# Battery & Chargers **URL:** https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=14 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 15 --- ## [Can you help me?](https://community.electricforum.com/t/can-you-help-me/2277)
**Author:** [@AleaAustin](https://community.electricforum.com/u/AleaAustin)\ **Replies:** 1\ **Last updated:** [October 26, 2012, 10:21am UTC](https://community.electricforum.com/t/can-you-help-me/2277 "2012-10-26T10:21:51Z")
I just want to know that what is the best speed that I drive my electric vehicle to get maximum millage as respective to the charging batteries.? --- ## [Hot gas = lost $$$](https://community.electricforum.com/t/hot-gas-lost/591)
**Author:** [@SerpaDesigns](https://community.electricforum.com/u/SerpaDesigns)\ **Replies:** 4\ **Last updated:** [October 25, 2012, 3:09pm UTC](https://community.electricforum.com/t/hot-gas-lost/591 "2012-10-25T15:09:08Z")
How much do you lose due to the gasoline expansion factor? Click here to find out: www.afteroilev.com/gastemp.php Example: In California the average underground fuel tank temperature is 74.7 degrees F. The gasoli… --- ## [New Liquid Metal Battery - A New Solution?](https://community.electricforum.com/t/new-liquid-metal-battery-a-new-solution/2783)
**Author:** [@LuvMyTJ](https://community.electricforum.com/u/LuvMyTJ)\ **Replies:** 1\ **Last updated:** [October 23, 2012, 11:16am UTC](https://community.electricforum.com/t/new-liquid-metal-battery-a-new-solution/2783 "2012-10-23T11:16:38Z")
Did anyone else catch the Stephen Colbert Show yesterday (10-22-12)? He had as a guest \[ame="http://www.ted.com/talks/donald\_sadoway\_the\_missing\_link\_to\_renewable\_energy.html"\]\[B\]Donald Sadoway\[/B\]\[/ame\] who created Ambr… --- ## [ThunderSky Batteries](https://community.electricforum.com/t/thundersky-batteries/2204)
**Author:** [@MrSparks](https://community.electricforum.com/u/MrSparks)\ **Replies:** 2\ **Last updated:** [August 26, 2012, 9:47am UTC](https://community.electricforum.com/t/thundersky-batteries/2204 "2012-08-26T09:47:02Z")
Hi Folks! I have been working on a few electric scooters for a local bike shop that are having a few issues. There is a large variation in the range between brand new identical scooters. Also there have been cell failu… --- ## [Japanese Gas Stations Get Into EV Charging](https://community.electricforum.com/t/japanese-gas-stations-get-into-ev-charging/2602)
**Author:** [@TJackrel](https://community.electricforum.com/u/TJackrel)\ **Replies:** 1\ **Last updated:** [August 6, 2012, 8:42pm UTC](https://community.electricforum.com/t/japanese-gas-stations-get-into-ev-charging/2602 "2012-08-06T20:42:40Z")
It’s a move with possible global implications – gas stations also serving as electric vehicle charging stations. Japanese gas companies Cosmo Oil, Idemitsu Kosan, JX Nippon Oil and Showa Shell Sekiyu KK will install … --- ## [Gem 2000](https://community.electricforum.com/t/gem-2000/2571)
**Author:** [@eurgil](https://community.electricforum.com/u/eurgil)\ **Replies:** 1\ **Last updated:** [June 26, 2012, 8:46am UTC](https://community.electricforum.com/t/gem-2000/2571 "2012-06-26T08:46:56Z")
Recently bought a used 2000 gem car. Love it, but, have already had a few issues, oh well. New one, I plug in and I get beeping, unplug and plug back in and sometimes it will stop and start charging and sometimes it k… --- ## [New Miles per $ metric](https://community.electricforum.com/t/new-miles-per-metric/946)
**Author:** [@SerpaDesigns](https://community.electricforum.com/u/SerpaDesigns)\ **Replies:** 3\ **Last updated:** [June 22, 2012, 2:41am UTC](https://community.electricforum.com/t/new-miles-per-metric/946 "2012-06-22T02:41:53Z")
To further understand how much it costs to operate a vehicle, a miles per $ (Mp$) metric is needed. Unlike 'Cost per Mile', Mp$ is like MPG, the higher the better. Check out the calculator here. --- ## [How Would You Like To Make Some Money From Your EV Charging Station?](https://community.electricforum.com/t/how-would-you-like-to-make-some-money-from-your-ev-charging-station/2588)
