# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) --- ## [About the Battery & Chargers category](https://community.electricforum.com/t/about-the-battery-chargers-category/193)
**Author:** [@system](https://community.electricforum.com/u/system)\ **Replies:** 5\ **Last updated:** [January 21, 2024, 11:44pm UTC](https://community.electricforum.com/t/about-the-battery-chargers-category/193 "2024-01-21T23:44:33Z")
Batteries and Charging station talk. --- ## [Converting To Lithium Batteries expectations and real life](https://community.electricforum.com/t/converting-to-lithium-batteries-expectations-and-real-life/5748)
**Author:** [@EvForum](https://community.electricforum.com/u/EvForum)\ **Replies:** 22\ **Last updated:** [March 29, 2022, 2:34am UTC](https://community.electricforum.com/t/converting-to-lithium-batteries-expectations-and-real-life/5748 "2022-03-29T02:34:34Z")
We have closed the original "New GEM Owner - Converting To Lithium Batteries" (http://www.electricforum.com/cars/gem-cars-nevs-forum/3005-new-gem-owner-converting-lithium-batteries.html) thread as it was over 9 pages lon… --- ## [Delta-Q Charger - 913-3600 - 36V - Lightning strike](https://community.electricforum.com/t/delta-q-charger-913-3600-36v-lightning-strike/30341)
**Author:** [@Marc-21](https://community.electricforum.com/u/Marc-21)\ **Replies:** 8\ **Last updated:** [June 15, 2026, 10:35pm UTC](https://community.electricforum.com/t/delta-q-charger-913-3600-36v-lightning-strike/30341 "2026-06-15T22:35:12Z")
First off, hello and greetings from Germany I came across this site while searching for information about Delta-Q chargers. I have a Delta-Q Quiq - 913-3600 - 36V charger for a golf cart here that, unfortunately, got h… --- ## [Delta q charger algorithm changing for gem's](https://community.electricforum.com/t/delta-q-charger-algorithm-changing-for-gems/13237)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 23\ **Last updated:** [March 16, 2026, 6:07pm UTC](https://community.electricforum.com/t/delta-q-charger-algorithm-changing-for-gems/13237 "2026-03-16T18:07:47Z")
OK guys here is the way to change your setting on a GEM DELTA Q. Strongly suggest you first : disconnect the charger positive (red) wire from the terminal post and attach 4 feet of wire to it. Then securely attach 4 fee… --- ## [Battery Exploded](https://community.electricforum.com/t/battery-exploded/30048)
**Author:** [@Joepiccaso](https://community.electricforum.com/u/Joepiccaso)\ **Replies:** 4\ **Last updated:** [February 6, 2026, 4:53pm UTC](https://community.electricforum.com/t/battery-exploded/30048 "2026-02-06T16:53:56Z")
Today my grandson was driving my CC 6-seater electric golf car and a battery exploding under the back seat. He called me on FaceTime and showed it to me. Everyone was ok and he said it would still run and he drove it hom… --- ## [2009 GEM eL XD LFP Conversion Help](https://community.electricforum.com/t/2009-gem-el-xd-lfp-conversion-help/29993)
**Author:** [@RedDirtEV](https://community.electricforum.com/u/RedDirtEV)\ **Replies:** 26\ **Last updated:** [January 2, 2026, 6:28pm UTC](https://community.electricforum.com/t/2009-gem-el-xd-lfp-conversion-help/29993 "2026-01-02T18:28:58Z")
Hello all. I run an EV repair shop and recently accepted the challenge of dealing with a basket case GEM car LFP conversion. I work on Tesla’s and various hybrids regularly, but I’m completely new to GEM and other low-sp… --- ## [Plug connector overheating](https://community.electricforum.com/t/plug-connector-overheating/29914)
**Author:** [@Msarkozy](https://community.electricforum.com/u/Msarkozy)\ **Replies:** 2\ **Last updated:** [November 23, 2025, 11:26am UTC](https://community.electricforum.com/t/plug-connector-overheating/29914 "2025-11-23T11:26:13Z")
Hi, very new here. I inherited my parents 2001 gem cart and all has been pretty good until recently. Over the past month, when I plug in the cart to charge, the extension cord got a bit warm or maybe even hot. Yesterd… --- ## [Gem e825 zivian ng1 I2 increased T3 extended](https://community.electricforum.com/t/gem-e825-zivian-ng1-i2-increased-t3-extended/29597)
