# Battery & Chargers

**URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=3

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**Page:** 4

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## [Delta q and lithium](https://community.electricforum.com/t/delta-q-and-lithium/14168)

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**Author:** [@Jb0389](https://community.electricforum.com/u/Jb0389)\
**Replies:** 9\
**Last updated:** [April 4, 2019, 4:38pm UTC](https://community.electricforum.com/t/delta-q-and-lithium/14168 "2019-04-04T16:38:18Z")

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Any way to tell if this delta q is programmable for lithium? Seems like the sticker with the important number is missing. Came from a 2006 gem e6

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## [New guy  building electric wagon](https://community.electricforum.com/t/new-guy-building-electric-wagon/15760)

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**Author:** [@ram48](https://community.electricforum.com/u/ram48)\
**Replies:** 1\
**Last updated:** [April 2, 2019, 9:53pm UTC](https://community.electricforum.com/t/new-guy-building-electric-wagon/15760 "2019-04-02T21:53:19Z")

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I have an old mobility scooter that I am using the elictronics from to try and build a powered wagon to haul stuff to and from Ballgames. My question is the scooter was powered by two ub12350 batteries in Parallel I woul…

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## [Battery backpack for string trimmer, blowers, etc](https://community.electricforum.com/t/battery-backpack-for-string-trimmer-blowers-etc/14380)

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**Author:** [@diymatt](https://community.electricforum.com/u/diymatt)\
**Replies:** 2\
**Last updated:** [February 14, 2019, 5:51am UTC](https://community.electricforum.com/t/battery-backpack-for-string-trimmer-blowers-etc/14380 "2019-02-14T05:51:31Z")

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Stihl, EGO, Husq and maybe one or two others make battery backpacks that plug into your existing battery powered yard tools to extend the run times. Costs range from $150(you bring your own batteries) to $1k(they bring …

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## [Dicharge test on a 72v pack of group 31 Gel batteries](https://community.electricforum.com/t/dicharge-test-on-a-72v-pack-of-group-31-gel-batteries/15394)

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**Author:** [@cleanvehiclesgb](https://community.electricforum.com/u/cleanvehiclesgb)\
**Replies:** 2\
**Last updated:** [February 8, 2019, 7:48pm UTC](https://community.electricforum.com/t/dicharge-test-on-a-72v-pack-of-group-31-gel-batteries/15394 "2019-02-08T19:48:13Z")

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Recenly installed 6 12v Ultra Power Gel group 31 batteries in a 2009 GEM. Can anyone tell us how many minutes on a Lester 72v discharger you should get out of a new pack of 6 12v group 31 gel batteries? Thank you.

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## [09 Gem E2 Charger Please help!](https://community.electricforum.com/t/09-gem-e2-charger-please-help/15384)

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**Author:** [@4817](https://community.electricforum.com/u/4817)\
**Replies:** 0\
**Last updated:** [February 7, 2019, 2:58am UTC](https://community.electricforum.com/t/09-gem-e2-charger-please-help/15384 "2019-02-07T02:58:41Z")

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Hey guys! Im new on here and I just bought a 09 E2 gem cart that needs work. So its missing all batteries and the charger. SMH \` Where can I get a new 1?? And what type of batteries would be best for this? And does …

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## [The power wheelchair deep circle battery no fully changer ](https://community.electricforum.com/t/the-power-wheelchair-deep-circle-battery-no-fully-changer/15372)

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**Author:** [@adamlao](https://community.electricforum.com/u/adamlao)\
**Replies:** 2\
**Last updated:** [February 5, 2019, 6:34pm UTC](https://community.electricforum.com/t/the-power-wheelchair-deep-circle-battery-no-fully-changer/15372 "2019-02-05T18:34:55Z")

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I have a Q6 power wheelchair with two deep circle battery can only charged to ~22 voltage and the dashboard shown 100% charged. When start move the dashboard shown LOW BATTERY, separately measured the them, one battery …

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## [BMS default settings](https://community.electricforum.com/t/bms-default-settings/15355)

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**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\
**Replies:** 3\
**Last updated:** [February 1, 2019, 4:44pm UTC](https://community.electricforum.com/t/bms-default-settings/15355 "2019-02-01T16:44:59Z")

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## [Measuring the Voltage via Camera](https://community.electricforum.com/t/measuring-the-voltage-via-camera/15227)

