# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=5 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 6 --- ## [Delta-Q hack LED display](https://community.electricforum.com/t/delta-q-hack-led-display/12385)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 0\ **Last updated:** [May 21, 2017, 2:02am UTC](https://community.electricforum.com/t/delta-q-hack-led-display/12385 "2017-05-21T02:02:07Z")
Working on a project that I've been putting off. Had the parts for a year and have been sidetracked. Digital voltage display that can be set to HVC. The charger I'm testing on can be set from about 70 volts to 99 volts… --- ## [New Trojans, 10v on installation](https://community.electricforum.com/t/new-trojans-10v-on-installation/12367)
**Author:** [@rkayser](https://community.electricforum.com/u/rkayser)\ **Replies:** 7\ **Last updated:** [May 17, 2017, 3:25pm UTC](https://community.electricforum.com/t/new-trojans-10v-on-installation/12367 "2017-05-17T15:25:29Z")
Total Newbie here with a 2001 Gem. Just replaced bateries with Trojan 30 HXS. Two issues: Batteries measure 10v each ( or just over 52v total) after instatllation. they are brand new, 2017 year of manufacture. Questions… --- ## [Leaf battery connections](https://community.electricforum.com/t/leaf-battery-connections/11856)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 9\ **Last updated:** [May 8, 2017, 5:29pm UTC](https://community.electricforum.com/t/leaf-battery-connections/11856 "2017-05-08T17:29:05Z")
Anyone wanting to do a Leaf conversion. Picture from customer. \[image\] --- ## [How to change the direct current from 12V into 5V?](https://community.electricforum.com/t/how-to-change-the-direct-current-from-12v-into-5v/12296)
**Author:** [@lemons](https://community.electricforum.com/u/lemons)\ **Replies:** 2\ **Last updated:** [April 18, 2017, 3:44pm UTC](https://community.electricforum.com/t/how-to-change-the-direct-current-from-12v-into-5v/12296 "2017-04-18T15:44:19Z")
Good afternoon~ I would like to ask some advice from you.Please look at the following circuit: \[image\] In this circuit, How to chose the capacitor in two ports of 7805 if changing the direct current from 12V into 5V? The… --- ## [State Of Charge Setup GE T3/T4](https://community.electricforum.com/t/state-of-charge-setup-ge-t3-t4/6143)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 3\ **Last updated:** [April 6, 2017, 7:30am UTC](https://community.electricforum.com/t/state-of-charge-setup-ge-t3-t4/6143 "2017-04-06T07:30:00Z")
Thank you Brian 1) Turn the key on. 2) Push and release the TRIP/ODOMETER switch until it's showing the odometer. 3) While holding the switch down, turn the RIGHT signal on, then the LEFT signal, then return the bl… --- ## [New BMS-24 test](https://community.electricforum.com/t/new-bms-24-test/168)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 2\ **Last updated:** [February 11, 2017, 11:07am UTC](https://community.electricforum.com/t/new-bms-24-test/168 "2017-02-11T11:07:34Z")
--- ## [Milwaukee M18 Batteries to power EV Jr Dragster](https://community.electricforum.com/t/milwaukee-m18-batteries-to-power-ev-jr-dragster/11987)
**Author:** [@heyjude076](https://community.electricforum.com/u/heyjude076)\ **Replies:** 7\ **Last updated:** [January 28, 2017, 11:21pm UTC](https://community.electricforum.com/t/milwaukee-m18-batteries-to-power-ev-jr-dragster/11987 "2017-01-28T23:21:01Z")
Four years ago I built a EV JR Dragster powered by 12 Milwaukee M28 batteries. I connected 2 six packs batteries in series which gave the controller 56V. The car has run flawless and consistent. I now want to build anoth… --- ## [12, 24, 36, 48, 72volt -10amp dumb charger](https://community.electricforum.com/t/12-24-36-48-72volt-10amp-dumb-charger/11992)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 4\ **Last updated:** [January 28, 2017, 4:47pm UTC](https://community.electricforum.com/t/12-24-36-48-72volt-10amp-dumb-charger/11992 "2017-01-28T16:47:55Z")
Why wouldn't we all have one of these? Going to find out. Select voltage, 5amp or 10amp, on all I think. --- ## [Missing parts?](https://community.electricforum.com/t/missing-parts/4207)
