# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=1 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 2 --- ## [Compression requirements for "green" LiFePo4 cells](https://community.electricforum.com/t/compression-requirements-for-green-lifepo4-cells/24149)
**Author:** [@cedwards](https://community.electricforum.com/u/cedwards)\ **Replies:** 5\ **Last updated:** [May 7, 2022, 4:33am UTC](https://community.electricforum.com/t/compression-requirements-for-green-lifepo4-cells/24149 "2022-05-07T04:33:03Z")
I have a qty of Dave’s older OEM “green” cells that I’m finally looking to build some battery packs with. One will be 25s1p (for my old 2002 GEM) and others will be 4s4p for 12V RV applications. Hence my need to “re-co… --- ## [Allied Lithium Batteries](https://community.electricforum.com/t/allied-lithium-batteries/23880)
**Author:** [@jeff95519](https://community.electricforum.com/u/jeff95519)\ **Replies:** 32\ **Last updated:** [April 12, 2022, 10:19pm UTC](https://community.electricforum.com/t/allied-lithium-batteries/23880 "2022-04-12T22:19:48Z")
Has anyone tried Allied Lithium batteries and how many did you need for up to 20 mile range with the Ride-4-Fun motor and controller upgrade with bigger tires and wheels. I have a 2005 E2 with Gel batteries and my range … --- ## [Battery charging rules](https://community.electricforum.com/t/battery-charging-rules/20073)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 2\ **Last updated:** [October 17, 2020, 9:25pm UTC](https://community.electricforum.com/t/battery-charging-rules/20073 "2020-10-17T21:25:14Z")
From random site. Must be true then, right? https://deepcyclebatterystore.com/do-not-use/battery-charge-settings-agm-vs-flooded-vs-gel/ --- ## [Chevy Bolt conversion](https://community.electricforum.com/t/chevy-bolt-conversion/13524)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 142\ **Last updated:** [February 5, 2022, 9:49am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524 "2022-02-05T09:49:43Z")
Hope to bring this into the open forum. A member is converting to Chevy Bolt batteries. So far Bolt batteries are rare, however they overcome some of the drawbacks of Volt for Gem. 2 x 10s modules should fit easily. A… --- ## [New app for JK bms and balancers](https://community.electricforum.com/t/new-app-for-jk-bms-and-balancers/21831)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 3\ **Last updated:** [January 31, 2022, 2:19am UTC](https://community.electricforum.com/t/new-app-for-jk-bms-and-balancers/21831 "2022-01-31T02:19:31Z")
app download in this link : http://qr17.cn/BApbC0 Bluetooth connection password 1234 Parameter setting password 123456 JK BMS manual or protocols download in this link : http://mysharegadget.com/106192903 --- ## [How "Unlock Connector" feature is implemented](https://community.electricforum.com/t/how-unlock-connector-feature-is-implemented/22815)
**Author:** [@Pavel\_47](https://community.electricforum.com/u/Pavel_47)\ **Replies:** 0\ **Last updated:** [November 3, 2021, 2:24pm UTC](https://community.electricforum.com/t/how-unlock-connector-feature-is-implemented/22815 "2021-11-03T14:24:11Z")
Hello, In the OCPP specification there is “Unlock Connector”. How it works ? I suppose that upon receiving the “Unlock Connector” command through OCPP, a charger should send a command to the connector through the CAN … --- ## [Delta-Q 1500 Charger Problem](https://community.electricforum.com/t/delta-q-1500-charger-problem/22621)
**Author:** [@christopherbpowers](https://community.electricforum.com/u/christopherbpowers)\ **Replies:** 2\ **Last updated:** [October 10, 2021, 8:20pm UTC](https://community.electricforum.com/t/delta-q-1500-charger-problem/22621 "2021-10-10T20:20:09Z")
I have a Delta-Q 1500 charger. I just bought the golf cart used, and the charger came with it. Upon power up, the only light that comes on is the AC indicator. No other lights come on, hence, the self-test cycle does not… --- ## [Ford Think Supplier reference](https://community.electricforum.com/t/ford-think-supplier-reference/19189)