**Author:** [@Ryboy98](https://community.electricforum.com/u/Ryboy98)\ **Replies:** 13\ **Last updated:** [August 22, 2025, 10:26pm UTC](https://community.electricforum.com/t/gem-e825-zivian-ng1-i2-increased-t3-extended/29597 "2025-08-22T22:26:09Z")
Hello, just recently traded an e-bike for a Gem 2002 car. Seems that one of the previous owners did well with maintenance and upgrading everything with the recalls and stuff that I can see. One of them is the charger it … --- ## [Help with delta q charger](https://community.electricforum.com/t/help-with-delta-q-charger/29530)
**Author:** [@Mayingst](https://community.electricforum.com/u/Mayingst)\ **Replies:** 3\ **Last updated:** [August 8, 2025, 5:32pm UTC](https://community.electricforum.com/t/help-with-delta-q-charger/29530 "2025-08-08T17:32:49Z")
I bought a used direct replacement charger and it is constantly flashing the red caution light on the charger and the Gem dash is not recognizing it when it is plugged in. Any help is appreciated. -Matt --- ## [Ford Think charging port](https://community.electricforum.com/t/ford-think-charging-port/28037)
**Author:** [@Bvrthink](https://community.electricforum.com/u/Bvrthink)\ **Replies:** 3\ **Last updated:** [July 2, 2024, 5:23pm UTC](https://community.electricforum.com/t/ford-think-charging-port/28037 "2024-07-02T17:23:08Z")
My charging port is fried/melted. No idea why other than a short somewhere? No idea if my Delta Q is fried also Looking to replace charging port. Ideas where or who has them? If it ain’t one thing it’s another with the… --- ## [I think I killed my Delta Q](https://community.electricforum.com/t/i-think-i-killed-my-delta-q/15516)
**Author:** [@MikeKC](https://community.electricforum.com/u/MikeKC)\ **Replies:** 24\ **Last updated:** [June 5, 2025, 8:29pm UTC](https://community.electricforum.com/t/i-think-i-killed-my-delta-q/15516 "2025-06-05T20:29:43Z")
So I have an older stock GEM Delta-Q (09), pulled it from my 2009 e2 as I was doing a lith upgrade. Thanks to @Inwo, got the programmer and reprogramed to the #177 profile and set to default. Bench tested it on the batt… --- ## [3 phase timer for charging station](https://community.electricforum.com/t/3-phase-timer-for-charging-station/27955)
**Author:** [@assafaman](https://community.electricforum.com/u/assafaman)\ **Replies:** 2\ **Last updated:** [June 11, 2024, 7:55pm UTC](https://community.electricforum.com/t/3-phase-timer-for-charging-station/27955 "2024-06-11T19:55:08Z")
Hi I have a “stupid” charging station. I want to have the ability to set timer. I found out that there are 3 phase timers which support up to 40kWh. The idea is to place the timer between the charging station circuit… --- ## [JK BMS - Abnormal Resistance of the Balance Wire Error](https://community.electricforum.com/t/jk-bms-abnormal-resistance-of-the-balance-wire-error/27746)
**Author:** [@Mechprone](https://community.electricforum.com/u/Mechprone)\ **Replies:** 5\ **Last updated:** [April 27, 2024, 1:23am UTC](https://community.electricforum.com/t/jk-bms-abnormal-resistance-of-the-balance-wire-error/27746 "2024-04-27T01:23:17Z")
I recently built a battery pack consisting of 8 Audi E-Tron modules (LG Chem 3S4P 4KE.915.591.J and 4KE.915.591.H Battery Modules) and a JK B2A24S20P BMS. All the balance wires are solder connected to the the module cell… --- ## [Reading Delta Q charging profile codes](https://community.electricforum.com/t/reading-delta-q-charging-profile-codes/27700)
**Author:** [@Danlin](https://community.electricforum.com/u/Danlin)\ **Replies:** 22\ **Last updated:** [April 19, 2024, 5:15pm UTC](https://community.electricforum.com/t/reading-delta-q-charging-profile-codes/27700 "2024-04-19T17:15:24Z")
Hey everyone I have a delta q 912-7200 charger that I am trying to read the code on. When I go thru the procedure I get a 26 code. But other lights are flashing when it repeats the code. Has anyone else experienced this… --- ## [2005 GEM e4 - Display Settings](https://community.electricforum.com/t/2005-gem-e4-display-settings/22845)
**Author:** [@e4Bluey](https://community.electricforum.com/u/e4Bluey)\ **Replies:** 7\ **Last updated:** [December 11, 2021, 3:55am UTC](https://community.electricforum.com/t/2005-gem-e4-display-settings/22845 "2021-12-11T03:55:53Z")
Im new, bought one for fun and now trying to fix all the little things that are not right. I read reponses to battery setting and adjusting the SOC (my battery at full charge drops to low charge in about 4 miles). I have… --- ## [What options exist for shared charging stations for apartments?](https://community.electricforum.com/t/what-options-exist-for-shared-charging-stations-for-apartments/3793)