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**Author:** [@paul9019](https://community.electricforum.com/u/paul9019)\
**Replies:** 0\
**Last updated:** [January 12, 2019, 2:15pm UTC](https://community.electricforum.com/t/measuring-the-voltage-via-camera/15227 "2019-01-12T14:15:31Z")

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Hello, I am currently working on a drone project. Here is my setup: NavIO 2 Power Distribution Board (PDB) Runcam (camera) FPV I saw a video where you can solder the violett wire of the camera to the red cable (positi…

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## [Detroit Metro Airport Charging Stations](https://community.electricforum.com/t/detroit-metro-airport-charging-stations/15126)

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**Author:** [@DanSimkin](https://community.electricforum.com/u/DanSimkin)\
**Replies:** 0\
**Last updated:** [December 21, 2018, 5:47pm UTC](https://community.electricforum.com/t/detroit-metro-airport-charging-stations/15126 "2018-12-21T17:47:51Z")

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Has anyone used the Level 2 (J1772) ChargePoint charging stations at Detroit Metro Airport? Is it ok to leave my Chevy Bolt plugged in to one of these charging stations while I go on a trip for a week? Are these ch…

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## [Help delta q not shutting off](https://community.electricforum.com/t/help-delta-q-not-shutting-off/15107)

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**Author:** [@Don\_Goll](https://community.electricforum.com/u/Don_Goll)\
**Replies:** 0\
**Last updated:** [December 18, 2018, 2:10pm UTC](https://community.electricforum.com/t/help-delta-q-not-shutting-off/15107 "2018-12-18T14:10:20Z")

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2008 gem. My q powers up at plug in and does it’s self check. Seems to run through the voltage meter while charging. But no 80% or 100% lights ever come on. It was working fine to my knowledge but I came home to a sulfur…

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## [Bms for lithium](https://community.electricforum.com/t/bms-for-lithium/14251)

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**Author:** [@Jb0389](https://community.electricforum.com/u/Jb0389)\
**Replies:** 52\
**Last updated:** [December 16, 2018, 6:38pm UTC](https://community.electricforum.com/t/bms-for-lithium/14251 "2018-12-16T18:38:32Z")

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I’ve been having some issues with charging my Bosch lithium batteries when they are hooked up to bms. Not sure if I have it hooked up correctly. Here is my bms setup ! Here are the batteries. 20s bank charging to 84…

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## [Changed to gel batteries](https://community.electricforum.com/t/changed-to-gel-batteries/15053)

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**Author:** [@greeneyedladi](https://community.electricforum.com/u/greeneyedladi)\
**Replies:** 15\
**Last updated:** [December 12, 2018, 4:45pm UTC](https://community.electricforum.com/t/changed-to-gel-batteries/15053 "2018-12-12T16:45:31Z")

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I have asked this before and I guess no one knows if the setting isn’t right on the charger if the cart will still run with gel batteries , but just not hold a charge , and how to check??

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## [Need to buy a cord to charge do I need a extension cord or a RV cord?](https://community.electricforum.com/t/need-to-buy-a-cord-to-charge-do-i-need-a-extension-cord-or-a-rv-cord/15026)

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**Author:** [@Chris11](https://community.electricforum.com/u/Chris11)\
**Replies:** 6\
**Last updated:** [December 6, 2018, 2:11am UTC](https://community.electricforum.com/t/need-to-buy-a-cord-to-charge-do-i-need-a-extension-cord-or-a-rv-cord/15026 "2018-12-06T02:11:40Z")

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I just bought a 2002 GEM and I need to get a charging cord. I’m not sure what to buy to charge it. I have a regular outlet in my garage to plug it into. Thank You

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## [2012 gem charger not working](https://community.electricforum.com/t/2012-gem-charger-not-working/14858)

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**Author:** [@tazzack](https://community.electricforum.com/u/tazzack)\
**Replies:** 2\
**Last updated:** [November 6, 2018, 9:05am UTC](https://community.electricforum.com/t/2012-gem-charger-not-working/14858 "2018-11-06T09:05:47Z")

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Took gem for ride and plugged in when I returned and no charge. No lights on charger. I checked fuses and all are good. I did alternate charging method to turn charger back on and that did not work.( 3 times ) Anything e…

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## [Battery charging](https://community.electricforum.com/t/battery-charging/14795)

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**Author:** [@Rodwalsh](https://community.electricforum.com/u/Rodwalsh)\
**Replies:** 0\
**Last updated:** [October 25, 2018, 1:23pm UTC](https://community.electricforum.com/t/battery-charging/14795 "2018-10-25T13:23:30Z")