**Author:** [@4thinker](https://community.electricforum.com/u/4thinker)\ **Replies:** 1\ **Last updated:** [October 8, 2021, 11:18pm UTC](https://community.electricforum.com/t/ford-think-supplier-reference/19189 "2021-10-08T23:18:26Z")
When I purchased my Think 10 months ago, I came to realize that it had 5 AGM mismatched batteries and 1 flooded battery. The charger was original and never replaced. David\_Illingworth led me through diagnosing that the c… --- ## [Chevy Spark / Volt Conversion](https://community.electricforum.com/t/chevy-spark-volt-conversion/14688)
**Author:** [@David\_Illingworth](https://community.electricforum.com/u/David_Illingworth)\ **Replies:** 31\ **Last updated:** [September 5, 2021, 5:31pm UTC](https://community.electricforum.com/t/chevy-spark-volt-conversion/14688 "2021-09-05T17:31:17Z")
Decided to document my conversion in the hopes it will help someone in the future. I have a 72 volt 2002 Ford Think that I’m installing three 16s Chevy Spark batteries into. Chevy Volt batteries are similar. Gem’s are a… --- ## [Tesla3 20s build](https://community.electricforum.com/t/tesla3-20s-build/21699)
**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\ **Replies:** 20\ **Last updated:** [August 17, 2021, 12:22pm UTC](https://community.electricforum.com/t/tesla3-20s-build/21699 "2021-08-17T12:22:26Z")
Just getting started. Cells are mapped and discharge jig is draining the unwanted bricks. 2 in this case as it needs 5 bricks removed from the middle. My last Tesla3 module and it’s sold. These make great Gem batteries… --- ## [Xtreme Green Bad BMS Board](https://community.electricforum.com/t/xtreme-green-bad-bms-board/22044)
**Author:** [@ChiCruiser](https://community.electricforum.com/u/ChiCruiser)\ **Replies:** 1\ **Last updated:** [August 1, 2021, 7:57pm UTC](https://community.electricforum.com/t/xtreme-green-bad-bms-board/22044 "2021-08-01T19:57:14Z")
I have an Xtreme Green electric UTV that my onboard TC Charger ( TCCH-H114-14) stopped charging. Would flash green/red code which means battery disconnected. We found that one battery (100 ah CALB) had shorted and melted… --- ## [Problem with Bms](https://community.electricforum.com/t/problem-with-bms/15629)
**Author:** [@Carlos](https://community.electricforum.com/u/Carlos)\ **Replies:** 1\ **Last updated:** [June 21, 2021, 8:06am UTC](https://community.electricforum.com/t/problem-with-bms/15629 "2021-06-21T08:06:50Z")
Good morning. I have a problem and I am not able to solve it. My problem is the following and I would appreciate any help. I have a bms Chargery 24s When I connect it to the 24 cells, they all give me the correct val… --- ## [Delta-q with 6 pin deutsch connector](https://community.electricforum.com/t/delta-q-with-6-pin-deutsch-connector/21460)
**Author:** [@Evigh](https://community.electricforum.com/u/Evigh)\ **Replies:** 1\ **Last updated:** [May 14, 2021, 10:35am UTC](https://community.electricforum.com/t/delta-q-with-6-pin-deutsch-connector/21460 "2021-05-14T10:35:17Z")
Hi. I have a delta-q Quiq charger 912-4800-01 modell. But instead of the regular 8 pin deutsch contact for battery temp it has a 6 pin one. The cabels I have found out is that the Brown is connected to battery negative… --- ## [2013 Gem e6 gel or deep cycle battery?](https://community.electricforum.com/t/2013-gem-e6-gel-or-deep-cycle-battery/21064)
**Author:** [@2013Gem](https://community.electricforum.com/u/2013Gem)\ **Replies:** 3\ **Last updated:** [March 25, 2021, 1:17pm UTC](https://community.electricforum.com/t/2013-gem-e6-gel-or-deep-cycle-battery/21064 "2021-03-25T13:17:24Z")
Good morning from a new e6 owner. Purchasing on Thursday and it is without batteries. I have read threads here and talking with the seller and it appears I would be able to run either the original gel batteries or a de… --- ## [Converting 48v battery riding mower to li-ion batteries](https://community.electricforum.com/t/converting-48v-battery-riding-mower-to-li-ion-batteries/13441)