**Author:** [@TJackrel](https://community.electricforum.com/u/TJackrel)\ **Replies:** 0\ **Last updated:** [June 12, 2012, 6:22am UTC](https://community.electricforum.com/t/how-would-you-like-to-make-some-money-from-your-ev-charging-station/2588 "2012-06-12T06:22:05Z")
Sounds like a great idea, doesn’t it? Especially since, according to the US Department Of Energy, only about one-third of the 9000 electric vehicle chargers currently in operation are accessible to the public. While… --- ## [Panasonic Ev 95 help](https://community.electricforum.com/t/panasonic-ev-95-help/954)
**Author:** [@NewIdeaz](https://community.electricforum.com/u/NewIdeaz)\ **Replies:** 7\ **Last updated:** [June 11, 2012, 11:01pm UTC](https://community.electricforum.com/t/panasonic-ev-95-help/954 "2012-06-11T23:01:15Z")
I want to use the panasonic ev 95 nimh batterries , and it seems like a lot of people use them but I can not find a place to buy them, I searched but still nothing, any help would be appreciated thanks. --- ## [Chargers 24V,48V,36V,72V,84V,96V,120V,144V~420Vetc.,](https://community.electricforum.com/t/chargers-24v-48v-36v-72v-84v-96v-120v-144v-420vetc/1461)
**Author:** [@crisbush2go](https://community.electricforum.com/u/crisbush2go)\ **Replies:** 5\ **Last updated:** [May 26, 2012, 6:58am UTC](https://community.electricforum.com/t/chargers-24v-48v-36v-72v-84v-96v-120v-144v-420vetc/1461 "2012-05-26T06:58:20Z")
e oakley sunglasses, Louis vuitton sun shades, gucci shades,Stilettos, duplicate louis vuitton sun shades, raincoat shades and thus about, in the event you need a bit faster contacts with us,Flat! But now along with a… --- ## [Venice Charging Stations Remain Unplugged](https://community.electricforum.com/t/venice-charging-stations-remain-unplugged/2560)
**Author:** [@TJackrel](https://community.electricforum.com/u/TJackrel)\ **Replies:** 0\ **Last updated:** [May 25, 2012, 9:08am UTC](https://community.electricforum.com/t/venice-charging-stations-remain-unplugged/2560 "2012-05-25T09:08:54Z")
The Herald-Tribune reported on April 15, 2012 that in Venice, Florida two recently installed electric vehicle charging stations remain unplugged while authorities figure out what and how to charge users. Unlike the nea… --- ## [J1772 Charging receptacle for Public Charge](https://community.electricforum.com/t/j1772-charging-receptacle-for-public-charge/2459)
**Author:** [@evnut](https://community.electricforum.com/u/evnut)\ **Replies:** 0\ **Last updated:** [April 29, 2012, 5:52pm UTC](https://community.electricforum.com/t/j1772-charging-receptacle-for-public-charge/2459 "2012-04-29T17:52:09Z")
I thought some would be interested in knowing that a EV should have a J1772 charging recepticle in the fuel door instead of a 110/220 vac plug for home use. The J1772 should be available with security at a public chargin… --- ## [Ammeter](https://community.electricforum.com/t/ammeter/2374)
**Author:** [@Ammeter](https://community.electricforum.com/u/Ammeter)\ **Replies:** 1\ **Last updated:** [April 29, 2012, 5:36pm UTC](https://community.electricforum.com/t/ammeter/2374 "2012-04-29T17:36:13Z")
Hi everyone! I am not building an electric car but I am planning on installing an ammeter into my car (05 Camry). I would like to monitor the current since I have a lot of accessories. I understand the basics of h… --- ## [Delta Q Charger?](https://community.electricforum.com/t/delta-q-charger/1654)
**Author:** [@DMax](https://community.electricforum.com/u/DMax)\ **Replies:** 1\ **Last updated:** [April 29, 2012, 5:33pm UTC](https://community.electricforum.com/t/delta-q-charger/1654 "2012-04-29T17:33:49Z")
I have a 2005 Gem E4 with the original Gel batteries with the Delta Q charger.Can this charger also charge the AGM batteries? --- ## [Power storage help](https://community.electricforum.com/t/power-storage-help/2396)
**Author:** [@leroy22](https://community.electricforum.com/u/leroy22)\ **Replies:** 1\ **Last updated:** [April 22, 2012, 8:12am UTC](https://community.electricforum.com/t/power-storage-help/2396 "2012-04-22T08:12:06Z")
i am trying to make a 5000 btu airconditioner work with batteries and a inverter in an rv and have some questions. i have 2 regular acid car batteries, both 1000 cranking amps or better connected in series, i have a 3000… --- ## [Multiple battery charging](https://community.electricforum.com/t/multiple-battery-charging/2400)