**Author:** [@Mummy\_Tech](https://community.electricforum.com/u/Mummy_Tech)\ **Replies:** 3\ **Last updated:** [January 25, 2017, 7:33am UTC](https://community.electricforum.com/t/missing-parts/4207 "2017-01-25T07:33:27Z")
I have a 1999 GEM E582 48v that has an external charger that plugs in under the passenger seat. There are 4 12v batteries but there are 2 empty battery trays and several unused harneses. I have a schematic for the 4 12v … --- ## [Budget supermarket to install charging stations in UK](https://community.electricforum.com/t/budget-supermarket-to-install-charging-stations-in-uk/11950)
**Author:** [@Cleanenergy](https://community.electricforum.com/u/Cleanenergy)\ **Replies:** 0\ **Last updated:** [January 19, 2017, 12:03am UTC](https://community.electricforum.com/t/budget-supermarket-to-install-charging-stations-in-uk/11950 "2017-01-19T00:03:04Z")
Budget supermarket Lidl has agreed to install 40 charging stations at stores across the UK:- Interesting development? --- ## [Covert to 8V gell battery](https://community.electricforum.com/t/covert-to-8v-gell-battery/11930)
**Author:** [@jm1361](https://community.electricforum.com/u/jm1361)\ **Replies:** 4\ **Last updated:** [January 16, 2017, 9:36pm UTC](https://community.electricforum.com/t/covert-to-8v-gell-battery/11930 "2017-01-16T21:36:26Z")
I have a 210 Gem 2 seater. I would like to convert from 6 12 v gell to 9 8v gell any help would be helpful. Do you need to change the algorithm on the D Q charger. where do you find extra space for batteries . Any idea… --- ## [Why is it always jam tomorrow with new battery technology?](https://community.electricforum.com/t/why-is-it-always-jam-tomorrow-with-new-battery-technology/11925)
**Author:** [@Cleanenergy](https://community.electricforum.com/u/Cleanenergy)\ **Replies:** 4\ **Last updated:** [January 13, 2017, 5:21pm UTC](https://community.electricforum.com/t/why-is-it-always-jam-tomorrow-with-new-battery-technology/11925 "2017-01-13T17:21:55Z")
Interesting article here about Samsung but when you read the article in depth, this new ground breaking technology is not going to be available until 2021:- Why is it always jam tomorrow with new battery technology? … --- ## [Battery replacement on 2008 E4](https://community.electricforum.com/t/battery-replacement-on-2008-e4/11833)
**Author:** [@gemman](https://community.electricforum.com/u/gemman)\ **Replies:** 14\ **Last updated:** [January 13, 2017, 4:34am UTC](https://community.electricforum.com/t/battery-replacement-on-2008-e4/11833 "2017-01-13T04:34:17Z")
Hello, I am new to the forum and have just purchased a really nice 2008 E4 in almost brand new condition. It has only 70 miles on it and was always stored indoors, so it looks brand new. The batteries are the origina… --- ## [David's 24 cell Balancer](https://community.electricforum.com/t/davids-24-cell-balancer/6523)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 20\ **Last updated:** [January 9, 2017, 1:26am UTC](https://community.electricforum.com/t/davids-24-cell-balancer/6523 "2017-01-09T01:26:42Z")
Here are some early shots of Davids discovery. It's a 24 Cell Ballancer. \[image\] --- ## [Battery replacement on Fiat 500e](https://community.electricforum.com/t/battery-replacement-on-fiat-500e/11896)
**Author:** [@BuckRimfire](https://community.electricforum.com/u/BuckRimfire)\ **Replies:** 0\ **Last updated:** [January 6, 2017, 12:09am UTC](https://community.electricforum.com/t/battery-replacement-on-fiat-500e/11896 "2017-01-06T00:09:38Z")
I'm tempted to get one of the 500es that are now coming off leases onto the used market. Of course, it's a Fiat, so the risk that it might generally be a piece of garbage is an issue. (The gasoline 500 is no star in th… --- ## [Drop-in lithium information](https://community.electricforum.com/t/drop-in-lithium-information/11854)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 0\ **Last updated:** [December 31, 2016, 8:05pm UTC](https://community.electricforum.com/t/drop-in-lithium-information/11854 "2016-12-31T20:05:50Z")