**Author:** [@mikbee](https://community.electricforum.com/u/mikbee)\ **Replies:** 33\ **Last updated:** [March 11, 2021, 9:33pm UTC](https://community.electricforum.com/t/converting-48v-battery-riding-mower-to-li-ion-batteries/13441 "2021-03-11T21:33:26Z")
I have 3 Hustler Zeon all electric zero turn mowers that I want to convert to li-ion batteries. I’m mechanically savvy BUT all the options and specs make my brain smoke…The mower uses 4 trojan 12v 31xhs batteries. I assu… --- ## [Some spanish content related to battery contruction](https://community.electricforum.com/t/some-spanish-content-related-to-battery-contruction/20957)
**Author:** [@FerFury](https://community.electricforum.com/u/FerFury)\ **Replies:** 0\ **Last updated:** [March 6, 2021, 4:07pm UTC](https://community.electricforum.com/t/some-spanish-content-related-to-battery-contruction/20957 "2021-03-06T16:07:44Z")
Hi everybody! i left a video about me building a battery, --- ## [My Ford Think went totally dead for no reason](https://community.electricforum.com/t/my-ford-think-went-totally-dead-for-no-reason/20868)
**Author:** [@Oscar](https://community.electricforum.com/u/Oscar)\ **Replies:** 3\ **Last updated:** [February 22, 2021, 3:04pm UTC](https://community.electricforum.com/t/my-ford-think-went-totally-dead-for-no-reason/20868 "2021-02-22T15:04:25Z")
After successful trial my Ford Think Neighbor is totally dead, no sure what to do. Where is the best location to check it the battery charger is working? --- ## [Charger issues/ interlock?](https://community.electricforum.com/t/charger-issues-interlock/20495)
**Author:** [@Ecocart](https://community.electricforum.com/u/Ecocart)\ **Replies:** 8\ **Last updated:** [January 27, 2021, 2:13am UTC](https://community.electricforum.com/t/charger-issues-interlock/20495 "2021-01-27T02:13:39Z")
I have a 2015 gem . Batteries were dusted , changed with same gel batts. New main fuse, and rebuilt charger by fsip. Charger will not come in with any lights . Has 120 volts to it . I can turn cart on even while cord is … --- ## [Ng1 broke down on me](https://community.electricforum.com/t/ng1-broke-down-on-me/12553)
**Author:** [@Samson](https://community.electricforum.com/u/Samson)\ **Replies:** 17\ **Last updated:** [December 4, 2020, 3:57am UTC](https://community.electricforum.com/t/ng1-broke-down-on-me/12553 "2020-12-04T03:57:22Z")
Hey guys I need to replace my zivan ng1 charger any suggestions? I would like it to be an easy change --- ## [2007 Revai with no battery - can we add battery?](https://community.electricforum.com/t/2007-revai-with-no-battery-can-we-add-battery/20210)
**Author:** [@aum](https://community.electricforum.com/u/aum)\ **Replies:** 0\ **Last updated:** [November 6, 2020, 3:52pm UTC](https://community.electricforum.com/t/2007-revai-with-no-battery-can-we-add-battery/20210 "2020-11-06T15:52:57Z")
I am planning to buy an 2007 Revai car which does not have battery. Is it feasible to buy it and install new battery? I am a newbie and not sure what options I have. Can someone throw some light whether a) Do we have a… --- ## [MK Gel 12v for 2000 E4 GEM?](https://community.electricforum.com/t/mk-gel-12v-for-2000-e4-gem/5362)
**Author:** [@HawkGuy](https://community.electricforum.com/u/HawkGuy)\ **Replies:** 5\ **Last updated:** [October 6, 2020, 4:03am UTC](https://community.electricforum.com/t/mk-gel-12v-for-2000-e4-gem/5362 "2020-10-06T04:03:39Z")
I'm looking at potentially buying a 2000 GEM E824 4 seater NEV. It currently has MK Gel 12v batteries in it that I'm being told are only 3 years old with only around 500 miles on them. It is a street legal unit that has … --- ## [Zivan NG1 F4HEY5 - 021101](https://community.electricforum.com/t/zivan-ng1-f4hey5-021101/19761)
**Author:** [@TommyL](https://community.electricforum.com/u/TommyL)\ **Replies:** 4\ **Last updated:** [September 2, 2020, 2:11pm UTC](https://community.electricforum.com/t/zivan-ng1-f4hey5-021101/19761 "2020-09-02T14:11:48Z")
Does anyone know what charge profile I have??? IM 12A U1 85.32v I1 10A UM 97.2V I2 : 2.6A Zivan NG1 F4HEY5 - 021101 --- ## [Citicar: Modern Charger Options](https://community.electricforum.com/t/citicar-modern-charger-options/19015)