**Author:** [@leroy22](https://community.electricforum.com/u/leroy22)\ **Replies:** 0\ **Last updated:** [April 21, 2012, 3:16pm UTC](https://community.electricforum.com/t/multiple-battery-charging/2400 "2012-04-21T15:16:39Z")
i have 2 batteries in series. can i leave the neg on both batteries and seperate the pos and charge both at same time with one charger? if not can i leave the neg conected and seperate pos and charge each batery,not at… --- ## [Chargeing?](https://community.electricforum.com/t/chargeing/2399)
**Author:** [@leroy22](https://community.electricforum.com/u/leroy22)\ **Replies:** 0\ **Last updated:** [April 21, 2012, 11:42am UTC](https://community.electricforum.com/t/chargeing/2399 "2012-04-21T11:42:26Z")
i read that a 12volt led acid car battery is around14.4 volts when fully charged and its bad to not bring a battery all the way up. I have 2 chargers that both only put out 12.2 volts. 1- 6 amp other 10. My question is … --- ## [2002 Used Gem Car issues](https://community.electricforum.com/t/2002-used-gem-car-issues/1521)
**Author:** [@wkennedy74](https://community.electricforum.com/u/wkennedy74)\ **Replies:** 4\ **Last updated:** [April 18, 2012, 10:52pm UTC](https://community.electricforum.com/t/2002-used-gem-car-issues/1521 "2012-04-18T22:52:17Z")
We bought a used 2002 4 seater and we have 2 minor issues so far. The tail lights are out, but when you use the brake they work... has a box heater, the fan works, but the heating element does not get hot. Just ne… --- ## [Less maintenance for Wet Cell Lead Acids](https://community.electricforum.com/t/less-maintenance-for-wet-cell-lead-acids/710)
**Author:** [@polygonfla](https://community.electricforum.com/u/polygonfla)\ **Replies:** 2\ **Last updated:** [April 15, 2012, 11:10pm UTC](https://community.electricforum.com/t/less-maintenance-for-wet-cell-lead-acids/710 "2012-04-15T23:10:41Z")
Safely reduce battery maintenance! Well maybe sometimes… I’m talking about Hydrocaps and Water Miser caps for your batteries. First let’s talk about Water Misers. They retail for $4 to $8 for a pack of 6. They help k… --- ## [GEM 2003 Break Lights?](https://community.electricforum.com/t/gem-2003-break-lights/2373)
**Author:** [@wgeier](https://community.electricforum.com/u/wgeier)\ **Replies:** 0\ **Last updated:** [April 14, 2012, 7:11pm UTC](https://community.electricforum.com/t/gem-2003-break-lights/2373 "2012-04-14T19:11:17Z")
We just bought a Used Gem 2003, works great but we have no break lights. Can someone point us in the right direction on how to fix this?? Looked in the owners manual, but don't see anything specific to fix problem. Tha… --- ## [2001 e825 fully recharged batteries won't take new charge from cord](https://community.electricforum.com/t/2001-e825-fully-recharged-batteries-wont-take-new-charge-from-cord/2349)
**Author:** [@kkiddlish](https://community.electricforum.com/u/kkiddlish)\ **Replies:** 0\ **Last updated:** [April 12, 2012, 11:18am UTC](https://community.electricforum.com/t/2001-e825-fully-recharged-batteries-wont-take-new-charge-from-cord/2349 "2012-04-12T11:18:13Z")
My GEM sat too long waiting for brake part . We jumped all batteries to 100%. I used the car for the first time since then and now( @ 90%) batteries won't take a charge when plugged in. There is a be-ber be-ber sound. … --- ## [How much CO2 does your car emit?](https://community.electricforum.com/t/how-much-co2-does-your-car-emit/566)
**Author:** [@SerpaDesigns](https://community.electricforum.com/u/SerpaDesigns)\ **Replies:** 5\ **Last updated:** [April 9, 2012, 10:37pm UTC](https://community.electricforum.com/t/how-much-co2-does-your-car-emit/566 "2012-04-09T22:37:15Z")
Check out the new CO2 emissions calculator at www.AfterOilEV.com/emissions.php Features: Diesel 22.58 lbs /gal CO2 Gasoline 19.29 lbs /gal CO2 E-85 13.69 lbs /gal CO2 Ethanol 12.64 lbs /gal CO2 Ele… --- ## [Clipper creek charger for sale](https://community.electricforum.com/t/clipper-creek-charger-for-sale/2297)
**Author:** [@philklemmer](https://community.electricforum.com/u/philklemmer)\ **Replies:** 0\ **Last updated:** [April 7, 2012, 7:07pm UTC](https://community.electricforum.com/t/clipper-creek-charger-for-sale/2297 "2012-04-07T19:07:57Z")
Part of electric Mini pilot program. DS-100 model. Used for one year. $500. Avail for pick up in Los Angeles. Email philklemmer@mac.com --- ## [GEM and Miles Car Maintenance](https://community.electricforum.com/t/gem-and-miles-car-maintenance/1258)