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Can anyone tell me how long the ford think (2002) takes to charge. Mine has been charging 10 hours and I have 3 bars

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## [Charging issue on 2005 Gem eL](https://community.electricforum.com/t/charging-issue-on-2005-gem-el/12970)

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**Author:** [@Gembo](https://community.electricforum.com/u/Gembo)\
**Replies:** 3\
**Last updated:** [October 22, 2018, 7:13pm UTC](https://community.electricforum.com/t/charging-issue-on-2005-gem-el/12970 "2018-10-22T19:13:41Z")

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2005 Gem eL used too when charge cord plugged in . it would show on dash & vehicle wouldnt move.if you tryied to drive it before unplugging cord. Now it will drive when charge cord is plugged in & nothing on dash lights …

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## [08 Hunter 4x4 ev](https://community.electricforum.com/t/08-hunter-4x4-ev/14716)

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**Author:** [@Lynnjames](https://community.electricforum.com/u/Lynnjames)\
**Replies:** 0\
**Last updated:** [October 14, 2018, 6:32pm UTC](https://community.electricforum.com/t/08-hunter-4x4-ev/14716 "2018-10-14T18:32:50Z")

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Hi. I just got this and it wont charge. Any ideas on where to start?

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## [2002 Gem Charging problems](https://community.electricforum.com/t/2002-gem-charging-problems/14649)

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**Author:** [@Tomdaygem](https://community.electricforum.com/u/Tomdaygem)\
**Replies:** 15\
**Last updated:** [October 5, 2018, 1:43am UTC](https://community.electricforum.com/t/2002-gem-charging-problems/14649 "2018-10-05T01:43:50Z")

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I have a 2002 gem which I have owned since new.Never had any problems till now. In 2006 I replaced the Zivian Charger with a Delta Q. I am having problems getting it to charge. I have 6 new Ultra Tran ev 31’s installed…

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## [Zivan Charger Setting Adjustment](https://community.electricforum.com/t/zivan-charger-setting-adjustment/14596)

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**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\
**Replies:** 0\
**Last updated:** [September 23, 2018, 10:16pm UTC](https://community.electricforum.com/t/zivan-charger-setting-adjustment/14596 "2018-09-23T22:16:29Z")

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Where is the Zivan setting identification Letter/Numbers? There is a tiny notch in the adjustment dial. The settings are visible under this notch. A magnifying glass helps. Rodney

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## [Charging rate for deep cycle 12v battery](https://community.electricforum.com/t/charging-rate-for-deep-cycle-12v-battery/14543)

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**Author:** [@msacco](https://community.electricforum.com/u/msacco)\
**Replies:** 7\
**Last updated:** [September 20, 2018, 10:38pm UTC](https://community.electricforum.com/t/charging-rate-for-deep-cycle-12v-battery/14543 "2018-09-20T22:38:30Z")

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I have a 75 AH deep cycle battery(AGM) and I have a battery charger with 2 modes, 5.5A for car, 2A for motorcycle, as far as I remember, lower charging rate is usually better for longer battery life and better charging, …

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## [charging problem on  a 2004 Gem](https://community.electricforum.com/t/charging-problem-on-a-2004-gem/14510)

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**Author:** [@mortonrw](https://community.electricforum.com/u/mortonrw)\
**Replies:** 1\
**Last updated:** [September 10, 2018, 1:34am UTC](https://community.electricforum.com/t/charging-problem-on-a-2004-gem/14510 "2018-09-10T01:34:07Z")

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I really know little more about this e-car than it’s a 2004 Gem 2 seat long bed. It has always been difficult to charge (had to wiggle the extension cord to make a connection). now i can’t get it to charge at all, it onl…

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## [48v LiPoFe4 battery 120ah 6kwh](https://community.electricforum.com/t/48v-lipofe4-battery-120ah-6kwh/14368)

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**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\
**Replies:** 0\
**Last updated:** [August 22, 2018, 2:14pm UTC](https://community.electricforum.com/t/48v-lipofe4-battery-120ah-6kwh/14368 "2018-08-22T14:14:03Z")

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First full battery built for Don’s BadBoy 48v. 4pcs 2p4s. Test charging from bottom balanced 2.7v with no bms/balancer. Random connected cells tested from 71 to 74ah. 10a to start, then switch to 20a. Notice the ban…

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## [05 el battery problem](https://community.electricforum.com/t/05-el-battery-problem/14293)