http://www.lithiumion-batteries.com/EVGOLFCART.php Distributor pricing with $50k order is about 50% from information received a couple years ago. When extrapolate 36v battery pack to 72v pack. Drop in Gem pack with c… --- ## [Why is battery technology so far behind electric car technology?](https://community.electricforum.com/t/why-is-battery-technology-so-far-behind-electric-car-technology/11817)
**Author:** [@Cleanenergy](https://community.electricforum.com/u/Cleanenergy)\ **Replies:** 0\ **Last updated:** [December 27, 2016, 1:04am UTC](https://community.electricforum.com/t/why-is-battery-technology-so-far-behind-electric-car-technology/11817 "2016-12-27T01:04:35Z")
It is fairly obvious that investment in battery technology is way behind general electric car technology even though batteries are vital to the success of the EV market. Investment has grown over the last couple of years… --- ## [LTO batteries 2p 24s pouches](https://community.electricforum.com/t/lto-batteries-2p-24s-pouches/11816)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 1\ **Last updated:** [December 26, 2016, 9:03pm UTC](https://community.electricforum.com/t/lto-batteries-2p-24s-pouches/11816 "2016-12-26T21:03:14Z")
Finishing touches on a 120ah 48v pack For my 48v Tomberlin cart\[image\]\[image\] 5/16" brass studs One more box would do a Gem, for $800 and two weeks work! --- ## [Lipo Aftermarket Power Packs](https://community.electricforum.com/t/lipo-aftermarket-power-packs/6530)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 8\ **Last updated:** [December 13, 2016, 2:09pm UTC](https://community.electricforum.com/t/lipo-aftermarket-power-packs/6530 "2016-12-13T14:09:17Z")
In my area of Florida we have a unique entity called the "Villages". It covers an area of square miles and over 110,000 people. The primary mode of transportation is Golf Carts and some LSV's. The vehicle of choice is … --- ## [Question on Cell Balancing](https://community.electricforum.com/t/question-on-cell-balancing/6531)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 11\ **Last updated:** [December 12, 2016, 3:08pm UTC](https://community.electricforum.com/t/question-on-cell-balancing/6531 "2016-12-12T15:08:23Z")
There seem to be 2 schools of thought on the need to balance Lipo Cells in a battery pack suitable for LSV/NEV , Golf Cart vehicles. The Engineers that maintain perfect balance is required, on one hand, and the Simp… --- ## [Running Milwaukee tool battery packs in series](https://community.electricforum.com/t/running-milwaukee-tool-battery-packs-in-series/6516)
**Author:** [@heyjude076](https://community.electricforum.com/u/heyjude076)\ **Replies:** 4\ **Last updated:** [December 12, 2016, 3:32am UTC](https://community.electricforum.com/t/running-milwaukee-tool-battery-packs-in-series/6516 "2016-12-12T03:32:17Z")
Four years ago I bulit a Jr Dragster for Grandson. I used Milwaukee M28 tool batteries. Two packs of six in parallel. The two packs are in series for a total of 56V to controller. This ran consistent for 4 years. I wan… --- ## [Delta q programming](https://community.electricforum.com/t/delta-q-programming/6518)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [December 6, 2016, 4:11pm UTC](https://community.electricforum.com/t/delta-q-programming/6518 "2016-12-06T16:11:33Z")
David sent me a powered setting device for trial for programming Delta Q's off the car. Works perfectly. (Not sending it back) I built a momentary button box to aid setting Delta Q's that are installed on the car. Da… --- ## [Ford, BMW, Daimler and VW team up to build European charging network](https://community.electricforum.com/t/ford-bmw-daimler-and-vw-team-up-to-build-european-charging-network/6509)
**Author:** [@Rachel](https://community.electricforum.com/u/Rachel)\ **Replies:** 0\ **Last updated:** [November 30, 2016, 2:04am UTC](https://community.electricforum.com/t/ford-bmw-daimler-and-vw-team-up-to-build-european-charging-network/6509 "2016-11-30T02:04:39Z")
https://www.carkeys.co.uk/news/ford-bmw-daimler-and-vw-teaming-up-to-build-european-charging-network?76542rh It's good to see more chargers getting built, shows a real growth in electric vehicles for the future. --- ## [Gem Charger Information](https://community.electricforum.com/t/gem-charger-information/6494)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 7\ **Last updated:** [November 29, 2016, 11:34am UTC](https://community.electricforum.com/t/gem-charger-information/6494 "2016-11-29T11:34:23Z")