**Author:** [@jvalntn](https://community.electricforum.com/u/jvalntn)\ **Replies:** 6\ **Last updated:** [April 5, 2012, 10:54pm UTC](https://community.electricforum.com/t/gem-and-miles-car-maintenance/1258 "2012-04-05T22:54:56Z")
Hello, I work at a public park in New York City where we currently have 4 GEM electric cars and 2 Miles electric cars in operation. Unfortunately, however, they need maintenance every so often and noone on site is real… --- ## [Battery Desulfators](https://community.electricforum.com/t/battery-desulfators/802)
**Author:** [@noisome](https://community.electricforum.com/u/noisome)\ **Replies:** 6\ **Last updated:** [March 31, 2012, 5:57am UTC](https://community.electricforum.com/t/battery-desulfators/802 "2012-03-31T05:57:18Z")
Has anyone used battery desulfators on his or her batteries? Would they keep EV batteries running better for longer (as I've seen they get about 50-100% longer life) or would this hinder the charge/discharge rates? A… --- ## [Cos(phi) at charging](https://community.electricforum.com/t/cos-phi-at-charging/2176)
**Author:** [@Shimonariev](https://community.electricforum.com/u/Shimonariev)\ **Replies:** 0\ **Last updated:** [March 23, 2012, 2:03am UTC](https://community.electricforum.com/t/cos-phi-at-charging/2176 "2012-03-23T02:03:12Z")
Hello all :yo: I\`m new at this forum and this field... Today I work on a project that involve planning of a electrical grid to feed charging station of electrical vehicles :slight\_smile: I stady this field very hard and … --- ## [Please advice on charger for vacation rental](https://community.electricforum.com/t/please-advice-on-charger-for-vacation-rental/1815)
**Author:** [@weslapp](https://community.electricforum.com/u/weslapp)\ **Replies:** 1\ **Last updated:** [March 8, 2012, 7:32am UTC](https://community.electricforum.com/t/please-advice-on-charger-for-vacation-rental/1815 "2012-03-08T07:32:24Z")
Hi, I am having a new electric panel installed in our vacation rental and would like to run a line and connection that renters could use for charging their electric cars. Our rental is about 1 hour from Portland Orego… --- ## [Comparing LifePO4 battery with Lead-acid](https://community.electricforum.com/t/comparing-lifepo4-battery-with-lead-acid/1349)
**Author:** [@Julie11](https://community.electricforum.com/u/Julie11)\ **Replies:** 3\ **Last updated:** [March 6, 2012, 9:48pm UTC](https://community.electricforum.com/t/comparing-lifepo4-battery-with-lead-acid/1349 "2012-03-06T21:48:51Z")
Hi, Welcome you to stay here for a while time.As public known,LifePO4 battery may become a substitute for Lead-acid battery in the near future.Now let us make a comparison between the LifePO4 battery and Lead-acid batter… --- ## [Thundersky 12v Lifepo4 batteries review](https://community.electricforum.com/t/thundersky-12v-lifepo4-batteries-review/1759)
**Author:** [@Microcar\_Tom](https://community.electricforum.com/u/Microcar_Tom)\ **Replies:** 1\ **Last updated:** [March 6, 2012, 9:42pm UTC](https://community.electricforum.com/t/thundersky-12v-lifepo4-batteries-review/1759 "2012-03-06T21:42:00Z")
I am thinking of using 4 of the 60ah or 90ah Lifepo4 batteries to make a 48v power pack to run a small light weight EV , before I part with some hard earned cash has any one had any experience of these batteries with reg… --- ## [Will our Gem charge itself all winter?](https://community.electricforum.com/t/will-our-gem-charge-itself-all-winter/1945)
**Author:** [@Revi](https://community.electricforum.com/u/Revi)\ **Replies:** 0\ **Last updated:** [January 30, 2012, 6:07am UTC](https://community.electricforum.com/t/will-our-gem-charge-itself-all-winter/1945 "2012-01-30T06:07:05Z")
We drive a 2005 gem E2 with new gel batteries. We put it to bed for the winter and were wondering what we have to do to get it to charge itself every 14 days? Does it have to be in the off mode? We keep unplugging and… [Previous page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=13) [Next page](https://community.electricforum.com/c/engines-batteries-and-charging-systems/67.md?page=15)