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**Author:** [@2007lariat](https://community.electricforum.com/u/2007lariat)\
**Replies:** 8\
**Last updated:** [August 19, 2018, 11:39pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293 "2018-08-19T23:39:29Z")

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I just bought an 05 el. The batteries were dead, so I installed 6 new deka gels. Not sure if I wired them in correctly because the charger is giving me 4 red flashes and not charging the batteries. Does someone have a wi…

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## [Delta-Q programmer for sale $150](https://community.electricforum.com/t/delta-q-programmer-for-sale-150/2614)

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**Author:** [@evnut](https://community.electricforum.com/u/evnut)\
**Replies:** 2\
**Last updated:** [August 10, 2018, 11:47am UTC](https://community.electricforum.com/t/delta-q-programmer-for-sale-150/2614 "2018-08-10T11:47:48Z")

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Programmer for changing algorithms and voltages on Delta-Q chargers. A must if changing to Li-ion batteries

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## [Economical Lithium Volts vs Amp hours Calculation](https://community.electricforum.com/t/economical-lithium-volts-vs-amp-hours-calculation/14250)

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**Author:** [@2002](https://community.electricforum.com/u/2002)\
**Replies:** 4\
**Last updated:** [August 9, 2018, 10:43am UTC](https://community.electricforum.com/t/economical-lithium-volts-vs-amp-hours-calculation/14250 "2018-08-09T10:43:45Z")

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From what I recall reading, Watts = Volts X Amps. I am trying to figure out the most cost effective lithium-X module/battery to get/build in any combination that gives me 3,000 watts. I looked around a bit and didn’t se…

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## [Portable 12v 2-3 amper battery](https://community.electricforum.com/t/portable-12v-2-3-amper-battery/14243)

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**Author:** [@msacco](https://community.electricforum.com/u/msacco)\
**Replies:** 4\
**Last updated:** [August 7, 2018, 9:35am UTC](https://community.electricforum.com/t/portable-12v-2-3-amper-battery/14243 "2018-08-07T09:35:49Z")

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Hey, I need a portable battery that will last for a good number of hours(aiming for 12~), the use of the battery is to power a telescope system, which requires 12v 2-3 amps(what I currently need requires 2 amps, but in c…

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## [Simple battery connections](https://community.electricforum.com/t/simple-battery-connections/14216)

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**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\
**Replies:** 6\
**Last updated:** [August 3, 2018, 6:06pm UTC](https://community.electricforum.com/t/simple-battery-connections/14216 "2018-08-03T18:06:14Z")

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Now where does that wire connect again? :slight\_smile:

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## [Harness BMS for 12s+6s+6s](https://community.electricforum.com/t/harness-bms-for-12s-6s-6s/14130)

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**Author:** [@Inwo](https://community.electricforum.com/u/Inwo)\
**Replies:** 0\
**Last updated:** [July 19, 2018, 9:32pm UTC](https://community.electricforum.com/t/harness-bms-for-12s-6s-6s/14130 "2018-07-19T21:32:31Z")

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@diymatt When building any harness, I need to know the battery order. This is my test batteries connected B-^12s^6s^6s^B+ Plugs will be marked B-^blk^blue^red^B+. Even though they are tested here, it’s up to you to…

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## [Delta-Q Charger Remanufacture or Replace with New](https://community.electricforum.com/t/delta-q-charger-remanufacture-or-replace-with-new/12977)

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**Author:** [@RustyGem](https://community.electricforum.com/u/RustyGem)\
**Replies:** 19\
**Last updated:** [July 15, 2018, 3:17pm UTC](https://community.electricforum.com/t/delta-q-charger-remanufacture-or-replace-with-new/12977 "2018-07-15T15:17:02Z")

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I’m another newbie who just acquired a 2005 Gem e4, after it reportedly sat uncharged for two years. After getting it home, I managed to charge the NAPA gel batteries to full strength of at least 12V each. The Delta-Q c…

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## [Cart blowing house breaker](https://community.electricforum.com/t/cart-blowing-house-breaker/14036)

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**Author:** [@jazzer825](https://community.electricforum.com/u/jazzer825)\
**Replies:** 13\
**Last updated:** [July 10, 2018, 1:03am UTC](https://community.electricforum.com/t/cart-blowing-house-breaker/14036 "2018-07-10T01:03:14Z")

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Just purchased a 2000 gem e2. plugged it in to charge for the first time last night. Using a 25’ 10 gauge extension cord plugged into outlet in carport. checked on it this morning and it had popped the breaker at the pan…

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