Modified on: Mon, 15 Jun, 2015 at 4:50 PM The GEM chargers have a customized algorithm and software package designed especially for GEM Cars, you will notice the algorithm package does not contain any settings for AGM … --- ## [Differential fill plug location](https://community.electricforum.com/t/differential-fill-plug-location/3800)
**Author:** [@spider445](https://community.electricforum.com/u/spider445)\ **Replies:** 2\ **Last updated:** [November 20, 2016, 3:28am UTC](https://community.electricforum.com/t/differential-fill-plug-location/3800 "2016-11-20T03:28:59Z")
Looking for the differential fill plug on my 05 GEM, would anyone have an idea or picture. I see a plug just below the motor but this looks like the vent valve? I understand that the oil has to be suctioned from this h… --- ## [Turnkey lithium conversion](https://community.electricforum.com/t/turnkey-lithium-conversion/6438)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 17\ **Last updated:** [November 3, 2016, 7:33am UTC](https://community.electricforum.com/t/turnkey-lithium-conversion/6438 "2016-11-03T07:33:48Z")
I have a 2009 4 door E4 with tilt and heat. Think I'm going to keep it. Looking for a turnkey LIPO system that I just have to hook up the B+/B- and the two charger wires. Absolute minimum of components 30 mile ran… --- ## [Lithium Ion Battery Production Will Tripple or Quadruple in Next Few Years](https://community.electricforum.com/t/lithium-ion-battery-production-will-tripple-or-quadruple-in-next-few-years/6439)
**Author:** [@Dino1963](https://community.electricforum.com/u/Dino1963)\ **Replies:** 1\ **Last updated:** [October 27, 2016, 7:09am UTC](https://community.electricforum.com/t/lithium-ion-battery-production-will-tripple-or-quadruple-in-next-few-years/6439 "2016-10-27T07:09:32Z")
I, as I'm sure most people here do, try to keep up with things that will impact the EV market and more importantly the way we live. Tony Seba has sever very interesting videos on Disruptive Technologies, specifically K… --- ## [Help Needed: Schneider EVLink ev2430ws Error Code](https://community.electricforum.com/t/help-needed-schneider-evlink-ev2430ws-error-code/6319)
**Author:** [@backitup](https://community.electricforum.com/u/backitup)\ **Replies:** 7\ **Last updated:** [October 23, 2016, 2:42am UTC](https://community.electricforum.com/t/help-needed-schneider-evlink-ev2430ws-error-code/6319 "2016-10-23T02:42:10Z")
I am brand new to EV cars and have a 2013 Volt. I installed a L2 charger that the previous owner included with the car. It looks ok from what I can tell once powered up, but as soon as I plug in the car, the status ind… --- ## [Duffy boat](https://community.electricforum.com/t/duffy-boat/6413)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 10\ **Last updated:** [October 11, 2016, 7:01pm UTC](https://community.electricforum.com/t/duffy-boat/6413 "2016-10-11T19:01:49Z")
kINGHAPPY, DAVE, WHOEVER. Bought a 18' Duffy Electric boat. I'll be keeping this puppy so need to figure out a turn key lithium package. 36 volts. Looking for range as the top speed is only 6 MPH. GC batteries … --- ## [Hurricane Matthew](https://community.electricforum.com/t/hurricane-matthew/6405)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [October 8, 2016, 7:52pm UTC](https://community.electricforum.com/t/hurricane-matthew/6405 "2016-10-08T19:52:42Z")
Fully charged GEM battery with 1200 watt inverter will run Fridge Tv and a lamp for 3 1/2 hours. Brother in law had my 2 GEM's in his drive. I had my Harbor Freight 1000 watt genny and we were both covered for the 27 h… [Previous page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=4) [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=6)