**Author:** [@trymes](https://community.electricforum.com/u/trymes)\ **Replies:** 17\ **Last updated:** [August 19, 2020, 4:52pm UTC](https://community.electricforum.com/t/citicar-modern-charger-options/19015 "2020-08-19T16:52:02Z")
I have recently acquired a 1975 CitiCar, and I’m looking to replace the original charger. The car has eight 6V lead-acid batteries wired in series for 48V total. Ideally, I’d like to be able to charge using J1772 and … --- ## [Change charge algorithm](https://community.electricforum.com/t/change-charge-algorithm/19538)
**Author:** [@Tariq\_Jarrar](https://community.electricforum.com/u/Tariq_Jarrar)\ **Replies:** 1\ **Last updated:** [August 2, 2020, 10:45pm UTC](https://community.electricforum.com/t/change-charge-algorithm/19538 "2020-08-02T22:45:11Z")
hello ! whats the benefits of changing it? (faster charge time?) i have gel-31 batteries , i think the right number of blinks for it should be 6?(as i saw in manual) --- ## [will my scooter explode ](https://community.electricforum.com/t/will-my-scooter-explode/19406)
**Author:** [@gav](https://community.electricforum.com/u/gav)\ **Replies:** 0\ **Last updated:** [July 19, 2020, 12:28pm UTC](https://community.electricforum.com/t/will-my-scooter-explode/19406 "2020-07-19T12:28:26Z")
Hi I am a young disabled man and use a Zappy electric scooter it has a 350w brushless motor and 3 12v 12ah lead batteries inside. I want to double the distance It can accomplish from one charge which is around 25km ,… --- ## [Chevy Bolt Cells for EV](https://community.electricforum.com/t/chevy-bolt-cells-for-ev/19255)
**Author:** [@Tony\_399](https://community.electricforum.com/u/Tony_399)\ **Replies:** 6\ **Last updated:** [July 16, 2020, 4:12pm UTC](https://community.electricforum.com/t/chevy-bolt-cells-for-ev/19255 "2020-07-16T16:12:16Z")
I have stumbled upon a new Chevy Bolt type cells that I intend to use for my 1980 Comuta-car and I need advice for a BMS and Charger combo. I purchased (2) 24V LG Lithium-Ion Packs, 7s3p 4.15kWh Chevy Bolt EV to create … --- ## [Tesla model 3 battery](https://community.electricforum.com/t/tesla-model-3-battery/19300)
**Author:** [@Avi](https://community.electricforum.com/u/Avi)\ **Replies:** 7\ **Last updated:** [July 10, 2020, 12:06pm UTC](https://community.electricforum.com/t/tesla-model-3-battery/19300 "2020-07-10T12:06:44Z")
Hi interesting by the tesla model 3 battery and need some information about or Other suggestions Did they have a bms built in ? I have a boat project and plan to connect 2 module model 3 Battery in parallel so I can… --- ## [Cableholder for garage](https://community.electricforum.com/t/cableholder-for-garage/19236)
**Author:** [@f4eru](https://community.electricforum.com/u/f4eru)\ **Replies:** 1\ **Last updated:** [July 2, 2020, 4:47am UTC](https://community.electricforum.com/t/cableholder-for-garage/19236 "2020-07-02T04:47:29Z")
Hello all To avoid damaging your cable on the floor at home I finally restarted my Kickstarter, with a more achievable limit :slight\_smile: --- ## [Aftermarket Fast Charging Solution](https://community.electricforum.com/t/aftermarket-fast-charging-solution/19194)
**Author:** [@MarketingMaestros](https://community.electricforum.com/u/MarketingMaestros)\ **Replies:** 0\ **Last updated:** [June 28, 2020, 8:34pm UTC](https://community.electricforum.com/t/aftermarket-fast-charging-solution/19194 "2020-06-28T20:34:09Z")
Are aftermarket BMS/fast charging solutions worth it and why? --- ## [SteerIng column wiring](https://community.electricforum.com/t/steering-column-wiring/19027)
**Author:** [@Trsinmn](https://community.electricforum.com/u/Trsinmn)\ **Replies:** 1\ **Last updated:** [June 13, 2020, 3:54pm UTC](https://community.electricforum.com/t/steering-column-wiring/19027 "2020-06-13T15:54:23Z")
I purchased a 2002 gem 825. It appears that the wires for the fwd/rev, turf/road and wiper switch have been disconnected. Can anyone tell me the wiring pattern for each switch . [Previous page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md) [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=2)