm considering adding 4 used Tesla battery modules (21.2 KWH's) to an existing 2012 or 2013 Leaf or Focus to increase range. Any huge obstacles (technically or financially) to this kind of modification? Thanks [Previous page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=5) [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=7)