**Author:** [@tschmelcher](https://community.electricforum.com/u/tschmelcher)\ **Replies:** 4\ **Last updated:** [March 10, 2024, 5:27pm UTC](https://community.electricforum.com/t/what-options-exist-for-shared-charging-stations-for-apartments/3793 "2024-03-10T17:27:56Z")
I want to buy an EV next year but I live in an apartment with no EV charging and I just moved this year so I don't want to move again. I'm going to put together options to propose to my building's property manager, which… --- ## [Minimum Charger Requirements](https://community.electricforum.com/t/minimum-charger-requirements/722)
**Author:** [@Nodd](https://community.electricforum.com/u/Nodd)\ **Replies:** 6\ **Last updated:** [March 10, 2024, 5:17pm UTC](https://community.electricforum.com/t/minimum-charger-requirements/722 "2024-03-10T17:17:22Z")
Hey folks, I recently purchased a used EV & I'd like to install an onboard charging system (It came with a monster 85 lb portable charger that I'd rather not lug around with me). My question is what would be the minimu… --- ## [2015 Prius C hybrid battery](https://community.electricforum.com/t/2015-prius-c-hybrid-battery/27432)
**Author:** [@JarJarJava](https://community.electricforum.com/u/JarJarJava)\ **Replies:** 4\ **Last updated:** [February 2, 2024, 12:15am UTC](https://community.electricforum.com/t/2015-prius-c-hybrid-battery/27432 "2024-02-02T00:15:54Z")
Anyone here happen to have ever taken apart a 2015 prius c hybrid battery? --- ## [Don’t recharge just replace](https://community.electricforum.com/t/don-t-recharge-just-replace/27004)
**Author:** [@shochme](https://community.electricforum.com/u/shochme)\ **Replies:** 2\ **Last updated:** [October 3, 2023, 12:27am UTC](https://community.electricforum.com/t/don-t-recharge-just-replace/27004 "2023-10-03T00:27:20Z")
Don’t recharge just replace When you go to fill your tank with gas, it may take 5 minutes. To recharge your EV it takes maybe an hour while you sit and wait. There is a much faster way to charge your EV, instead of si… --- ## [Looking for DQ Algorithms and Voltage Spoof](https://community.electricforum.com/t/looking-for-dq-algorithms-and-voltage-spoof/26019)
**Author:** [@akmangus](https://community.electricforum.com/u/akmangus)\ **Replies:** 28\ **Last updated:** [March 11, 2023, 10:08pm UTC](https://community.electricforum.com/t/looking-for-dq-algorithms-and-voltage-spoof/26019 "2023-03-11T22:08:18Z")
Hey all, First off would like to thank everyone for the wealth of information provided on these forums. Especially Mike and Dave regarding my Lithium conversion for my vintage 02’ E825. Being the Emmett Brown type, I d… --- ## [2007 Gem - Slow drain of Gel batteries](https://community.electricforum.com/t/2007-gem-slow-drain-of-gel-batteries/25644)
**Author:** [@davidreuter](https://community.electricforum.com/u/davidreuter)\ **Replies:** 17\ **Last updated:** [January 13, 2023, 2:57am UTC](https://community.electricforum.com/t/2007-gem-slow-drain-of-gel-batteries/25644 "2023-01-13T02:57:28Z")
After my 2007 Gem is fully charged, I lose about 1 battery bar/ day while it sits. What is the most common source of battery drain? I purchased a battery cutoff switch, which can be employed after fully charged, but wo… --- ## [Battery connector to power a 150w heater](https://community.electricforum.com/t/battery-connector-to-power-a-150w-heater/25553)
**Author:** [@Mauro](https://community.electricforum.com/u/Mauro)\ **Replies:** 1\ **Last updated:** [December 13, 2022, 7:01pm UTC](https://community.electricforum.com/t/battery-connector-to-power-a-150w-heater/25553 "2022-12-13T19:01:16Z")
Hi I’m new here I’m working on a project, where I need to power a 150w heater with a 20v lithium battery, so I wanted to know what connectors you recommend. --- ## [HiI Need help on BMS / Charging](https://community.electricforum.com/t/hii-need-help-on-bms-charging/20619)
**Author:** [@kh250](https://community.electricforum.com/u/kh250)\ **Replies:** 3\ **Last updated:** [September 7, 2022, 8:00am UTC](https://community.electricforum.com/t/hii-need-help-on-bms-charging/20619 "2022-09-07T08:00:32Z")
I am converting a classic bike to electric and have completed all the mechanical tasks. I am using a 48v DC motor 200 amp max run but this can be doubled for 14 seconds ( I might try the drag strip ). I will be building … --- ## [ZIVAN NG9. Ayuda](https://community.electricforum.com/t/zivan-ng9-ayuda/24946)
**Author:** [@Mike201](https://community.electricforum.com/u/Mike201)\ **Replies:** 0\ **Last updated:** [August 18, 2022, 9:00pm UTC](https://community.electricforum.com/t/zivan-ng9-ayuda/24946 "2022-08-18T21:00:53Z")
I am repairing a ZIVAN Battery charger NG9. I don’t know what the reason for the breakdown was. When opening the unit, all very new, manufactured in 2020. I have checked fuses and critical components such as rectifier… --- ## [Delta Q charger error](https://community.electricforum.com/t/delta-q-charger-error/24890)
**Author:** [@Bird44](https://community.electricforum.com/u/Bird44)\ **Replies:** 5\ **Last updated:** [August 10, 2022, 2:54am UTC](https://community.electricforum.com/t/delta-q-charger-error/24890 "2022-08-10T02:54:07Z")
I recently installed a charger from it Q on a golf cart and when I connected the wires I accidentally touched the green wire to the battery negative, since I had already connected the positive, with that caused a spark a… --- ## [Leaf 62kwh modules](https://community.electricforum.com/t/leaf-62kwh-modules/24826)
**Author:** [@crista\_curtis](https://community.electricforum.com/u/crista_curtis)\ **Replies:** 2\ **Last updated:** [August 3, 2022, 3:01am UTC](https://community.electricforum.com/t/leaf-62kwh-modules/24826 "2022-08-03T03:01:07Z")
i’m trying to figure out how many modules i would need for a 2007 gem. the 62kwh leaf battery comes with 3 module sizes - 27 cell, 21 cell, and 12 cell. it has a total of 288 cells. i have no idea which part of this … --- ## [The Turtle with bars left](https://community.electricforum.com/t/the-turtle-with-bars-left/20111)
**Author:** [@Chet](https://community.electricforum.com/u/Chet)\ **Replies:** 24\ **Last updated:** [July 31, 2022, 7:29am UTC](https://community.electricforum.com/t/the-turtle-with-bars-left/20111 "2022-07-31T07:29:55Z")
I have an e2 with 6 year old gel batteries. Drove to Starbucks about 3 miles on the way home the Turtle came on with 4 green bars still lit. I limped home and charged it up. this morning drove to and from the golf cou… --- ## [Schott to Quickcharge conversion](https://community.electricforum.com/t/schott-to-quickcharge-conversion/19295)
**Author:** [@Hespeler](https://community.electricforum.com/u/Hespeler)\ **Replies:** 9\ **Last updated:** [June 16, 2022, 10:26pm UTC](https://community.electricforum.com/t/schott-to-quickcharge-conversion/19295 "2022-06-16T22:26:16Z")
Has anyone here replaced there old Schott charger to a Quickcharge and if so how hard was it to do ? Thanks Carl --- ## [INWO's drop-in BMS kit for Samsung SDI 22s 94ah li-ion packs](https://community.electricforum.com/t/inwos-drop-in-bms-kit-for-samsung-sdi-22s-94ah-li-ion-packs/23429)
**Author:** [@JarJarJava](https://community.electricforum.com/u/JarJarJava)\ **Replies:** 0\ **Last updated:** [February 3, 2022, 8:25am UTC](https://community.electricforum.com/t/inwos-drop-in-bms-kit-for-samsung-sdi-22s-94ah-li-ion-packs/23429 "2022-02-03T08:25:31Z")
I just installed Dave’s (@Inwo) “drop-in” BMS kit for the Samsung 22s SDI packs on a pack going to another forum member. It’s a super simple install, hardly any tools needed. A little bit of electrical knowledge and a … --- ## [Lithium Lifepo4 charger, 3,2v 10a](https://community.electricforum.com/t/lithium-lifepo4-charger-3-2v-10a/24390)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 1\ **Last updated:** [June 4, 2022, 7:27pm UTC](https://community.electricforum.com/t/lithium-lifepo4-charger-3-2v-10a/24390 "2022-06-04T19:27:11Z")
Lithium Lifepo4 charger, single cell 3.2v. These are 10a fully automatic chargers for a LFP(lifepo4) cell. Perfect for balancing cells. 10a is a big charger and they are hard to find. $55 . 10 available [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=1)